RT @Helion_Energy: It’s time to fill up our next fusion factory! This time with more conveyor belts and more automation. Introducing Omega…

RT @itsTimWijaya: When I arrived in SF, a YC alum friend took me out to coffee in South Park. He wore a YC jacket. Suddenly, a stranger w…

RT @garrytan: In 2008 I got into YC and immediately found my people When you have nothing and are running from big bureaucracies, finding…

RT @aaron_epstein: Congrats to @simdotai on their series A led by @Standard_Cap! @typingwala and @emkara knew they wanted to build a start…

RT @gormankind: here's the longer story: In 2018 I fell in love with design at @stanforddschool. The discipline of product design is root…

Parametric (@parametricpbc) is deploying intelligent, low-cost robots that do work how you want it, lowering the barrier to entry for businesses to leverage autonomy. Congrats on the launch, @c0dyswain & @jnewsom98! https://t.co/AlQH6MWksW https://t.co/3AcMt6uAg0

Sim (@simdotai) is building the visual, end-to-end agent builder — a platform where developers can design, test, and deploy real AI agents that work in production. Founded earlier this year, Sim grew from a small San Francisco apartment to a community of 60,000 developers and 18,000 GitHub stars, recently raising a $7M Series A. Co-founder & CEO @emkara sat down with YC’s @aaron_epstein to share how they’re building the infrastructure for the agent era, and what it takes to create AI systems that reason, retrieve, and act safely at scale. 00:36 – What Sim Does and Why It Matters 02:05 – From a SF Apartment to 60,000 Devs 04:20 – Finding Early Users and Product-Market Fit 07:05 – Designing an End-to-End Platform for Agents 10:30 – Powering the Open Source Agent Ecosystem 13:25 – Raising a $7M Series A 16:20 – Building Agents That Actually Work 20:10 – The Infrastructure for the Agent Era 23:40 – Advice for Builders in AI

Kaigo Health (@kaigohealth) is building an AI care workforce that looks after Grandma and Grandpa— helping healthcare providers keep patients healthy at home by automating the follow-ups, check-ins, and monitoring that often fall through the cracks. https://t.co/nLD8Eq35CW

RT @Janilokal: YC spotted Groww, Meesho, Razorpay, and Zepto before any big Indian VC, without even having an office here. They’ll likely…

Inspector (@tryinspector) is an AI IDE for front-end that connects browser and codebase. It lets you select elements visually and prompt changes, giving coding agents access to the same runtime context developers have: visuals, elements, and logs. https://t.co/QnTISmnc24

With 15M downloads and 500+ enterprise clients, @Speak has passed $100M in annualized revenue. Users practice speaking 5-10x more on Speak than on other language apps, through AI-powered roleplays & real-world scenarios. https://t.co/j8PQ8Hmxdb

Prox (@try_prox) builds digital co-workers for 3PLs and fulfillment centers - companies that store, pack, and ship for brands. They automate the back-office operations layer that burns billions of labor hours across the industry. https://t.co/RDHVJfPXpV

RT @MultifactorCOM: The Multifactor Challenge is live! Anyone with Multifactor can now use our Checkpoint link to log into our business che…

RT @gustaf: Groww (YC W18) just went public as a $9B company. They are the largest retail stock trading app in India. The won be because…

LogosGuard (@logos_guard) is building the risk management software for enterprises adopting AI. Stress-test your AI products, continuously monitor compliance with your controls, and gain the confidence to deploy AI responsibly. Congrats on the launch, @abelpjohn & @sukrut_oak! https://t.co/R5ubFkgSGn

Why can’t marketing AI help marketers the way coding AI helps software engineers? @HightouchData thinks it can. They just launched Hightouch Agents, an AI platform purpose-built for marketers. It combines full marketing context with pre-built marketing skills, giving marketers the same productivity boost that coding assistants gave engineers. https://t.co/kwhcFxlW1c

Proxis (@proxis_ai) writes and sends emails in your voice. It connects to your inbox + CRM + Notion + Drive + Slack so replies are accurate, on-brand, and auto-sent when confident. Congrats on the launch, @liam_a_collins! https://t.co/7cRpUrXgic https://t.co/9UgGreMPgq

RT @hassaanrza: The interface of the future is human. We’ve raised a $40M Series B from CRV, Scale, Sequoia, and YC to teach machines the…

Multifactor (@MultifactorCOM) is building the future of zero-trust authentication, authorization, and auditing for AI agents. Their platform lets users securely and revocably share any online account with humans and AI agents alike, just by sending a link. https://t.co/V313zcyCFo

RT @snowmaker: Magic Patterns hit $1M ARR with no employees. Here's the story from @alexdanilowicz and @teddarific of how they went from a…

RT @Gedmark: Scaling up manufacturing requires a lot of flight hardware, of course, and also a lot of test equipment that stays in the grou…

Lakonia (@LakoniaTech) is an AI-powered command and control platform for law enforcement and the military. It transcribes radio communications, analyzes them, and then synthesizes information for commanders/dispatchers and operators to act on. https://t.co/0Gha1bn33w Congrats on the launch, @grdysun & @thejustinoh!

RT @resend: Introducing: Inbound by Resend. We started by modernizing the way you send emails. Today, we're making it easy for you to rec…

Congrats to Mecha Health on their $4.1M seed! They’re building next-gen foundation models for healthcare, starting with medical imaging. Mecha Health's systems help radiologists work faster and with greater accuracy, without feeling like they’re doing more work. https://t.co/bSUYgKkf5h

Moss (@usemoss) is the real-time semantic search for conversational AI. By bringing retrieval latency under 10 ms, Moss makes AI conversations feel natural, as fluid and instant as talking to a human. https://t.co/UtnwaJZVNY Congrats on the launch, @srimalireddi & @ImHarshaNalluru!

From dorm rooms to million-dollar companies. You can just do things. And YC can help. Apply to W26 by November 10: https://t.co/gNl84ElBrq https://t.co/IcpiCB1lNo

Unsiloed AI (@UnsiloedHQ) builds APIs to parse multimodal unstructured data like PDFs, PPTs, and images and convert it into LLM-ready formats like markdown and JSON. https://t.co/f4RJStJIcE Congrats on the launch, @__Aman_Mishra & Adnan! https://t.co/wgEvXw8wj7

RT @rachelhuml: https://t.co/h5Rqw4zuBK from @CambioML (YC S23) is your Roomba-with-a-PhD for messy data. It runs on its own virtual deskto…

RT @ellen_x_ai: another hackathon win from solo hacking this weekend thanks @ycombinator @MetorialAi @amiklas I appreciate the digicam!…

Sciloop (@SciloopAI) automates the entire scientific research loop from hypothesis generation to experiment design, execution, analysis, iteration— and drafts real research papers. https://t.co/r1FbEEsymk Congrats on the launch, @bilalasmat04 & @OsmanSiddiquer! https://t.co/Joyoks9w6v

RT @AGrillz: You can now apply to YC's Winter 2026 batch! If you're thinking about starting a company, apply! You can be at any stage.…

RT @adisingh: POV: it's 2am on Halloween night in SF https://t.co/L8EZ7wd19x

Congrats to @Starcloud_Inc1 on the launch of their first satellite, just 21 months from starting the company. This is the first NVIDIA H100 in space and paves the way for huge, solar-powered orbital data centers. https://t.co/ROxgwTOdP2

AnswerThis (@answerthisio) is the AI assistant that helps researchers find, analyze, and write research papers. Over 250k researchers visit https://t.co/n4pWiYjHyS monthly to go from research question to publication on one workspace. https://t.co/CSkZcXirW5

RT @garrytan: Even with super intelligence too cheap to meter Energy, land, time, human trust, and human agency stay scarce All the while…

RT @PhilipJohnst0n: I’ve never heard a more beautiful call out: “𝗦𝘁𝗮𝗿𝗰𝗹𝗼𝘂𝗱-𝟭 𝘀𝗲𝗽𝗮𝗿𝗮𝘁𝗶𝗼𝗻 𝗰𝗼𝗻𝗳𝗶𝗿𝗺𝗲𝗱” !!!!!! 🚀🚀🚀🚀🚀🚀 @Starcloud_Inc1, @ezrafeil…

Narrative (@narrativevideo) is Cursor for video editing. Narrative is the AI video editor that automates the tedious parts, like searching footage, pulling selects and syncing cameras— so pros can edit hours of content in minutes. https://t.co/FsxR3v0CiP

The path to great work: "Choose a field, learn enough to get to the frontier, notice gaps, explore promising ones." https://t.co/4jT10ulWaT

RT @Franciscocrz: @Pellicceama the "Eval Ripper" kicking us off with @Replit builders for the @agentmail x @ycombinator Halloween Hackatho…

RT @agentmail: 🎃AgentMail Hack Halloween has officially begun. Founders, builders, and agents are coming together for 24 hours of chaos, c…

RT @meh_agarwal: We’re hosting SF’s biggest AI filmmaking hackathon: The Uncanny Valley Fest, Nov 9 @ycombinator 🎬 Make a short film, musi…

RT @CommureOS: Most teams stop when the first problem is solved. For us, that was just the beginning. @tanay_tandon shares with @YCombinat…

RT @GregKamradt: We're co-hosting a party with @ycombinator at NeurIPS this year I'll be there along with @mikeknoop @fchollet @bryanland…

Locus (@paywithlocus) gives your AI agents the ability to spend without losing control. A secure way to connect your agents to funds, with identities, budgets, and permissions. Make them pay: for anything, anywhere. https://t.co/Sw9dURzTLS Congrats on the launch, @coledermo & @eliotlee33!

RT @arcprize: NeurIPS Party - ARC Prize Foundation + Y Combinator Join us in San Diego for a NeurIPS party co-hosted with @ycombinator Me…

RT @zachdive: announcing @adamdotnew’s $4.1m seed round, to build the future of cad we’re hiring. https://t.co/Hotd0GQF86

Aside (@AsideAI) shows live suggestions during sales calls, helping sales reps answer technical questions. Connect your docs, Slack, and past winning calls — Aside surfaces the right answer in 0.8s. No more “Let me get back to you.” https://t.co/fbWzP2caKy

RT @fchollet: We're having a combined ARC Prize + YC party in San Diego during NeurIPS! Come join us.

RT @yuvansundrani: https://t.co/FD2xXmHv1i is the agentic QA platform for mobile teams. Over 30 teams cut QA time using Autosana — serving…

RT @dessaigne: 🚀 New Vibecoding Hackathon at YC, Nov 8–9! Emergent has quickly become one of the best platforms for building apps without w…

RT @aaron_epstein: Everyone thinks video is huge right now, but it’s going to get 100x bigger. And Aspect manages the post-production of it…

RT @davecyen: There’s a 2X YC founder who’s in the current F25 batch after selling their previous YC startup for ~$1B. That says all you ne…

Dome (@GetDomeAPI) is a unified API for prediction markets like Polymarket and Kalshi. Trade and analyze data across multiple platforms with one simple API. https://t.co/YsZk6Elw2Y Congrats on the launch, @kurushdubash & @princeofbothell! https://t.co/MxUm8aAQEE

RT @opennote: Introducing Communities. Share your thinking. Discover others' breakthroughs. Build knowledge together. For any topic, any…

RT @mikeknoop: At NeruIPS this year and interested in ARC? Come say hi to @fchollet and myself on Saturday night!

RT @raphaelschaad: If you apply to the YC W26 batch, this email could be waiting in your inbox soon … Sit down and put your mind to it. Wr…

RT @adelwu_: first time at @ycombinator for RL IRL today!! 🤩 https://t.co/qc5qyvM8Xi

RT @dflieb: ~1% per day, compounded for a year.

RT @dflieb: >Sick video guys. Did you make it with Velvet? >Yup! >How long did it take? >Oh, a morning maybe >How much did the credits co…

RT @StartupArchive_: Brian Armstrong shares the Y Combinator advice that helped Coinbase find product/market fit “The first version of a p…

RT @conor_ai: we built the world’s first self-installing API powered by claude code add memory to your AI agents in 5 mins with @hyperspel…

RT @t_blom: It's so easy to be cynical and sound clever. Most startups fail, so the cynics are usually right. But the ones that succeed…

Velvet (@Velvet_Videos) is building the Adobe Premiere of AI video, allowing creative teams to generate and edit dozens of cinematic AI videos in seconds. https://t.co/lYvqpwSEXb Congrats on the launch, @lrmantovani_ & @luke_tux! (They made this launch video using Velvet by spending ~$50 in credits in ~5 hours)

Some of the biggest breakthroughs, like OpenAI and SpaceX, started as ideas most people thought were impossible. But the best founders stay contrarian long enough to be right, learning from criticism but staying true to their convictions and users who believe in the same vision. https://t.co/PTLjdPfoCW

Pixley (@PixleyAI) turns kids’ drawings into personalized animated cartoons that teach and entertain. Hundreds of families have brought their stories to life on Pixley, making it the go-to platform for edutainment. Congrats on the launch, @PranitAgrawal4 & @Krish5Iyengar! https://t.co/V5PEvD4UnH

RT @Niall_Kehoe: Can AI replace humans in quant finance? We recently ran a competition for 2k+ quant finance students and professionals fr…

BrowserOS (@browserOS_ai) is an open-source, privacy-first alternative to ChatGPT Atlas & Perplexity Comet. No vendor lock-in: use any LLM or search engine AI agents run locally. No tracking you for ads or data collection. Available for Mac/Win/Linux. https://t.co/GOYf9AzthL Congrats on the launch, @nv_sonti, @ThatNithin!

RT @aaron_epstein: A lot of startups have wild pivot stories – not Aleph (@getaleph). They applied to YC 4 years ago with the same core id…

RT @SamKaru_: A few weeks ago, I left @nvidia. Why now? Spent 4 amazing years, but the burning fire to build something on my own finally w…

.@1stcollab is a fully-automated, ROI-optimized influencer marketing platform that helps brands test, optimize, and scale influencer campaigns with just a few minutes of setup. It already powers some of the largest influencer marketing campaigns on social media. https://t.co/STbw7FTvGm

RT @bitcoinbasha: biggest myth abt @ycombinator we just sell to each other to make up for huge arr before demo day. total bs. my 4th flig…

RT @ycombinator: Nearly every modern AI model, from ChatGPT and Claude to Gemini and Grok, is built on the same foundation: the Transformer…

RT @conor_ai: join the @agentmail and @hyperspell halloween hackathon at the @ycombinator hq > win a @hyperspell founding eng interview >…

RT @WilliamBryk: Web search is no longer a destination, it's infrastructure that will power every product. 8 Exa partnerships announcing t…

RT @bradflora: A bunch of great YC companies are throwing a Reinforcement Learning rager at YC HQ on Saturday. I’ve seen the RSVP list and…

RT @Gedmark: Astranis exists to expand humanity's reach beyond low earth orbit. Higher orbits offer security, resilience, and control — wh…

RT @ayushswrites: We just hit a major milestone at @joinwarp $250M in payroll processed and on track to hit $1B in Q1 2026. It took 15mo…

.@RiveterHQ is replacing the entire scraper infrastructure stack with a single API. Their all-in-one search agent replaces SERP, scrapers, proxy managers, and more. And it knows which tools to use to find exactly the data you’re looking for. https://t.co/WN3adWx2l5 Congrats on the launch, @agrillz and @codyetc!

RT @paulg: Prediction: LLMs in their current form may not be able to do everything, but AI now has enough momentum that this won't matter.…

RT @nickscamara_: We had traction, users, and momentum but still chose to pivot Below, @dessaigne shares a bit about our journey from @men…

RT @garrytan: Real market alpha isn’t loud confidence; it’s the capacity to stay in contact with fear long enough to read the signal instea…

RT @harjtaggar: Pretty wild to watch agents interact directly with Amplitude via MCP and iterate themselves to find answers and insights bu…

MarkIt is building AI agents for trade compliance—helping suppliers, importers, and customs brokers classify products, manage documents, and navigate government requirements. https://t.co/tTaCTxaPR9 Congrats on the launch, @ch6nkim and @supadupacoda! https://t.co/cxhpOAGgFV

RT @bradflora: For the latest episode of "Office Hours" we polled YC founders for hard questions they're dealing with and took a crack at a…

RT @rbfasho: AI Screen Time Agents (for your household) We put an LLM on a VPN to give parents control of the network traffic entering the…

AutoAce (@AutoAce_AI) is the AI-native operating system for car dealerships, starting with voice agents that automate calls, bookings, and updates across service, sales, parts, and F&I. They're already driving six-figure revenue gains for dealerships. https://t.co/Zz7vP4sWjl

Congrats to @alexchantavy, @kunaalsikka, and @SubImageSec on their $4.2M seed! From the creators of Cartography at @Lyft, SubImage is an open-core alternative to Wiz, using AI to show how vulnerabilities and access paths lead to compromise. https://t.co/HpMp0e8sfN https://t.co/KMyFtUYNkC

Congrats to @akeed23, @twopac, and @cerclihq on their $12M Series A! Cercli is the single platform for enterprises to hire, manage, and pay their global workforce in the AI era. They've grown 10x over the last 12 months, processed over $100M in payroll across 50 countries - and are now launching their AI-native recruitment product to help customers hire more intelligently. https://t.co/jgb8L9r4lC

RT @houmland: After 3 years building AI agents, I quit my job to launch my own AI company. We applied to @ycombinator 30 minutes before th…

Congrats to https://t.co/c9C4WZdYZj on their $10.6M Series A! Letter AI's enablement platform helps sales teams ramp up faster with AI-powered training and coaching, instantly find and personalize collateral for customers, and engage their buyers. https://t.co/mX4rRd1JVo https://t.co/mIGGfzxkUE

Every founder faces moments where they’re not sure what to do next — such as how to go to market with AI products, when to pivot, and who/when to hire. In this episode of Office Hours, YC partners @koomen, @bradflora, @dessaigne, and @gustaf answer real questions from founders and share stories about how great teams build conviction, learn faster, and make better decisions as they grow. 0:36 - Building an AI company in a legacy industry 7:00 - Time to grow vs long-term defensibility 14:31 - Spending for temporary edge vs waiting for model leap 16:10 - When should you consider pivoting if you’ve got traction? 26:07 - The power of technically challenging problems 30:42 - When to start hiring? 35:18 - When is it a good idea to open source an enterprise SaaS product?

Freeport (@Freeportmkts) builds intelligent, research-backed crypto portfolios — integrating the best of DeFi to earn real yield, diversify across trusted assets, and stay in self-custody. No fees, no noise. One page, one click. https://t.co/XOFhsziMX0 Congrats on the launch, @Lihong062 & @brybryman!

RT @garrytan: Welcome back to YC @sama Thanks for sharing your wisdom with the newest batch https://t.co/3aOxbbZRzK

RT @wen_rahme: One week left to apply to the overnight @MetorialAi hackathon at the @ycombinator office. > Win a guaranteed YC interview (…

RT @Sampear_12: chill guy, very into ai and stuff https://t.co/V5TvCFcvZe

RT @jparkjmc: had front row seats to the biggest @ycombinator event yet @sama talked about his time at YC, GPT-2, and the conviction for n…

RT @GuptaAnkitV: Super excited that @agentmail is hosting a spooky Halloween themed Hackathon, brought to you by @Replit, @browser_use, @li…

RT @notankitsinghal: Introducing Odyssey—the largest and most performant protein language model ever created. Odyssey enables scientists a…

RT @harjtaggar: AI startups are growing so fast because they’re winning big enterprise contracts that usually would automatically go to the…

RT @dflieb: “Tech enabled” services were generally a bad idea pre-transformer. Now AI “full stack” startups seem very possible, even inevi…

RT @paulg: It's easier to innovate when you're the original of something. People copying you can only copy a snapshot of your current state…

Metorial (@MetorialAI) makes it easy for AI agents to use tools and data. Deploy 600+ MCP integrations in three clicks and connect them to agents in a single function call. Open-source and the only serverless MCP platform built for multi-tenant systems. https://t.co/YPpAcSw1J5

RT @harjtaggar: I've noticed in office hours recently that it's not as easy to come up with pivot ideas as it was even six months ago. The…

https://t.co/UlyECkLph4 is the all-in-one platform built for real builders. Keep teams aligned, simplify every workflow, and bring trust back to construction. Better than Procore. Cheaper than a truck. https://t.co/CQWYQmzOja https://t.co/soAZZ949Pv

RT @koomen: "We have gotten many positive complaints that it works so well now that people can no longer sit there and text or do emails at…

📧@mailmodo AI is an end-to-end conversational agent for email marketing. Now startups can plan, design, automate, and analyze entire email campaigns in one conversation. https://t.co/RVySuUbWw6 https://t.co/ZtXU78Kbpw

RT @patrickc: Very impressed by @supabase's growth. For new startups, they seem to have gone from "promising" to "standard" in remarkably s…

RT @itssuchintan: Asking AI to build scrapers should be easy right? Wrong https://t.co/jri2wMATiC

RT @jesslivingston: In our last episode of our founder mode series, we talk to Sajith Wickramasekara of Benchling. For @sajithw, founder mo…

RT @GuptaAnkitV: Absolutely the right take. People have wrongly complained about places like Harvard CS having “too much theory” forever.…

RT @koomen: Big thanks to Dr. Willis and the Army @xTechProgram for hosting me as a guest judge at the xTechDisrupt competition this week a…

“Curiosity is the best guide. Your curiosity never lies, and it knows more than you do about what’s worth paying attention to.” Paul Graham on How to Do Great Work: https://t.co/Tv7W8Lqx0v

RT @mukundjha: Great conversation with @dessaigne @ycombinator about all things Emergent: the next gen of apps and who's building them, wha…

RT @typesfast: Flexport just unveiled our latest tech release with a slate of new AI and software products for global trade. Here are som…

Nine out of ten people might tell you you're crazy. The tenth might see what you see. This week on the Lightcone, @garrytan, @harjtaggar, @snowmaker, and @sdianahu discuss contrarian bets — the ideas that look impossible until they work. From Uber and Coinbase to DoorDash and Flock Safety, they share how founders find opportunity where others see dead ends. 0:00 - Intro 2:00 - AI verticals are becoming more crowded 6:22 - Non-obvious successes 9:50 - End users can get regulations changed 18:05 - Finding contrarian ideas, what founders should look for 25:10 - Flock Safety and selling to local governments 33:40 - The sci-fi founder and "impossible" big ideas 36:42 - Outro

Congrats to @zeptonow on the $450M round at $7B valuation! Zepto is dominating India's quick-commerce market with 1.7M daily orders (up from 500k five quarters ago). They're now operating 1,000+ dark stores across 80+ cities, with 10M+ new monthly users. https://t.co/XI4ZhfiTHd

RT @amasad: Have *not* yet spent a single dollar from the money we raised 2.5 years ago!

RT @aaron_epstein: The Deel story is a great example of why putting the smartest founders in a YC batch together is such an unfair advantag…

Helion (@Helion_Energy) just secured a Conditional Use Permit to start the next phase of construction of Orion, the world’s first commercial fusion power plant. They're on track to deliver fusion power to Microsoft's grid by 2028. https://t.co/LjqXDhDod4

RT @garrytan: YC startup funded by @t_blom 👀

Semble AI automates fire-system design for construction companies. It used to take billions of dollars and thousands of hours of manual drafting, building code lookups, and back-and-forth with permitting authorities. With Semble AI, it takes 5 minutes. https://t.co/fJLjwfMRYN https://t.co/qDiY9vmn4d

RT @garrytan: 🫡 Diana is a megastar

RT @relativityspace: Fall has arrived, and with it more Terran R program progress across design, build, test, and launch. 🏗️ Build: The fi…

RT @Helion_Energy: Out today: Helion receives Conditional Use Permit to start the next phase of construction of Orion, the world’s first co…

RT @PhilipJohnst0n: Thanks @NVIDIA for highlighting our work at @Starcloud_Inc1! Exciting to partner to put the first H100 GPU chip for AI…

Congrats to @nova_credit on their $35M Series D! Nova is building the credit bureau of the future—helping nearly 100M Americans with limited or no credit history access financial products. They're powering decisions for major banks and 7,000+ businesses. https://t.co/RqPFtYNKAN

RT @Ishaank1999: Introducing chunkr-layout-1. Layout is where document intelligence starts, we just leveled it up. - Benched on 1,013 hand…

Alai (@getalai) helps you create high-quality presentations faster. Designed for iteration, quality, and speed, Alai turns rough ideas into decks you’re proud to present. https://t.co/pTcHjdiApn https://t.co/fX5t8ggpLd

RT @magicpatterns: You can now connect your Magic Patterns design to Open AI in our new integrations tab. Building a chatbot or chat app i…

Congrats to @john__glasgow and @Meet_campfire on their $63M Series B! Campfire is building the AI-native ERP for finance & accounting teams. They're reimagining how finance teams work, helping them close 5× faster and reclaim 144 days a year. 10× YTD growth. Customers migrated off SAP. Trusted by Replit, Decagon, PostHog, Heidi Health & Klarity. https://t.co/9gx7Bnx8gd

RT @weaverobotics: It’s a delicate dance to build practical home robots 🔊👯‍♀️ https://t.co/kLmuTcSgNU

RT @harjtaggar: Campfire (YC S23) is growing at remarkable speed as they're simultaneously grabbing earlier stage customers who become too…

Dedalus Labs (@dedaluslabs) is building the infrastructure layer for agentic AI—the simplest way to build and deploy complex agents across any model and any tool. Congrats on the launch, @itsCathyDi & @WindsorNguyen! https://t.co/vxjzXtA6tA https://t.co/djFsGAOWKx

RT @itsCathyDi: We just raised an $11M seed to help developers build complex agents across any model and any tool in 5 lines of code. Our r…

RT @_WEEXIAO: We've raised $7M to help companies build AI agents that actually learn and work. @Osmosis_AI is a platform for companies to…

Structured AI (@getstructuredai) is an AI workforce for pre-construction design engineering. They save engineers 30% of their time by automating documentation and validating designs directly inside the software teams already use. Congrats on the launch, @stingrayzz22, @Green181024 and @brandonstarxel!

Woz (@WithWoz1) has raised $6M to launch the first AI Product Factory. AI prototyping is easy. Building apps that real businesses can trust? Not so much. Woz changes that. Start building your mobile app today: https://t.co/MurBc2oV2a Congrats @BenjaminT007 & @ChefEckert on the seed and launch!

Fernstone is an AI-powered insurance brokerage for businesses. Their platform handles the back and forth with carriers, autonomously files paperwork, and instantly responds to customer requests. Congrats on the launch, @lukebbutton, @James_R_Chen, and @BryantLe18! https://t.co/iuDWVaTy8N

Hyperspell (@hyperspell) gives AI agents memory. It connects to Slack, Gmail, Notion, and Drive, so agents get context and remember what they learn. Congrats @conor_ai and @maebert on the launch! https://t.co/WkfMWkUs5p https://t.co/BQj8QMpdkF

RT @aaron_epstein: Founders are lucky to get to work with and learn from this incredible crew!

Canvas from @Spine_AI is an unlimited visual workspace for AI — where you can think, branch, and collaborate across hundreds of models. Chat works for Q&A. Canvas is for thinking. https://t.co/thZKTQWq0w Congrats on the launch @BudhkarAkshay & @AshwinVRaman! https://t.co/vyaNLQE88D

Waydev AI (@waydevco) is the AI-native conversational platform for Engineering Intelligence. Ask questions like “What’s our AI adoption rate?”, “How’s our cycle time trending?”, “Which teams drive the most impact?” Instant insights, no dashboards. https://t.co/b2YsuqATPI

RT @zanehengsperger: welcome to our 4 month old startup: @noxmetals >finished up yc a few months ago >detroit wartime factory revitalized…

RT @aaron_epstein: Agencies of the future are going to look a lot different with AI. @_claybird is building an AI ad agency that creates s…

RT @zenorocha: https://t.co/72VI5p3RVE just surpassed MJML in downloads. It's now the #1 most used email development framework. https://t.…

RT @wen_rahme: Announcing the @MetorialAi Hackathon hosted by @ycombinator. > Winner gets guaranteed YC interview! > Nov 1st-2nd, 24 hours…

After 1M+ downloads of their previous model, @nanonets is launching Nanonets-OCR2, a next-gen suite for image-to-markdown conversion & visual QA. From LaTeX math & tables → mermaid charts, signatures → watermarks. It handles it all. https://t.co/qK76htUkO6

RT @0interestrates: It's launch week @JuliusAI_. 5 days 5 launches Day 1: SQL Server Data Connector Now you can connect your SQL Server t…

RT @reductoai: Tomorrow marks a new chapter for Reducto. We’re crossing 1 billion pages processed since our inception, and we’re not slowi…

RT @adi_singh133: @agentmail_to is hosting the first HackHalloween at the @ycombinator office -- brought to you by @Replit, @livekit, @brow…

.@Pulse__AI just launched Ultra Nano, their new enterprise-focused document extraction model with complete self-hosting, already running across Fortune 50s, insurers, investment firms, banks, and foundational model labs. https://t.co/Yvoajxl8Gy Congrats on the launch, @sid_mnk and @ritvikpandey21!

🐦@_claybird is an agent that plans, generates, and edits your AI video ad. Marketers rely on slow, expensive agencies to produce ads. With Claybird, they go from idea to studio-quality ad in minutes. https://t.co/PFE7rJVOPl Congrats @_AbdullahNauman & @sadjamz_! https://t.co/5yANw2t8hj

RT @aaron_epstein: "The best companies care about design." So many insights from @karrisaarinen in this conversation, including: - superpo…

Clicks (https://t.co/gxJWa7Xl6V) automates repetitive back-office work for recruiting & executive search firms, saving 60% on costs while reducing time-to-close. Describe your process via video call or documentation, and they'll ensure it's automated exactly your way. https://t.co/R6f6da7EYS

ComplyDo (@ComplyD0) automates how enterprises comply with hundreds of global regulations. Already used by leading global players to replace months of manual work, reduce consulting hours, and accelerate market access. Without a fleet of consultants. https://t.co/VpcLqrcbeT Congrats on the launch, @SchuhmannLeo, Moritz, and Matthias!

Karri Saarinen (@karrisaarinen), co-founder and CEO of Linear, was the first designer at Coinbase and a lead designer at Airbnb. On Design Review with YC's @aaron_epstein, he shares how his design background shaped Linear's product philosophy, why quality and craft matter from day one, what founders should look for when hiring, and how AI is changing the way teams build. 02:00 – Lessons learned from YC, Coinbase, and Airbnb 06:00 – Building trust through brand and design 08:24 – Linear’s brand: craft, quality, and authenticity 10:40 – Why sales is part of the brand experience 13:10 – Shipping fast without losing quality 17:18 – Hiring for product taste and judgment 19:28 – Superpowers of designers as founders 21:12 – Advice for designers considering founding a startup 23:26 – Why founders should care about design from day one 25:24 – Tips for creating products that stand out 28:24 – Balancing creative freedom with shipping timelines 28:56 – How AI is changing design and product work 30:44 – Why AI won’t replace designers (and what shifts to expect) 32:44 – The future of product and design teams with AI

RT @coledermo: Demoed @PayWithLocus at @ycombinator's Agent Day Agents can finally pay; safely, autonomously, and by policy Agent wallets…

RT @imbereket: make something people want https://t.co/Rl2uyTmwuC

RT @moeintechoff: It was an eye-opening experience at @ycombinator yesterday exploring the world of Voice/Video AI. Hosted by @GoogleDeepM…

RT @wen_rahme: got into @ycombinator F25 after they rejected us last batch last time: me and @tobiasherber_ worked a year on our idea. the…

RT @t_blom: We're hosting an event for CFOs and Finance Teams in San Francisco. Some of the top YC startups will explain how their softwar…

RT @kobyjconrad: The amount of people judging me for building Sunflower is insane “What qualifications do you have to do this?” 👀 Idk ma…

RT @raphaelschaad: Opened my first Office Hours for @ycombinator founders today! Four companies, entirely different spaces, facing differe…

RT @mattppal: Some of the best energy I’ve seen at a tech event! We used a “tossable” microphone for guest questions Here’s a live throw…

RT @siddhzx: Awesome night! Thank you @ycombinator for setting this up + @snowmaker for listening to me talk about the future of American e…

RT @ksw_arman: 5 months ago I broke 2M+ views on a meme post about moving to SF to find pmf (see my pinned post) but now im hyped to annou…

RT @_vedantvyas: Some recent updates at @opennote_me: - Create practice problems + flashcards from your notes - Publish your learning + se…

RT @khawajasn: None of what we do would be possible without our partner fishermen. Over the past year, @ShinkeiSystems has scaled on every…

RT @davj: ANNOUNCEMENT: We finally did it Years of negotiation One perfect domain @tryfondo is now https://t.co/FRSWiKpEYw 100x easier…

RT @francedot: just woke up to find we're #1 trending on GitHub! what a wild ride - and awesome to see 3 YC teams up there together! https:…

RT @dvdhsu: This morning at Retool Summit, we introduced application generation in Retool — where, for the first time, you can generate app…

RT @reggitales: Dex is live. Escape the context-switching nightmare. Your browser just got a brain. https://t.co/tnxcgHRlzT

Congrats to @furtheraicom on their $25M Series A! By automating submission intake, policy comparison, claims processing, and compliance workflows, FurtherAI eliminates busywork so insurance professionals can focus on strategy and growth. https://t.co/7UeMmkXBII

Amina from @AminoAnalytica is an AI agent for end-to-end protein engineering. Design novel therapeutics through conversation instead of wrestling with hundreds of fragmented tools. Congrats on the launch @amino_abhi & @adaminoacid! https://t.co/CSHjTvWgFL https://t.co/tm1izF2pnr

RT @jesslivingston: In the latest Social Radars, we talk to Jen Herbach of Adventris, which is working on a cancer vaccine. She was in the…

RT @paulg: One reason Replit's revenue is growing so fast is that they're in the equivalent of a high-performance climb. They weren't just…

SlopeScore from @slopepay is the first cash flow score purpose-built for business lending, helping fintechs, banks, and lenders unlock more credit access for SMBs. Congrats on the launch, @LawLM, @alicevdeng, and the Slope team! https://t.co/KgUyMXR7k5 https://t.co/VhLZNLTtcJ

Cranston AI (@cranston_ai) does your company’s bookkeeping & taxes with AI. Their agents pull in context from across the business and, after human review, file a full corporate tax return with the IRS. https://t.co/Zg950m5cz8 Congrats on the launch @seanobannon_ & @MaxMinsker! https://t.co/MzCt7mxZq0

RT @sgondala2: We raised $25M in Series A funding, led by @a16z ( @joeschmidtiv, @astrange) @furtheraicom is building the first AI workspa…

Your users want to chat with their data. Your engineers don't have 3 months to build it. @useCamelAI's embeddable API gives teams production-ready data chat in 5 minutes. Congrats on the launch, @illiana_reed, @isabella_patane, and @Vercantez! https://t.co/9GTkPBjuP2

Jordan Fisher (@JordanFisherEzr) is the co-founder & CEO of Standard AI and now leads an AI alignment research team at Anthropic. In his talk at AI Startup School, he frames the future of startups through questions rather than answers—asking how founders should navigate a world where AGI may be just a few years away. 0:00 – Why He's More Confused Than Ever 2:00 – Should You Even Start a Startup? 5:00 – Planning Beyond the Next Model 8:00 – Will Software Be Commoditized? 11:00 – Building AI-Native Teams 14:00 – Trust, Security, and Agents 18:00 – Auditing & Guardrails 21:00 – Alignment & Economic Pressure 24:00 – Data, Defensibility, and Hard Problems 28:00 – Neutrality and Control 32:00 – Changing the World vs. Just Making Money 36:00 – Build Something People Want (and Need) 39:00 – Audience Q&A

RT @marvy_101: That's me, @davidaladee and @therealdajayi !!!!! We launched about a year ago, people have swiped 20 Million times, and we…

RT @aaron_epstein: The Openroll founders have built the most precise comp benchmarking agent, to compare against salaries in specific roles…

RT @supabase: Finding product market fit - Fireside Chat with Christina Cacioppo @christinacaci, Co-Founder and CEO at @TrustVanta and Ha…

RT @_alisawu: we applied to @ycombinator 21 days late and got into f25. this year was slowly then all at once after i got my lucky break t…

RT @MaxMinsker: Life update: Me and @seanobannon_ moved to SF to do @ycombinator this fall. Austin was sick, but pumped to be in SF! Let's…

RT @harjtaggar: No database company has grown this fast before. That makes it hard to predict by analogy how big @supabase could end up bei…

RT @kyriakosel: We are launching today Tyran AI - the easiest way to create health agents. Tyran makes it super easy to: - connect any hea…

RT @APolakof: Today we’re excited to share that @useflai has raised a $4.5 million seed round led by @firstround with participation from @y…

RT @davecyen: Supabase Select at YC w/ @francedot @konstiwohlwend Fun hearing the origin story from @AntWilson @kiwicopple - when they fir…

🪽@SafetyWing is launching health plans for US startups. Flat pricing, no deductible/co-pay, global coverage, including contractors. https://t.co/q45wBvZ4a4 https://t.co/EVO82F1SvQ

RT @dessaigne: Oneleet grew to $10M+ ARR without spending a single dollar of investor capital. A testament to the product, the team, and th…

RT @garrytan: Great goals track outputs and outcomes (paying users, retention) Vanity goals track inputs (impressions, launches, press rel…

RT @paulg: Organizations that can't measure performance end up measuring performativeness instead.

Congrats to @useflai on their $4.5M seed round! Flai helps automotive dealerships bring in more customers by handling all communication before they walk in the door — across calls, text, and email. https://t.co/P5Yo4MZM64

Nexus (@nexus_gpt) helps non-technical teams build production-ready AI agents without code. Orange's business team shipped an agent generating $4M+/month in just one week using Nexus. https://t.co/AX1q8ijchT Congrats on the launch, @achammah1 & @ShadyShoha! https://t.co/RupGQ6MNqj

RT @garrytan: We talk about moats and that is a useful concept but maybe less so right at the beginning of your startup journey Moats are…

In the early days, the only moat that startups have is speed. Once you make something people want, the question becomes what deeper moats can you build on to defend against the competition. On the @LightconePod, @garrytan, @harjtaggar, @sdianahu, and @snowmaker dive into Hamilton Helmer’s Seven Powers framework to find out how these moats show up in practice today in AI startups. 00:00 - The Moat Problem 01:30 - The Seven Powers Framework 04:20 - When to Think About Moats 08:40 - Forward Deployed Engineering 10:18 - Process Power 14:34 - Cornered Resources 19:30 - Switching Costs 24:54 - Counter Positioning 31:24 - The Workforce Displacement Reality 34:00 - Brand & Speed as Moats 37:30 - Network Economies 41:00 - Scale Economies 43:44 - Final Advice

RT @raphaelschaad: Founders sharing hard-earned lessons with new founders is what makes this community so powerful. Especially when each f…

RT @DeepgramAI: Voice agents don’t sound natural when they interrupt too early or wait too long. Today we’re launching Flux, the first Con…

RT @_anishgupta_: Excited to announce our company @playvisionai is backed by @ycombinator ! If you’re a college basketball coach looking t…

RT @usmangul: 💥 Product Launch💥 Today, we are launching Metal as a layer of super intelligence for founders raising venture rounds. Our v…