GPT-5.1 Pro is rolling out today to all Pro users.
It delivers clearer, more capable answers for complex work, with strong gains in writing help, data science, and business tasks.
The world has struck a new climate deal at the COP30 summit in Brazil, which calls for a tripling of funding to help countries adapt to increasingly severe climate impacts. But countries failed to agree to a roadmap away from fossil fuels, after entrenched divisions threatened to collapse the talks.
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US plan to end Russia's war in Ukraine needs "additional work," world leaders say, after proposal alarms Kyiv and its allies.
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