UPDATE: Apr. 16, 2025, 2:18 p.m. EDT Now that the OpenAI livestream has ended, this article has been updated with the latest information about the o3 and o4-mini launch. OpenAI's o3 and o4-mini models ...

One of the few things many disliked about ChatGPT was the confusing number of models. OpenAI claimed GPT-5 would fix this, but it seems to have made it worse. A new update is rolling out to ChatGPT.

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Anthropic and OpenAI ran their own tests on each other's models. The two labs published findings in separate reports. The goal was to identify gaps in order to build better and safer models. The AI ...

New research released yesterday by OpenAI and AI safety organization Apollo Research provides further evidence for a concerning trend: virtually all of today’s best AI systems—including Anthropic’s ...