Application developers who access OpenAI through its long-running API will now have access to the company’s latest full o1 model, rather than the months-old o1-preview. The upgrade is one of a number ...

On Thursday during a live demo as part of its “12 days of OpenAI” event, OpenAI announced a new tier of ChatGPT with higher usage limits for $200 a month and the full version of “o1,” the full version ...

OpenAI announced Tuesday the launch of two open-weight AI reasoning models with similar capabilities to its o-series. Both are freely available to download from the online developer platform Hugging ...

Chinese AI lab DeepSeek has released an open version of DeepSeek-R1, its so-called reasoning model, that it claims performs as well as OpenAI’s o1 on certain AI benchmarks. R1 is available from the AI ...

OpenAI has sent out emails notifying API customers that its chatgpt-4o-latest model will be retired from the developer platform in mid-February 2026. Access to the model is scheduled to end on ...