On the last day of OpenAI's 12 days of 'shipmas,' the company unveiled its latest models, o3 and o3-mini, which excel at reasoning and even outperform o1 on a series of benchmarks, including math and ...

OpenAI on Friday launched a new AI “reasoning” model, o3-mini, the newest in the company’s o family of reasoning models. OpenAI first previewed the model in December alongside a more capable system ...

OpenAI today made its o3-mini large language model generally available for ChatGPT users and developers. Word of the launch leaked a few hours earlier. According to Wired, OpenAI brought o3-mini’s ...

OpenAI just released o3-mini, a reasoning model that’s faster, cheaper, and more accurate than its predecessor. On Thursday, Microsoft announced that it’s rolling OpenAI's reasoning model o1 out to ...

Back in September, OpenAI announced GPT-5-Codex, a new GPT-5 model that is optimized for agentic coding in Codex. Since GPT-5 ...

Microsoft Corp. researchers today open-sourced Pi-3 Mini, a language model with 3.8 billion parameters that can outperform neural networks more than 10 times its size. The company says that Pi-3 Mini ...