The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason using chain of thought. The o1 models are optimized for math, science, programming, and other STEM-related tasks. They consistently exhibit PhD-level accuracy on benchmarks in physics, chemistry, and biology. Learn more in the [launch announcement](https://openai.com/o1).
With CoreAI, you can start chatting with OpenAI: o1 instantly — no separate subscription needed. CoreAI bundles access to OpenAI: o1 along with 300+ other AI models from OpenAI and other providers like OpenAI, Anthropic, Google, Meta, and more.
Chat with OpenAI: o1 and 300+ other AI models — all in one app.