OpenAI o3
| o3 | |
|---|---|
| Developer(s) | OpenAI |
| Initial release |
|
| Predecessor | OpenAI o1 |
| Successor | o3-mini: OpenAI o4-mini |
| Type | |
OpenAI o3 is a reflective generative pre-trained transformer (GPT) model developed by OpenAI as a successor to OpenAI o1 for ChatGPT. It is designed to devote additional deliberation time when addressing questions that require step-by-step logical reasoning. On January 31, 2025, OpenAI released a smaller model, o3-mini, followed on April 16 by o3 and o4-mini.