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OpenAI releases o3 with integrated tool use
Reasoning models can choose and combine ChatGPT tools during a task.
Model labOpenAI
OpenAITopics
OCCURRED16 Apr 2025
PUBLIC ACCOUNT16 Apr 2025
EVIDENCEFirst-party account
About these dates
Date of the developer announcement or dated release record.
OpenAI released o3 and o4-mini as reasoning models able to combine ChatGPT tools, including web search, Python, file analysis and image processing. The models could decide when and how to use those tools while working through a request. OpenAI ↗
Sources & attribution
- Organizational disclosure 16 Apr 2025OpenAI releases o3 with integrated tool use ↗
OpenAI. Original developer announcement.