OpenAI· GPT / ChatGPT / APIModel update

Addendum to OpenAI o3 and o4-mini system card: OpenAI o3 Operator

OpenAI is replacing the GPT-4o based model for Operator with a version based on o3, while the API version remains based on 4o.

From the source

We are replacing the existing GPT-4o-based model for Operator with a version based on OpenAI o3. The API version will remain based on 4o.

openai.com

Announced

23 May 2025 00:00 UTC

Detected

03 Aug 2026 21:11 UTC (+437d after)