OpenAI News Models & Releases · May 23, 2025 00:00 imp:50 Addendum to OpenAI o3 and o4-mini system card: OpenAI o3 Operator 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. Leer el original en OpenAI News →