Change stream · OpenAI API changelog
Released GPT-5.4, our newest frontier model for professional work, to the Chat Completions and Responses API, and released GPT-5.4 Pro to the Responses API for tougher p…
5 Mar 2026 · OpenAI
No access to your tenant or devices. Every item links to its source. What this means
Change stream · OpenAI API changelog
5 Mar 2026 · OpenAI