Model page
MiniMax M2.5
MiniMax M2.5 via Fireworks: state-of-the-art coding, agentic tool use, search, and office work. 228B MoE, 196k context. Function calling supported. Does not support web search or image input.
Key dates
We use concrete dates and keep them consistent across the site.
ChatGPT
GPT‑4o retirement (ChatGPT)
OpenAI is retiring GPT‑4o inside ChatGPT on February 13, 2026. This does not automatically imply API removal.