Model page
Claude Opus 4.6
Anthropic's most advanced Claude model. Exceptional emotional intelligence and warmth paired with adaptive thinking that scales to the complexity of your request.
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.