Model page
DeepSeek v3.1
DeepSeek-V3.1 via Fireworks: long-context extension (32K→128K), UE8M0 FP8 scale. Post-trained on DeepSeek-V3.1-Base. 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.