Model page
Gemini 2.5 Flash-Lite
Our smallest and most cost effective model, built for at scale usage.
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.