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.