Google DeepMind · model release
Gemini 2.5 Flash released in preview
Google releases Gemini 2.5 Flash, a fast model whose thinking can be switched on or off.
In detail
Google released a preview of Gemini 2.5 Flash, which it called its first fully hybrid reasoning model. Developers could turn thinking on or off through the Gemini API in Google AI Studio and Vertex AI; it was also in the Gemini app model menu.
Sources
- Start building with Gemini 2.5 Flash · Google for Developers · Primary source
- Gemini 2.5: Our most intelligent models are getting even better · Google · Primary source
Last checked 11 November 2026.