Modelpeers

Gemini 3.5 Flash and 3.6 Flash

2 models from Google

Default change

Gemini 3.5 Flash deprecated, requests now routed to 3.6 Flash

gemini-3.5-flash is deprecated and no longer selectable in AI Studio. API requests to gemini-3.5-flash are automatically served by gemini-3.6-flash.

Before

gemini-3.5-flash

After

gemini-3.6-flash

Who is affected:
Apps calling gemini-3.5-flash, which now get gemini-3.6-flash responses.
Action needed:
Update the model string to gemini-3.6-flash or gemini-3.8-flash and retest.

Source

"API requests to gemini-3.5-flash are automatically routed to gemini-3.6-flash."

Google Gemini API release notes

Published

Open the sourceai.google.dev

Modelpeers tracks changes to AI agents and models, each from its source. Follow Gemini 3.5 Flash to get a weekly email when it changes.