# gemini-2.5-flash

Calls to the model gemini-2.5-flash on Vertex AI stopped working on October 20, 2026.

- API: Vertex AI (aiplatform.googleapis.com)
- Model: gemini-2.5-flash
- Kind: Model retirement
- Takes effect: October 20, 2026
- Calls after that day: fail
- Calls it hits: `model gemini-2.5-flash`
- Source: [Deprecations page](https://cloud.google.com/vertex-ai/generative-ai/docs/learn/model-versions)
- Page: https://www.okapi.bot/models/vertex-ai/gemini-2.5-flash/

## What to use instead

Move to gemini-3.8-flash or gemini-3.5-flash-lite, recommended by Google.