# imagen-3.0-fast-generate-001

Vertex AI deprecated the model imagen-3.0-fast-generate-001 without giving a shutdown date yet.

Google deprecated the model imagen-3.0-fast-generate-001 on March 24, 2026, without a shutdown date. Calls targeting this model are set to fail once the retirement takes effect. This change affects any request relying on model imagen-3.0-fast-generate-001.

## What to use instead

Update your model endpoints before June 30, 2026, using gemini-2.5-flash-image instead to avoid service disruption.

- API: Vertex AI (aiplatform.googleapis.com)
- Model: imagen-3.0-fast-generate-001
- Kind: Model retirement
- Announced: March 24, 2026
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `model imagen-3.0-fast-generate-001`
- Source: [Changelog](https://docs.cloud.google.com/vertex-ai/docs/release-notes)
- Verified: November 6, 2026, against Vertex AI's own pages
- Page: https://www.okapi.bot/models/vertex-ai/imagen-3.0-fast-generate-001/

## Vertex AI's words

> imagen-3.0-fast-generate-001 | gemini-2.5-flash-image |

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent