# gemini-omni-1.1-flash

Calls to the model gemini-omni-1.1-flash stop working on December 3, 2026.

On December 3, 2026, the model gemini-omni-1.1-flash will shut down and calls using it will fail. Requests to generativelanguage.googleapis.com referencing this model will no longer function after that date. The change takes effect across all standard API traffic utilizing the model.

## The error Gemini API returns once gemini-omni-1.1-flash is gone

Once it is closed to new API keys: HTTP 404

```json
{"error":{"code":404,"message":"This model models/gemini-omni-1.1-flash is no longer available to new users. Please update your code to use a newer model for the latest features and improvements.","status":"NOT_FOUND"}}
```

Once it is shut down: HTTP 404

```json
{"error":{"code":404,"message":"models/gemini-omni-1.1-flash is not found for API version v1beta, or is not supported for generateContent. Call ModelService.ListModels to see the list of available models and their supported methods.","status":"NOT_FOUND"}}
```

## What to use instead

Migrate to gemini-omni-1.2-flash as recommended by Google. Effective December 3, 2026, the endpoint automatically routes API requests to gemini-omni-1.2-flash.

- API: Gemini API (generativelanguage.googleapis.com)
- Model: gemini-omni-1.1-flash
- Released: August 27, 2026 (models.dev)
- Kind: Model retirement
- Takes effect: December 3, 2026
- Calls after that day: fail
- Calls it hits: `model gemini-omni-1.1-flash`
- Source: [Deprecations page](https://ai.google.dev/gemini-api/docs/deprecations)
- Verified: November 6, 2026, against Gemini API's own pages
- Page: https://www.okapi.bot/models/gemini-api/gemini-omni-1.1-flash/

## Gemini API's words

> Model: gemini-omni-1.1-flash; Release date: August 27, 2026; Shutdown date: December 3, 2026; Recommended replacement: gemini-omni-1.2-flash (Effective December 3, 2026, the endpoint is automatically routing API requests to gemini-omni-1.2-flash)

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