# gemini-1.5-flash-8b

Calls to the model gemini-1.5-flash-8b stopped working on September 29, 2025.

On September 29, 2025, model gemini-1.5-flash-8b stops working. Calls targeting this model fail after this date. Gemini API shut down the model alongside other Gemini 1.5 offerings.

## The error Gemini API returns once gemini-1.5-flash-8b is gone

Once it is closed to new API keys: HTTP 404

```json
{"error":{"code":404,"message":"This model models/gemini-1.5-flash-8b 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-1.5-flash-8b 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

Move to a current Gemini model.

- API: Gemini API (generativelanguage.googleapis.com)
- Model: gemini-1.5-flash-8b
- Kind: Model retirement
- Takes effect: September 29, 2025
- Calls after that day: fail
- Calls it hits: `model gemini-1.5-flash-8b`
- Source: [Announcement](https://ai.google.dev/gemini-api/docs/changelog#09-29-2025)
- Verified: November 6, 2026, against Gemini API's own pages
- Page: https://www.okapi.bot/models/gemini-api/gemini-1.5-flash-8b/

## Gemini API's words

> The following Gemini 1.5 models are now shut down: gemini-1.5-pro gemini-1.5-flash-8b gemini-1.5-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