# Gemini 2.0 Flash-Lite

Calls to the model Gemini 2.0 Flash-Lite on Vertex AI (us-central1-aiplatform.googleapis.com) stopped working on June 1, 2026.

On June 1, 2026, Vertex AI discontinued Gemini 2.0 Flash-Lite. This retirement affects calls to model Gemini 2.0 Flash-Lite across both model serving and Provisioned Throughput. Calls using this model fail because it is no longer available.

## The error Vertex AI (us-central1-aiplatform.googleapis.com) returns once Gemini 2.0 Flash-Lite is gone

HTTP 404

```json
{"error":{"code":404,"message":"Publisher model `projects/{project}/locations/{region}/publishers/google/models/Gemini 2.0 Flash-Lite` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region.","status":"NOT_FOUND"}}
```

## What to use instead

Use Gemini 3.1 Flash-Lite, Gemma 4, or more recent Gemini releases.

- API: Vertex AI (us-central1-aiplatform.googleapis.com) (us-central1-aiplatform.googleapis.com)
- Model: Gemini 2.0 Flash-Lite
- Kind: Model retirement
- Announced: June 1, 2026
- Takes effect: June 1, 2026
- Calls after that day: fail
- Calls it hits: `model Gemini 2.0 Flash-Lite`
- Source: [Changelog](https://docs.cloud.google.com/gemini-enterprise-agent-platform/release-notes)
- Verified: November 3, 2026, against Vertex AI (us-central1-aiplatform.googleapis.com)'s own pages
- Page: https://www.okapi.bot/models/vertex-ai-2/gemini-2.0-flash-lite-2/

## Vertex AI (us-central1-aiplatform.googleapis.com)'s words

> Gemini 2.0 Flash and 2.0 Flash-Lite are discontinued and are no longer available. This includes both model serving and Provisioned Throughput. Use Gemini 3.1 Flash-Lite, Gemma 4, or more recent Gemini releases.

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