# embed-v-4-0

Calls to the model embed-v-4-0 on Azure AI Foundry stop working on June 1, 2027.

On June 1, 2027, model embed-v-4-0 will be retired across Azure AI Foundry. Calls using this model will fail after that day. The change applies to version 1 of the model.

## What to use instead

Migrate your calls to Coher-embed-v5-fast or Cohere-embed-v5-pro as recommended by Microsoft.

- API: Azure AI Foundry (*.services.ai.azure.com)
- Model: embed-v-4-0
- Kind: Model retirement
- Takes effect: June 1, 2027
- Calls after that day: fail
- Calls it hits: `model embed-v-4-0`
- Source: [Deprecations page](https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule)
- Verified: November 6, 2026, against Azure AI Foundry's own pages
- Page: https://www.okapi.bot/models/azure-ai-foundry/embed-v-4-0/

## Azure AI Foundry's words

> Model: embed-v-4-0; Version: 1; Lifecycle: GA; Retirement date: 2027-06-01; Replacement: Coher-embed-v5-fast, Cohere-embed-v5-pro

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