# mistral-small-2503

Calls to the model mistral-small-2503 on Azure AI Foundry stop working on February 15, 2027.

On February 15, 2027, model mistral-small-2503 will be retired. Calls targeting this model will fail after that date. The model is currently marked as deprecated in Azure AI Foundry.

## What to use instead

Move to mistralai-mistral-small-4-119b-2603, which is recommended by Microsoft.

- API: Azure AI Foundry (*.services.ai.azure.com)
- Model: mistral-small-2503
- Released: March 1, 2025 (models.dev)
- Kind: Model retirement
- Takes effect: February 15, 2027
- Calls after that day: fail
- Calls it hits: `model mistral-small-2503`
- 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/mistral-small-2503/

## Azure AI Foundry's words

> Model: mistral-small-2503; Version: 1; Lifecycle: Deprecated; Retirement date: 2027-02-15; Replacement: mistralai-mistral-small-4-119b-2603

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