# deepseek-v3.1

Calls to the model deepseek-v3.1 on Azure AI Foundry stopped working on July 13, 2026.

On July 13, 2026, model deepseek-v3.1 will be retired on Azure AI Foundry. Any calls directed to model deepseek-v3.1 will fail after this date.

## What to use instead

Move to DeepSeek-V4-Flash, recommended by Microsoft.

- API: Azure AI Foundry (*.services.ai.azure.com)
- Model: deepseek-v3.1
- Kind: Model retirement
- Takes effect: July 13, 2026
- Calls after that day: fail
- Calls it hits: `model deepseek-v3.1`
- Source: [Deprecations page](https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule)
- Verified: October 29, 2026, against Azure AI Foundry's own pages
- Page: https://www.okapi.bot/models/azure-ai-foundry/deepseek-v3.1/

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