# deepseek-r1-0528

Calls to the model deepseek-r1-0528 on Azure AI Foundry stopped working on July 13, 2026.

On July 13, 2026, model deepseek-r1-0528 was retired from Azure AI Foundry. Calls targeting this model fail since that date.

## What to use instead

Move to DeepSeek-V4-Pro, which is recommended by Microsoft.

- API: Azure AI Foundry (*.services.ai.azure.com)
- Model: deepseek-r1-0528
- Released: May 28, 2025 (models.dev)
- Kind: Model retirement
- Takes effect: July 13, 2026
- Calls after that day: fail
- Calls it hits: `model deepseek-r1-0528`
- 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/deepseek-r1-0528/

## Azure AI Foundry's words

> Model: DeepSeek-R1-0528; Version: 1; Lifecycle: Retired; Retirement date: 2026-07-13; Replacement: DeepSeek-V4-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