# deepseek-ai/deepseek-r1-0528

Calls to the model deepseek-ai/deepseek-r1-0528 on Together AI stopped working on July 29, 2026.

Together AI retired model deepseek-ai/deepseek-r1-0528 on July 29, 2026. Calls to this model fail since that day. Requests to the model are no longer served.

## What to use instead

The initially suggested replacement deepseek-ai/deepseek-v3.1 stopped working on May 14, 2026. No replacement that holds is named yet.

- API: Together AI (api.together.xyz)
- Model: deepseek-ai/deepseek-r1-0528
- Released: May 28, 2025 (models.dev)
- Kind: Model retirement
- Takes effect: July 29, 2026
- Calls after that day: fail
- Calls it hits: `model deepseek-ai/deepseek-r1-0528`
- Source: [Deprecations page](https://docs.together.ai/docs/deprecations)
- Verified: November 6, 2026, against Together AI's own pages
- Page: https://www.okapi.bot/models/together-ai/deepseek-ai/deepseek-r1-0528/

## Together AI's words

> Removal date: 2026-07-29; Model: deepseek-ai/DeepSeek-R1-0528; Suggested replacement: deepseek-ai/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
