# deepseek-ai/deepseek-v3.1-base

Calls to the model deepseek-ai/deepseek-v3.1-base on Together AI stopped working on July 29, 2026.

On July 29, 2026, Together AI retired model deepseek-ai/deepseek-v3.1-base. Calls targeting this model fail since that date.

## What to use instead

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

- API: Together AI (api.together.xyz)
- Model: deepseek-ai/deepseek-v3.1-base
- Kind: Model retirement
- Takes effect: July 29, 2026
- Calls after that day: fail
- Calls it hits: `model deepseek-ai/deepseek-v3.1-base`
- 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-v3.1-base/

## Together AI's words

> Removal date: 2026-07-29; Model: deepseek-ai/DeepSeek-V3.1-Base; 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