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

Calls to the model deepseek-ai/deepseek-v3.1-terminus on DeepInfra stopped working on August 17, 2026.

DeepInfra retired model deepseek-ai/deepseek-v3.1-terminus on August 17, 2026. Calls specifying this model fail since that date.

## What to use instead

Move to deepseek-ai/DeepSeek-V4-Flash-0731, recommended by DeepInfra.

- API: DeepInfra (api.deepinfra.com)
- Model: deepseek-ai/deepseek-v3.1-terminus
- Released: June 1, 2025 (models.dev)
- Kind: Model retirement
- Takes effect: August 17, 2026
- Calls after that day: fail
- Calls it hits: `model deepseek-ai/deepseek-v3.1-terminus`
- Source: [Model list](https://api.deepinfra.com/models/list)
- Verified: November 6, 2026, against DeepInfra's own pages
- Page: https://www.okapi.bot/models/deepinfra/deepseek-ai/deepseek-v3.1-terminus/

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