# deepseek-ai/deepseek-v4-flash-0731

Calls to the model deepseek-ai/deepseek-v4-flash-0731 on Nebius stop working on November 9, 2026.

On November 9, 2026, the model deepseek-ai/deepseek-v4-flash-0731 will be retired. Calls made to this model after that date will fail.

## What to use instead

Move to deepseek-ai/DeepSeek-V4.1-Flash-1017, recommended by Nebius.

- API: Nebius (api.studio.nebius.ai)
- Model: deepseek-ai/deepseek-v4-flash-0731
- Released: July 31, 2026 (models.dev)
- Kind: Model retirement
- Takes effect: November 9, 2026
- Calls after that day: fail
- Calls it hits: `model deepseek-ai/deepseek-v4-flash-0731`
- Source: [Model notices](https://docs.tokenfactory.nebius.com/llms.txt#deprecation)
- Verified: November 6, 2026, against Nebius's own pages
- Page: https://www.okapi.bot/models/nebius/deepseek-ai/deepseek-v4-flash-0731/

## Nebius's words

> Deprecating Model: deepseek-ai/DeepSeek-V4-Flash-0731; Recommended Replacement: deepseek-ai/DeepSeek-V4.1-Flash-1017

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