# qwen/qwen3.5-397b-a17b

Calls to the model qwen/qwen3.5-397b-a17b on Nebius stop working on November 9, 2026.

On November 9, 2026, the model qwen/qwen3.5-397b-a17b will be retired on api.studio.nebius.ai. Calls using model qwen/qwen3.5-397b-a17b will fail after that day.

## What to use instead

Move to Qwen/Qwen3.8-27B, which Nebius recommends as the replacement.

- API: Nebius (api.studio.nebius.ai)
- Model: qwen/qwen3.5-397b-a17b
- Released: February 15, 2026 (models.dev)
- Kind: Model retirement
- Takes effect: November 9, 2026
- Calls after that day: fail
- Calls it hits: `model qwen/qwen3.5-397b-a17b`
- 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/qwen/qwen3.5-397b-a17b/

## Nebius's words

> Deprecating Model: Qwen/Qwen3.5-397B-A17B; Recommended Replacement: Qwen/Qwen3.8-27B

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