# microsoft/phi-4-reasoning-plus

Calls to the model microsoft/phi-4-reasoning-plus on DeepInfra stopped working on August 11, 2025.

## What to use instead

Move to microsoft/phi-4, recommended by DeepInfra.

- API: DeepInfra (api.deepinfra.com)
- Model: microsoft/phi-4-reasoning-plus
- Released: December 11, 2024 (models.dev)
- Kind: Model retirement
- Takes effect: August 11, 2025
- Calls after that day: fail
- Calls it hits: `model microsoft/phi-4-reasoning-plus`
- 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/microsoft/phi-4-reasoning-plus/

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