# sonic-3-2025-10-27

Calls to the model sonic-3-2025-10-27 on Cartesia stopped working on October 20, 2026.

- API: Cartesia (api.cartesia.ai)
- Model: sonic-3-2025-10-27
- Kind: Model retirement
- Takes effect: October 20, 2026
- Calls after that day: fail
- Calls it hits: `model sonic-3-2025-10-27`
- Source: [Deprecations page](https://docs.cartesia.ai/build-with-cartesia/tts-models/api-changes)
- Verified: October 29, 2026, against Cartesia's own pages
- Page: https://www.okapi.bot/models/cartesia/sonic-3-2025-10-27/

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