# Anthropic Claude Sonnet 4

Databricks REST API deprecated the model Anthropic Claude Sonnet 4 without giving a shutdown date yet.

- API: Databricks REST API (*.cloud.databricks.com)
- Model: Anthropic Claude Sonnet 4
- Kind: Model retirement
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `model Anthropic Claude Sonnet 4`
- Source: [Changelog](https://docs.databricks.com/aws/en/release-notes/product/)
- Verified: October 28, 2026, against Databricks REST API's own pages
- Page: https://www.okapi.bot/models/databricks-rest-api/anthropic-claude-sonnet-4/

## Databricks REST API's words

> Anthropic Claude Sonnet 4 is retired

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