# anthropic.claude-opus-4-1-20250805-v1:0

Calls to the model anthropic.claude-opus-4-1-20250805-v1:0 on Amazon Bedrock stop working on January 8, 2027.

- API: Amazon Bedrock (bedrock.us-east-1.amazonaws.com)
- Model: anthropic.claude-opus-4-1-20250805-v1:0
- Released: August 5, 2025 (models.dev)
- Kind: Model retirement
- Announced: July 8, 2026
- Takes effect: January 8, 2027
- Calls after that day: fail
- Calls it hits: `model anthropic.claude-opus-4-1-20250805-v1:0`
- Source: [Deprecations page](https://docs.aws.amazon.com/bedrock/latest/userguide/model-lifecycle-legacy.html)
- Verified: November 6, 2026, against Amazon Bedrock's own pages
- Page: https://www.okapi.bot/models/amazon-bedrock/anthropic.claude-opus-4-1-20250805-v1-0/

## Amazon Bedrock's words

> Model provider: Anthropic; Model name: Claude Opus 4.1; Model ID: anthropic.claude-opus-4-1-20250805-v1:0; Regions: us-east-1, us-east-2, us-west-2; Legacy date: July 8, 2026; EOL date: January 8, 2027; Public extended access start date: October 8, 2026

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