Opus 5.5
By Anthropic · first seen Monday, September 21 · on 7 platforms · 1 API change · 20 pieces in its story.
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From its lab
Its lab hasn't written about it in the paper's sources.
In the API
Where it runs
- Claude Opus 5.5 now available on AI Gateway
- Claude Opus 5.5 now available in AI Gateway and Agent Runners
- Claude Opus 5.5 is now available on AWS GovCloud (US)
- New model: Anthropic: Claude Opus 5.5
- Claude Opus 5.5 comes to Microsoft Foundry for long-running coding and knowledge work
- Claude Opus 5.5 is now available in GitHub Copilot
- Claude Opus 5.5 is now available on AWS
Incidents
No status page has named it.
Deadlines
Its maker's deprecation table sets no date for it.