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DocsAnthropic
- Severity
- Medium
- Published
- 1 month agoMar 18, 2026
- Signal
- 46
Anthropic added model capability fields to the Models API.
We've added model capability fields to the Models API. GET /v1/models and GET /v1/models/{model id} now return max input tokens , max tokens , and a capabilities object. Query the API to discover what each model supports.
Official source entry
Anthropic added model capability fields to the Models API.
From Platform Release Notes. The simplified record can be checked against the original wording.
Why it matters
Anthropic updated platform release notes semantics for llms and agents. Review the official entry during the next release review.
Who should care
- ai
Affected stack
- llms
- agents
Categories
modelapi