# clm_7BB9DE79D38B

subject: Anthropic (/record/anthropic.md)  
predicate: model_release  
value: Claude Opus 5  
valid_from: 2026-07-24  
valid_to: null  
published: 2026-07-24  
recorded: 2026-10-29  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> Claude Opus 5 is available today. It’s a thoughtful and proactive model that comes close to the frontier intelligence of Claude Fable 5 at half the price.

What https://www.anthropic.com/news/claude-opus-5 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2026-07-24 (primary, Anthropic, published 2026-07-24)
- https://www.anthropic.com/news/claude-opus-5 (primary, Anthropic, published 2026-07-24)

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.
