# clm_A861A2B5295C

subject: Claude (/record/claude.md)  
predicate: available_in  
value: Google Cloud  
valid_from: 2026-07-15  
valid_to: null  
published: 2026-07-15  
recorded: 2026-10-31  
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  

> July 15, 2026  Mid-conversation system messages are available on Claude Fable 5, Claude Mythos 5, and Claude Opus 4.8, on the Claude API, Claude in Amazon Bedrock , and Google Cloud .

What https://platform.claude.com/docs/en/release-notes/overview#2026-10-22 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2026-10-22 (primary, Anthropic, published 2026-10-22)
- https://platform.claude.com/docs/en/release-notes/overview#2026-08-20 (primary, Anthropic, published 2026-08-20)
- https://cloud.google.com/blog/products/ai-machine-learning/expanding-claude-availability-on-google-cloud/ (secondary, Google Cloud, published 2026-10-22)
- https://platform.claude.com/docs/en/release-notes/overview#2026-09-03 (primary, Anthropic, published 2026-09-03)
- https://platform.claude.com/docs/en/release-notes/overview#2026-07-15 (primary, Anthropic, published 2026-07-15)

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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.