# clm_85B0AA563D70

subject: Anthropic (/record/anthropic.md)  
predicate: policy_changed  
value: acceleration limits  
valid_from: 2025-08-11  
valid_to: null  
published: 2025-08-11  
recorded: 2026-11-13  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-13  
cite: AsOf. "Anthropic policy changed: acceleration limits", as of 2025-08-11. Claim clm_85B0AA563D70, https://asof.is/claim/clm_85B0AA563D70, accessed 2026-11-14. Source: https://platform.claude.com/docs/en/release-notes/overview#2025-08-11.  
checked: 2026-11-13 · its source page states the value and the date, as read by an AI model  

> August 11, 2025 Some customers might encounter 429 ( rate_limit_error ) errors following a sharp increase in API usage because of acceleration limits on the API. Previously, 529 ( overloaded_error ) errors would occur in similar scenarios.

What https://platform.claude.com/docs/en/release-notes/overview#2025-08-11 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2025-08-11 (primary, Anthropic, published 2025-08-11)

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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.