# clm_073FE2E065DF

subject: Claude (/record/claude.md)  
predicate: context_window  
value: 200K tokens  
valid_from: 2023-11-21  
valid_to: null  
confidence: 0.70  
status: valid  
superseded_by: null  
first_seen: 2026-10-27  
last_updated: 2026-10-28  

## Sources

- https://www.anthropic.com/news/claude-2-1 (primary, Anthropic)

## Supersedes

- [Claude](/record/claude.md) | context_window | 100K tokens (up from 9K) | valid 2023-05-11 to 2023-11-21 | conf 0.70 | superseded | superseded_by [clm_073FE2E065DF](/claim/clm_073FE2E065DF.md) | [clm_D41773B677B0](/claim/clm_D41773B677B0.md)
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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.