# clm_EFC2673EAA83

subject: Anthropic (/record/anthropic.md)  
predicate: feature_added  
value: code_execution_20260521  
valid_from: 2026-06-11  
valid_to: null  
published: 2026-06-11  
recorded: 2026-11-10  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-10  
cite: AsOf. "Anthropic feature added: code_execution_20260521", as of 2026-06-11. Claim clm_EFC2673EAA83, https://asof.is/claim/clm_EFC2673EAA83, accessed 2026-11-11. Source: https://platform.claude.com/docs/en/release-notes/overview#2026-06-11.  
checked: 2026-11-10 · its source page states the value and the date  

> June 11, 2026  The code execution tool now supports code_execution_20260521 , which discloses the 90-second per-cell execution time limit in the tool description so Claude can budget long-running cells.

What https://platform.claude.com/docs/en/release-notes/overview#2026-06-11 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2026-06-11 (primary, Anthropic, published 2026-06-11)

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