Person

Mike Krieger

Instagram co-founder and Anthropic's chief product officer, who put the share of Anthropic product code written by Claude at effectively 100%.

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Welcome to February 8, 2026 (theinnermostloop.substack.com)

Mike Krieger co-founded Instagram and is Anthropic’s chief product officer. In this corpus he appears once, as the executive who confirmed that effectively all of Anthropic’s product code is written by Claude, the item the newsletter treats as completing the bootstrap phase after Boris Cherny’s 200 pull requests and Dario Amodei’s “much of the code”.

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Development timeline

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2026-02-08: Effectively all of Anthropic's product code is written by Claude

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Same as

http://www.wikidata.org/entity/Q10329947

Referenced by

Mike Krieger, Chief Product Officer at Anthropic

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Citation formatCitation text

Mike Krieger
Innermost Loop KB — secondary record
Reporting date: unknown
KB permalink: https://nicholsn.github.io/innermost-loop-kb/people/mike-krieger
Attributed sources:
- Welcome to February 8, 2026 — https://theinnermostloop.substack.com/p/welcome-to-february-8-2026
This citation does not imply independent verification of linked-source claims.

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