Model Commons / constitutions

An independent archive

The public record of AI’s governing documents.

Model Commons preserves the foundational documents that define how AI systems are meant to behave — reproduced verbatim, and opened to public response, clause by clause.

In the archive

Claude’s Constitution
Anthropic PBC · Version January 20, 2026

Anthropic’s foundational description of Claude’s intended values and behavior.

CC0 1.0 2 public responses Read →

More documents as they’re published.

How it works

Each document is reproduced in full from its official source. Readers respond to specific clauses through GitHub Discussions; substantive, civil responses are reviewed and published alongside the text they address. Nothing here is a poll or an endorsement — it is a durable, public record of the arguments.

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