Polity Atlas
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Collective Constitutional AI: Aligning a Language Model with Public Input

Anthropic and the Collective Intelligence Project · 2023

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2026-09-01

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3 claims
EstablishedAbout 1,000 US adults recruited by PureSpectrum submitted 1,127 statements and cast 38,252 votes on Polis; after moderation 275 statements remained, overlapping about 50% in concepts with Anthropic's 58-principle constitution.EstablishedThe model trained on the public constitution performed equivalently to the standard model on MMLU, GSM8K and helpfulness and harmlessness ratings, and showed lower bias across nine social dimensions of the BBQ benchmark.EstablishedThe organisers acknowledge that many subjective judgement calls in moderating and translating public statements into training principles shaped the final public constitution.