Capability gains

Anthropic launches Claude 2 through API and public web access

Anthropic released Claude 2 with improved reasoning and coding, a 100,000-token context window, API access and a public beta website in the United States and United Kingdom.

CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM55confidence 97/100

Why it moved the index

A materially stronger long-context frontier model reached both developers and public users immediately, broadening capability and deployment while retaining centralized access controls.

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AUDIT TRAIL

Assessment history

  1. R1
    Toward 55 · confidence 97

    New July 2023 exact frontier-model release and deployment.

    12 Aug 2026