Capability gains

Anthropic releases Claude 3 Opus and Sonnet

Anthropic released Claude 3 Opus and Sonnet through Claude, its generally available API and selected cloud platforms, adding stronger reasoning, vision, long-context processing and support for complex automated work.

CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM67confidence 98/100

Why it moved the index

Two frontier models combined stronger reasoning, vision and long-context handling with immediate API access and explicit support for automation across APIs and databases.

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AUDIT TRAIL

Assessment history

  1. R1
    Toward 67 · confidence 98

    New March 2024 exact frontier model release and deployment.

    12 Aug 2026