Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

Anthropicclosedtext

53.6Speed (tok/s) · P23 · measured

$2.31Blended $/M tok · P11 · derived

30.5Intelligence index · P80 · measured

10824 msTTFT · measured

—Context

63Coding index · measured

33Agentic index · measured

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Comparisons (measured vs nearest neighbors): GPT-5.5 (low) · GPT-5.6 Terra (medium)

Released 2026-02-17 · catalog data 2026-09-14 · field-level provenance shown per metric above (measured / derived / list, from the catalog sources map); percentiles computed across the 329-model catalog at generation time. Numbers are catalog-sourced and labeled as such — lab-measured lanes stay separate by design. Generated page — do not hand-edit.

Model names are trademarks of their respective owners. Not affiliated with, endorsed by, or sponsored by any provider or measurement service. Sources, attribution & corrections.