GPT-6 Astra (xhigh)

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51.1Speed (tok/s) · P21 · measured

$7.7Blended $/M tok · P0 · derived

52.5Intelligence index · P99 · measured

13589 msTTFT · measured

—Context

76Coding index · measured

51Agentic index · measured

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Comparisons (measured vs nearest neighbors): Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback) · Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)

Released 2026-09-03 · 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.