GPT-5.5 Instant (June 2026)

OpenAIclosedtext

130.8Speed (tok/s) · P70 · measured

$4.35Blended $/M tok · P4 · derived

26.8Intelligence index · P73 · measured

12 msTTFT · measured

—Context

39Coding index · measured

19Agentic index · measured

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Comparisons (measured vs nearest neighbors): Qwen3.6 Plus · Qwen3.8 27B (low)

Released 2026-06-25 · 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.