LuminaBench
OpenAI / Published benchmarks

GPT-5 Nano

Benchmark results and API pricing.

Best recorded results

Benchmark scores

Best eligible score in each benchmark.

ARC-AGI-2927High · ExperimentalGPQA Diamond1,004High · ExperimentalMystery Game Puzzles936Medium · ExperimentalLumina Reasoning Index954High · 3/3 Observed · Experimental

API pricing

USD / 1M tokens

Verified pricing is unavailable for this model.

ARC-AGI-2

ARC-AGI-2

Version 2
Lumina VerifiedLumina checked the published sources, versions, model labels, score extraction and conversion. External evaluations were run by their publishers; Lumina has not independently rerun or reproduced them.

4 configurations · Publisher-run · Experimental conversion

927Best score · High
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GPQA Diamond

GPQA Diamond

Version Diamond-198
Lumina VerifiedLumina checked the published sources, versions, model labels, score extraction and conversion. External evaluations were run by their publishers; Lumina has not independently rerun or reproduced them.

4 configurations · Publisher-run · Experimental conversion

1,004Best score · High
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Mystery Game Puzzles

Mystery Game Puzzles

Version Puzzles-100
Lumina VerifiedLumina checked the published sources, versions, model labels, score extraction and conversion. External evaluations were run by their publishers; Lumina has not independently rerun or reproduced them.

4 configurations · Publisher-run · Experimental conversion

936Best score · Medium
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Lumina Reasoning Index

Version 3
By LuminaIndex designed by LuminaBench using attributed, publisher-run benchmarks. Lumina did not rerun those evaluations.

4 configurations · Derived from published benchmarks · Experimental · 3/3 Observed

954Measured score · High
Explore Lumina Reasoning Index