LuminaBench
openai / Published benchmarks

GPT 5.4 Nano

Benchmark results and API pricing.

Best recorded results

Benchmark scores

Best eligible score in each benchmark.

Legal Research Bench873High · ExperimentalLegalBench996High · ExperimentalMedCode994High · ExperimentalMedScribe989High · ExperimentalTax Agent Bench883High · Experimental

API pricing

USD / 1M tokens

Verified pricing is unavailable for this model.

Legal Research Bench

Legal Research Bench

Version 1-updated-2026-11-05
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.

1 configuration · Publisher-run · Experimental conversion

873Best score · High
Explore Legal Research Bench
LegalBench

LegalBench

Version 1-updated-2026-10-13
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.

1 configuration · Publisher-run · Experimental conversion

996Best score · High
Explore LegalBench
MedCode

MedCode

Version 1-updated-2026-10-29
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.

1 configuration · Publisher-run · Experimental conversion

994Best score · High
Explore MedCode
MedScribe

MedScribe

Version 1-updated-2026-10-29
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.

1 configuration · Publisher-run · Experimental conversion

989Best score · High
Explore MedScribe
Tax Agent Bench

Tax Agent Bench

Version 1-updated-2026-11-05
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.

1 configuration · Publisher-run · Experimental conversion

883Best score · High
Explore Tax Agent Bench