LuminaBench
OpenAI / Published benchmarks

GPT-5.5 (Codex Harness)

Benchmark results and API pricing.

Best recorded results

Benchmark scores

Best eligible score in each benchmark.

API pricing

USD / 1M tokens

Verified pricing is unavailable for this model.

Arena WebDev

Arena WebDev

Version Overall
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.

3 configurations · Publisher-run · Experimental conversion

1,024Best score · xHigh
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