OpenAI · model passport

gpt-5.5-pro-pre-release

gpt-5-5-pro-pre-release

Best percentile: 100.0AIME (math)
Composite standing: 74.1shrunk · 3/27 axes

What the data says

Benchmarked on 3 of 27 tracked axes. Every figure below is the model's own published result on that board.

Strongest axes

100 pct — AIME (math) (100.0%)
100 pct — FrontierMath (52.4%)
94.6 pct — GPQA Diamond (93.9%)

Uneven: 5.4 percentile points between its best and worst axis — 100 pct on AIME (math) versus 94.6 pct on GPQA Diamond.

AIME (math)100 pct100.0%Verify →
FrontierMath100 pct52.4%Verify →
GPQA Diamond94.6 pct93.9%Verify →
OverallNot benchmarked
WebDev ArenaNot benchmarked
Vision ArenaNot benchmarked
Factuality ArenaNot benchmarked
Search ArenaNot benchmarked
Document ArenaNot benchmarked
Agent ArenaNot benchmarked
SimpleQA VerifiedNot benchmarked
ARC-AGI-2Not benchmarked
Humanity's Last ExamNot benchmarked
SimpleBenchNot benchmarked
LiveBenchNot benchmarked
BFCL v4 (function calling)Not benchmarked
SWE-bench Verified (live board)Not benchmarked
Terminal-Bench 4.0Not benchmarked
MMLU-Pro (Artificial Analysis)Not benchmarked
LiveCodeBench (Artificial Analysis)Not benchmarked
IFBench (Artificial Analysis)Not benchmarked
HHEM Hallucination (Vectara)Not benchmarked
SWE-bench VerifiedNot benchmarked
Terminal-BenchNot benchmarked
CodingNot benchmarked
Instruction followingNot benchmarked
Hard promptsNot benchmarked

Percentiles are the model's standing within each board's own population. Axes marked "not benchmarked" have no published result for this model — that is an absence of data, not a low score.

gpt-5.5-pro-pre-release stands at 74.1 (raw mean 98.2) — measured on 3 of 27 axes.
standingtemplateVerify →

Every claim is a computed fact from the current board data, phrased by a low-temperature model call and rejected by a validation gate if any number is not in the source row. How the leaderboards work →