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OpenAI · model passport

OpenAI: GPT-5.4 Pro

gpt-5-4-pro
  • 1,050,000 context
  • Released 2026-03-05(from model name)
7/27axes covered
Best percentile
97.3GPQA Diamond
Cohort standing
72.6median 57.2

What the data says

Benchmarked on 7 of 27 tracked axes. Every figure below is the model's own published result on that board.

Strongest axes

  • 97.3 pct — GPQA Diamond (94.6%)
  • 97.1 pct — FrontierMath (50.0%)
  • 90.8 pct — SimpleBench (74.1%)

Uneven: 41.2 percentile points between its best and worst axis — 97.3 pct on GPQA Diamond versus 56.1 pct on SimpleQA Verified.

  • GPQA Diamond97.3 pct94.6%Verify →
  • FrontierMath97.1 pct50.0%Verify →
  • SimpleBench90.8 pct74.1%Verify →
  • Humanity's Last Exam89.1 pct44.3%Verify →
  • ARC-AGI-284.3 pct83.3%Verify →
  • HHEM Hallucination (Vectara)61 pct91.7%Verify →
  • SimpleQA Verified56.1 pct46.3%Verify →
  • OverallNot benchmarked
  • WebDev ArenaNot benchmarked
  • Vision ArenaNot benchmarked
  • Factuality ArenaNot benchmarked
  • Search ArenaNot benchmarked
  • Document ArenaNot benchmarked
  • Agent ArenaNot benchmarked
  • AIME (math)Not 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
  • 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.

How to run it

Use it hosted

API model IDopenai/gpt-5.4-pro
Context length1,050,000 tokens
Max output128,000 tokens
Acceptstext, image, file
Input price$30 per 1M tokens
Output price$180 per 1M tokens

API parameters this endpoint supports

Include reasoningMax completion tokensMax tokensReasoningReasoning effortResponse formatSeedStructured outputsTool choiceTool callingVerbosity

Example request

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-5.4-pro","messages":[{"role":"user","content":"Hello"}]}'

View on OpenRouter →

Identifiers, limits and prices are synced from the upstream source shown above. Any field we haven't synced is left out entirely rather than guessed.

  • gpt-5.4-pro-2026-03-05 stands at 72.6 (raw mean 82.2) — measured on 7 of 27 axes.

    standingtemplateVerify →
  • gpt-5.4-pro-2026-03-05 stands at 72.6 versus a cohort median of 57.2 across 103 models released within 180 days — above the peer median.

    cohorttemplateVerify →

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 →