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Head-to-head comparison

GPT-5.5 vs. GPT-5.4 mini

Compare published benchmark results from matching versions and cohorts, API pricing, and technical specifications. Any documented test setup differences remain visible.

172

shared result series

21

distinct benchmarks

2026-08-16

latest retrieval

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Specifications and cost

General specifications and standard API pricing

Undisclosed parameter counts and knowledge cutoffs stay marked as unavailable. The table shows direct standard token pricing, including documented context tiers. Batch, fast, priority, regional surcharges, tool calls, and cloud platform pricing are excluded.

Specifications and API pricing for GPT-5.5 and GPT-5.4 mini
AttributeGPT-5.5GPT-5.4 mini
ProviderOpenAIOpenAI
ReleasedApr 2026Mar 2026
AvailabilityActiveActive
Model typeProprietaryProprietary
ParametersNot publishedNot published
ArchitectureNot publishedNot published
Context window1,050,000 tokens400,000 tokens
Knowledge cutoffDecember 1, 2025August 31, 2025
Technical sourcesModelModel
API pricing per 1M tokens
API input$5 ≤272K / $10 >272K$0.75
API output$30 ≤272K / $45 >272K$4.5
Cache read$0.5 ≤272K / $1 >272K$0.07
Cache write (5 min.)Not listedNot listed
Cache write (1 hr.)Not listedNot listed
Price verified07/30/2026Source07/30/2026Source
GPT-5.5GPT-5.4 mini
API inputUSD per 1M tokens, base tier
GPT-5.5$5
GPT-5.4 mini$0.75Lower price
API outputUSD per 1M tokens, base tier
GPT-5.5$30
GPT-5.4 mini$4.5Lower price
Cache readUSD per 1M tokens, base tier
GPT-5.5$0.5
GPT-5.4 mini$0.075Lower price

Performance

Shared benchmarks

Only published results with the same benchmark version, task, metric, and comparison cohort are paired. Different reasoning levels, agents, harnesses, or output limits appear directly in the table.

172 shared result series
GPT-5.5GPT-5.4 mini
Arena Text, Style ControlOverall. Higher is better. Test setup not documented as identical
GPT-5.51,476.591 arena pointsHigher measured value
GPT-5.4 mini1,448.205 arena points
Code MigrationOverall. Higher is better. No documented setup difference
GPT-5.545.161 %Winner
GPT-5.4 mini12.936 %
CorpFin v2Overall. Higher is better. No documented setup difference
GPT-5.568.415 %Winner
GPT-5.4 mini60.917 %
EMBOverall. Higher is better. No documented setup difference
GPT-5.564.543 %Winner
GPT-5.4 mini45.426 %
Finance Agent (v2)Overall. Higher is better. No documented setup difference
GPT-5.551.76 %Winner
GPT-5.4 mini45.36 %
GPQA DiamondOverall. Higher is better. No documented setup difference
GPT-5.593.182 %Winner
GPT-5.4 mini83.08 %
Harvey's Legal Agent BenchmarkOverall · Task fully resolved. Higher is better. No documented setup difference
GPT-5.53.75 %Winner
GPT-5.4 mini0 %
Legal Research BenchOverall · All-pass. Higher is better. No documented setup difference
GPT-5.540.385 %Winner
GPT-5.4 mini12.5 %
LiveCodeBench v6Overall. Higher is better. No documented setup difference
GPT-5.585.296 %Winner
GPT-5.4 mini81.465 %
MMLU-ProOverall. Higher is better. No documented setup difference
GPT-5.588.144 %Winner
GPT-5.4 mini84.554 %
MMMU-ProOverall. Higher is better. No documented setup difference
GPT-5.588.266 %Winner
GPT-5.4 mini79.249 %
MortgageTaxOverall. Higher is better. No documented setup difference
GPT-5.568.76 %Winner
GPT-5.4 mini63.514 %
Benchmark scores for GPT-5.5 and GPT-5.4 mini
Benchmark and taskGPT-5.5GPT-5.4 miniComparabilitySource
Arena Text, Style ControlOverall
1,476.591 arena pointsHigher measured value
95% confidence interval: ±4.028The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,448.205 arena points
95% confidence interval: ±3.859The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
style-control-v1style-controlled Bradley-Terry ratingHigher is betterCohort: lmarena-text-style-control:2026-08-12:overallTest setup not documented as identicalNo direct winnerGPT-5.5: Snapshot: gpt-5.5, Harness: Arena text, style control
GPT-5.4 mini: Snapshot: gpt-5.4-mini-high, Reasoning: high, Harness: Arena text, style control
GPT-5.5: Style-controlled Arena rating from 56,647 anonymous pairwise votes.GPT-5.4 mini: Style-controlled Arena rating from 59,631 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationOverall
45.161 %Winner
12.936 %
1accuracyHigher is betterCohort: vals-code-migration:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-code-migration-2026-08-16-107652dc6bfcRetrieved 2026-08-16
CorpFin v2Overall
68.415 %Winner
60.917 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-corp_fin_v2-2026-08-16-45bbf84f57abRetrieved 2026-08-16
EMBOverall
64.543 %Winner
45.426 %
1accuracyHigher is betterCohort: vals-emb:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-emb-2026-08-16-68d5d1d47a97Retrieved 2026-08-16
Finance Agent (v2)Overall
51.76 %Winner
45.36 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-fabv2-2026-08-16-8853da43085dRetrieved 2026-08-16
GPQA DiamondOverall
93.182 %Winner
83.08 %
1accuracyHigher is betterCohort: vals-gpqa:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-gpqa-2026-08-16-7f8363eaa2dbRetrieved 2026-08-16
Harvey's Legal Agent BenchmarkOverall · Task fully resolved
3.75 %Winner
0 %
1task resolution rateHigher is betterCohort: vals-legal-agent-benchmark:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-hlab-2026-08-16-bae90566df2fRetrieved 2026-08-16
Legal Research BenchOverall · All-pass
40.385 %Winner
12.5 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-legal_research-2026-08-16-af296c00ecaaRetrieved 2026-08-16
LiveCodeBench v6Overall
85.296 %Winner
81.465 %
1accuracyHigher is betterCohort: vals-lcb:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-lcb-2026-08-16-17b9c147080dRetrieved 2026-08-16
MMLU-ProOverall
88.144 %Winner
84.554 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-mmlu_pro-2026-08-16-e14d5bb3a34cRetrieved 2026-08-16
MMMU-ProOverall
88.266 %Winner
79.249 %
1accuracyHigher is betterCohort: vals-mmmu:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmmu-2026-08-16-37c9a8c7e21fRetrieved 2026-08-16
MortgageTaxOverall
68.76 %Winner
63.514 %
1accuracyHigher is betterCohort: vals-mortgage-tax:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-mortgage_tax-2026-08-16-e78c985dbb1cRetrieved 2026-08-16
ProgramBenchOverall
0.5 %Winner
0 %
1accuracyHigher is betterCohort: vals-programbench:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-programbench-2026-08-16-08d9727662ddRetrieved 2026-08-16
SAGEOverall
51.532 %Winner
50.813 %
1accuracyHigher is betterCohort: vals-sage:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-sage-2026-08-16-a416dd25affbRetrieved 2026-08-16
SWE-bench VerifiedOverall
82.6 %Winner
73 %
1accuracyHigher is betterCohort: vals-swebench:1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-swebench-2026-08-16-c133071b8167Retrieved 2026-08-16
TaxEval v2Overall
74.98 %Winner
71.218 %
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-tax_eval_v2-2026-08-16-5bbd495dac53Retrieved 2026-08-16
Terminal-Bench 2.0Overall
73.202 %Winner
44.944 %
2.0accuracyHigher is betterCohort: vals-terminal-bench-2:2.0:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-06-04Import ID: vals-terminal-bench-2-2026-08-16-0d39f2e25723Retrieved 2026-08-16
Terminal-Bench 2.1Overall
76.404 %Winner
54.682 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-terminal-bench-2-1-2026-08-16-b3f38c18bea4Retrieved 2026-08-16
Vals IndexOverall
57.411 %Winner
39.632 %
2weighted index scoreHigher is betterCohort: vals-vals-index:2:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-vals_index-2026-08-16-ab641d89d6edRetrieved 2026-08-16
Vals Multimodal IndexOverall
68.071 %Winner
54.219 %
1.2weighted index scoreHigher is betterCohort: vals-vals-multimodal-index:1.2:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: No further settings disclosed
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-11Import ID: vals-vals_multimodal_index-2026-08-16-9f3ebb221408Retrieved 2026-08-16
Vibe Code Bench v1.1Overall
69.847 %Winner
47.969 %
1.1accuracyHigher is betterCohort: vals-vibe-code-bench:1.1:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: Harness: OpenHands
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Harness: OpenHands
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-vibe-code-2026-08-16-a73c9770bcc4Retrieved 2026-08-16
Arena Text, Style ControlOverallReasoning: high
1,481.794 arena pointsWinner
95% confidence interval: ±4.053The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,448.205 arena points
95% confidence interval: ±3.859The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
style-control-v1style-controlled Bradley-Terry ratingHigher is betterCohort: lmarena-text-style-control:2026-08-12:overallNo documented setup differenceWinner: GPT-5.5GPT-5.5: Snapshot: gpt-5.5-high, Reasoning: high, Harness: Arena text, style control
GPT-5.4 mini: Snapshot: gpt-5.4-mini-high, Reasoning: high, Harness: Arena text, style control
GPT-5.5: Style-controlled Arena rating from 55,322 anonymous pairwise votes.GPT-5.4 mini: Style-controlled Arena rating from 59,631 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCLIReasoning: xhigh
36.882 %Winner
8.2 %
1accuracyHigher is betterCohort: vals-code-migration:1:cliNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-code-migration-2026-08-11-3a2d5ce718a3Retrieved 2026-08-11
CorpFin v2Exact PagesReasoning: xhigh
65.618 %Winner
61.538 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:exact_pagesNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-corp_fin_v2-2026-08-11-d9e58d191cd9Retrieved 2026-08-11
EMBCompsReasoning: xhigh
64.681 %Winner
40.488 %
1accuracyHigher is betterCohort: vals-emb:1:compsNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-emb-2026-08-11-e3c855e236e4Retrieved 2026-08-11
Finance Agent (v2)AdjustmentsReasoning: xhigh
45.74 %Winner
45.366 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:adjustmentsNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-fabv2-2026-08-11-3e5c93a1857cRetrieved 2026-08-11
GPQA DiamondFew-Shot CoTReasoning: xhigh
93.434 %Winner
84.848 %
1accuracyHigher is betterCohort: vals-gpqa:1:diamond_few_shot_cotNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-gpqa-2026-08-11-d3325290a404Retrieved 2026-08-11
Legal Research BenchAdministrative / Regulatory · All-passReasoning: xhigh
53.03 %Winner
15.152 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:administrative_regulatoryNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-legal_research-2026-08-11-326cf7aaca58Retrieved 2026-08-11
LiveCodeBench v6EasyReasoning: xhigh
98.447 %Winner
97.826 %
1accuracyHigher is betterCohort: vals-lcb:1:easyNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBiologyReasoning: xhigh
94.003 %Winner
91.353 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:biologyNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmlu_pro-2026-08-11-b8e53828d746Retrieved 2026-08-11
MortgageTaxNumerical ExtractionReasoning: xhigh
76.153 %
79.412 %Winner
1accuracyHigher is betterCohort: vals-mortgage-tax:1:numerical_extractionNo documented setup differenceWinner: GPT-5.4 miniGPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mortgage_tax-2026-08-11-5ea6eef3e482Retrieved 2026-08-11
ProgramBenchAlmost ResolvedReasoning: xhigh
9.5 %Winner
3 %
1accuracyHigher is betterCohort: vals-programbench:1:almostNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-programbench-2026-08-11-b6f8959fbdfeRetrieved 2026-08-11
SAGEAutomataReasoning: xhigh
40.476 %
41.27 %Higher measured value
1accuracyHigher is betterCohort: vals-sage:1:automataTest setup not documented as identicalNo direct winnerGPT-5.5: Reasoning: xhigh, Temperature: 1, Output limit: 30,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 30,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-sage-2026-08-11-f1f79f6d8af3Retrieved 2026-08-11
SWE-bench Verified<15 min fixReasoning: xhigh
91.753 %Winner
85.567 %
1accuracyHigher is betterCohort: vals-swebench:1:<15 min fixNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-08Import ID: vals-swebench-2026-08-11-a6212cd857d8Retrieved 2026-08-11
TaxEval v2CorrectnessReasoning: xhigh
65.495 %Winner
63.042 %
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:correctnessNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-tax_eval_v2-2026-08-11-d05a40bf446fRetrieved 2026-08-11
Terminal-Bench 2.0EasyReasoning: high
85 %Winner
75 %
2.0accuracyHigher is betterCohort: vals-terminal-bench-2:2.0:easyNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: high, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: high, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-06-04Import ID: vals-terminal-bench-2-2026-08-11-d91717be20e6Retrieved 2026-08-11
Terminal-Bench 2.1EasyReasoning: high
83.333 %Winner
75 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:easyNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: high, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: high, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-terminal-bench-2-1-2026-08-11-8f0ebd72a609Retrieved 2026-08-11
Vals IndexCorpFin v2Reasoning: xhigh
69.58 %Winner
60.256 %
1.2benchmark scoreHigher is betterCohort: vals-vals-index:1.2:corp_fin_v2No documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-vals_index-2026-08-11-e79d08d59249Retrieved 2026-08-11
Vals Multimodal IndexCorpFin v2Reasoning: xhigh
69.58 %Winner
60.256 %
1.2benchmark scoreHigher is betterCohort: vals-vals-multimodal-index:1.2:corp_fin_v2No documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-vals_multimodal_index-2026-08-11-fa704862df19Retrieved 2026-08-11
Arena Text, Style ControlBusiness, management and finance
1,486.534 arena pointsHigher measured value
95% confidence interval: ±6.991The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,460.132 arena points
95% confidence interval: ±6.68The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
style-control-v1style-controlled Bradley-Terry ratingHigher is betterCohort: lmarena-text-style-control:2026-08-12:industry_business_and_management_and_financial_operationsTest setup not documented as identicalNo direct winnerGPT-5.5: Snapshot: gpt-5.5, Harness: Arena text, style control
GPT-5.4 mini: Snapshot: gpt-5.4-mini-high, Reasoning: high, Harness: Arena text, style control
GPT-5.5: Style-controlled Arena rating from 11,314 anonymous pairwise votes.GPT-5.4 mini: Style-controlled Arena rating from 12,114 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCOBOLReasoning: xhigh
70 %Winner
27.143 %
1accuracyHigher is betterCohort: vals-code-migration:1:cobolNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-code-migration-2026-08-11-3a2d5ce718a3Retrieved 2026-08-11
CorpFin v2Max Fitting ContextReasoning: xhigh
70.047 %Winner
60.956 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:max_fitting_contextNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-corp_fin_v2-2026-08-11-d9e58d191cd9Retrieved 2026-08-11
EMBDataroomReasoning: xhigh
81.227 %Winner
48.286 %
1accuracyHigher is betterCohort: vals-emb:1:dataroomNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-emb-2026-08-11-e3c855e236e4Retrieved 2026-08-11
Finance Agent (v2)All-PassReasoning: xhigh
39.562 %Winner
32.369 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:all_passNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-fabv2-2026-08-11-3e5c93a1857cRetrieved 2026-08-11
GPQA DiamondZero-Shot CoTReasoning: xhigh
92.929 %Winner
81.313 %
1accuracyHigher is betterCohort: vals-gpqa:1:diamond_zero_shot_cotNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-gpqa-2026-08-11-d3325290a404Retrieved 2026-08-11
Legal Research BenchAdministrative / Regulatory · Weighted partial creditReasoning: xhigh
86.669 %Winner
69.72 %
1weighted partial-credit scoreHigher is betterCohort: vals-legal-research:1:weighted_pass__administrative_regulatoryNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-legal_research-2026-08-11-326cf7aaca58Retrieved 2026-08-11
LiveCodeBench v6HardReasoning: xhigh
69.714 %Winner
61.714 %
1accuracyHigher is betterCohort: vals-lcb:1:hardNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBusinessReasoning: xhigh
92.015 %Winner
89.734 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:businessNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmlu_pro-2026-08-11-b8e53828d746Retrieved 2026-08-11
MortgageTaxSemantic ExtractionReasoning: xhigh
61.367 %Winner
47.615 %
1accuracyHigher is betterCohort: vals-mortgage-tax:1:semantic_extractionNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mortgage_tax-2026-08-11-5ea6eef3e482Retrieved 2026-08-11
ProgramBenchFully ResolvedReasoning: xhigh
0.5 %Winner
0 %
1accuracyHigher is betterCohort: vals-programbench:1:strictNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-programbench-2026-08-11-b6f8959fbdfeRetrieved 2026-08-11
SAGECalculusReasoning: xhigh
72.222 %Higher measured value
59.259 %
1accuracyHigher is betterCohort: vals-sage:1:calculusTest setup not documented as identicalNo direct winnerGPT-5.5: Reasoning: xhigh, Temperature: 1
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 30,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-sage-2026-08-11-f1f79f6d8af3Retrieved 2026-08-11
SWE-bench Verified>4 hoursReasoning: xhigh
66.667 %Winner
0 %
1accuracyHigher is betterCohort: vals-swebench:1:>4 hoursNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-08Import ID: vals-swebench-2026-08-11-a6212cd857d8Retrieved 2026-08-11
TaxEval v2Stepwise ReasoningReasoning: xhigh
84.464 %Winner
79.395 %
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:stepwise_reasoningNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-tax_eval_v2-2026-08-11-d05a40bf446fRetrieved 2026-08-11
Terminal-Bench 2.0HardReasoning: high
60.5 %Winner
24.444 %
2.0accuracyHigher is betterCohort: vals-terminal-bench-2:2.0:hardNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: high, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: high, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-06-04Import ID: vals-terminal-bench-2-2026-08-11-d91717be20e6Retrieved 2026-08-11
Terminal-Bench 2.1HardReasoning: high
66.667 %Winner
34.444 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:hardNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: high, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: high, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-terminal-bench-2-1-2026-08-11-8f0ebd72a609Retrieved 2026-08-11
Vals IndexFinance Agent v2Reasoning: xhigh
51.834 %Winner
45.407 %
1.2benchmark scoreHigher is betterCohort: vals-vals-index:1.2:finance_agentNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-vals_index-2026-08-11-e79d08d59249Retrieved 2026-08-11
Vals Multimodal IndexFinance Agent v2Reasoning: xhigh
51.834 %Winner
45.407 %
1.2benchmark scoreHigher is betterCohort: vals-vals-multimodal-index:1.2:finance_agentNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-vals_multimodal_index-2026-08-11-fa704862df19Retrieved 2026-08-11
Arena Text, Style ControlBusiness, management and financeReasoning: high
1,489.293 arena pointsWinner
95% confidence interval: ±6.974The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,460.132 arena points
95% confidence interval: ±6.68The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
style-control-v1style-controlled Bradley-Terry ratingHigher is betterCohort: lmarena-text-style-control:2026-08-12:industry_business_and_management_and_financial_operationsNo documented setup differenceWinner: GPT-5.5GPT-5.5: Snapshot: gpt-5.5-high, Reasoning: high, Harness: Arena text, style control
GPT-5.4 mini: Snapshot: gpt-5.4-mini-high, Reasoning: high, Harness: Arena text, style control
GPT-5.5: Style-controlled Arena rating from 11,166 anonymous pairwise votes.GPT-5.4 mini: Style-controlled Arena rating from 12,114 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCode QualityReasoning: xhigh
3.498 / 5Winner
3.053 / 5
1mean reviewer code-quality ratingHigher is betterCohort: vals-code-migration:1:code_qualityNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-code-migration-2026-08-11-3a2d5ce718a3Retrieved 2026-08-11
CorpFin v2Shared Max ContextReasoning: xhigh
69.58 %Winner
60.256 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:shared_max_contextNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-corp_fin_v2-2026-08-11-d9e58d191cd9Retrieved 2026-08-11
EMBDCFReasoning: xhigh
56.736 %Winner
40.605 %
1accuracyHigher is betterCohort: vals-emb:1:dcfNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-emb-2026-08-11-e3c855e236e4Retrieved 2026-08-11
Finance Agent (v2)ComparablesReasoning: xhigh
43.653 %Winner
40.273 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:comparablesNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-fabv2-2026-08-11-3e5c93a1857cRetrieved 2026-08-11
Legal Research BenchBusiness & Commercial · All-passReasoning: xhigh
37.209 %Winner
11.628 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:business_commercialNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-legal_research-2026-08-11-326cf7aaca58Retrieved 2026-08-11
LiveCodeBench v6MediumReasoning: xhigh
87.728 %Winner
84.856 %
1accuracyHigher is betterCohort: vals-lcb:1:mediumNo documented setup differenceWinner: GPT-5.5GPT-5.5: Reasoning: xhigh, Output limit: 128,000 tokens
GPT-5.4 mini: Snapshot: gpt-5.4-mini-2026-03-17, Reasoning: xhigh, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11

The table shows 64 diversified result series from 172 shared results. This prevents one benchmark with many subtasks from crowding out every other test.

How to read this comparison

Winning one benchmark is not an overall verdict

Your workload, budget, and required context length matter most. A coding benchmark says little about visual understanding or agent performance.

Prices use official API rates per 1M tokens. Web subscriptions and cloud platform surcharges can differ.

Every result links to its measurement source and retrieval date. Labels distinguish vendor reports, official benchmark leaderboards, and independent evaluations. Disputed or archived results are excluded.