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Head-to-head comparison

GPT-5.6 Sol vs. Gemini 3.1 Pro Preview

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

158

shared result series

30

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-5.6 Sol and Gemini 3.1 Pro Preview
AttributeGPT-5.6 SolGemini 3.1 Pro Preview
ProviderOpenAIGoogle
ReleasedJun 26, 2026Feb 19, 2026
AvailabilityActivePreview
Model typeProprietaryProprietary
ParametersNot publishedNot published
ArchitectureNot publishedNot published
Context window1,050,000 tokens1,048,576 tokens
Knowledge cutoffFebruary 16, 2026Not published
Technical sourcesModel, Context, Knowledge cutoffModel
API pricing per 1M tokens
API input$5 ≤272K / $10 >272K$2 ≤200K / $4 >200K
API output$30 ≤272K / $45 >272K$12 ≤200K / $18 >200K
Cache read$0.5 ≤272K / $1 >272K$0.2 ≤200K / $0.4 >200K
Cache write (5 min.)$6.25 ≤272K / $12.5 >272KNot listed
Cache write (1 hr.)Not listedNot listed
Price verified08/11/2026Source07/30/2026Source
GPT-5.6 SolGemini 3.1 Pro Preview
API inputUSD per 1M tokens, base tier
GPT-5.6 Sol$5
Gemini 3.1 Pro Preview$2Lower price
API outputUSD per 1M tokens, base tier
GPT-5.6 Sol$30
Gemini 3.1 Pro Preview$12Lower price
Cache readUSD per 1M tokens, base tier
GPT-5.6 Sol$0.5
Gemini 3.1 Pro Preview$0.2Lower 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.

158 shared result series
GPT-5.6 SolGemini 3.1 Pro Preview
Arena Text, Style ControlOverall. Higher is better. Test setup not documented as identical
GPT-5.6 Sol1,480.992 arena points
Gemini 3.1 Pro Preview1,486.245 arena pointsHigher measured value
BrowseCompOverall. Higher is better. No documented setup difference
GPT-5.6 Sol90.4 %Winner
Gemini 3.1 Pro Preview85.9 %
Code MigrationOverall. Higher is better. No documented setup difference
GPT-5.6 Sol52.916 %Winner
Gemini 3.1 Pro Preview17.313 %
CorpFin v2Overall. Higher is better. No documented setup difference
GPT-5.6 Sol64.375 %
Gemini 3.1 Pro Preview64.491 %Winner
CyberBenchOverall. Higher is better. No documented setup difference
GPT-5.6 Sol88.136 %Winner
Gemini 3.1 Pro Preview36.441 %
EMBOverall. Higher is better. No documented setup difference
GPT-5.6 Sol72.339 %Winner
Gemini 3.1 Pro Preview52.616 %
EnigmaEvalOverall. Higher is better. No documented setup difference
GPT-5.6 Sol37.12% ± 2.8No clear lead
Gemini 3.1 Pro Preview36.78% ± 2.71
Finance Agent (v2)Overall. Higher is better. No documented setup difference
GPT-5.6 Sol53.756 %Winner
Gemini 3.1 Pro Preview42.982 %
GPQA DiamondOverall. Higher is better. No documented setup difference
GPT-5.6 Sol95.2 %
Gemini 3.1 Pro Preview95.45 %Winner
Harvey's Legal Agent BenchmarkOverall · Task fully resolved. Higher is better. No documented setup difference
GPT-5.6 Sol2.5 %Winner
Gemini 3.1 Pro Preview0 %
Legal Research BenchOverall · All-pass. Higher is better. No documented setup difference
GPT-5.6 Sol48.077 %Winner
Gemini 3.1 Pro Preview20.673 %
LegalBenchOverall. Higher is better. No documented setup difference
GPT-5.6 Sol86.965 %
Gemini 3.1 Pro Preview87.398 %Winner
Benchmark scores for GPT-5.6 Sol and Gemini 3.1 Pro Preview
Benchmark and taskGPT-5.6 SolGemini 3.1 Pro PreviewComparabilitySource
Arena Text, Style ControlOverall
1,480.992 arena points
95% confidence interval: ±5.733The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,486.245 arena pointsHigher measured value
95% confidence interval: ±3.337The 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-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Gemini 3.1 Pro Preview: Snapshot: gemini-3.1-pro-preview, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 15,450 anonymous pairwise votes.Gemini 3.1 Pro Preview: Style-controlled Arena rating from 94,989 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
BrowseCompOverall
90.4 %Winner
Editorial selection from the vendor table, not a complete extract of the comparison cohort.
85.9 %
Editorial selection from the vendor table, not a complete extract of the comparison cohort.
1,266 tasksaccuracyHigher is betterCohort: browsecomp-openai-gpt-5-6-tableNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Cross-vendor comparison table with browsing tools. Exact agent systems differ.
OpenAIType: Vendor-reportedLeaderboard updated: 2026-07-09Import ID: curated-openai-2026-08-02-3d2469516088 / curated-openai-2026-08-02-6b6010847c80Retrieved 2026-08-02
Code MigrationOverall
52.916 %Winner
17.313 %
1accuracyHigher is betterCohort: vals-code-migration:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-code-migration-2026-08-16-107652dc6bfcRetrieved 2026-08-16
CorpFin v2Overall
64.375 %
64.491 %Winner
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:overallNo documented setup differenceWinner: Gemini 3.1 Pro PreviewGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-corp_fin_v2-2026-08-16-45bbf84f57abRetrieved 2026-08-16
CyberBenchOverall
88.136 %Winner
36.441 %
1accuracyHigher is betterCohort: vals-cyberbench:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-03Import ID: vals-cyber-2026-08-16-702acaee9aa9Retrieved 2026-08-16
EMBOverall
72.339 %Winner
52.616 %
1accuracyHigher is betterCohort: vals-emb:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-emb-2026-08-16-68d5d1d47a97Retrieved 2026-08-16
EnigmaEvalOverallReasoning: high
37.12% ± 2.8No clear lead
95% confidence interval: ±2.8
36.78% ± 2.71
95% confidence interval: ±2.71
open-source release 2026-07-23pass@1 accuracyHigher is betterCohort: scale-enigma-eval-2026-07-23No documented setup differenceNo clear leadGPT-5.6 Sol: Snapshot: gpt-5.6-sol-high, Reasoning: high, Attempts: pass@1
Gemini 3.1 Pro Preview: Snapshot: gemini-3.1-pro-preview-high, Reasoning: high, Attempts: pass@1
Complex multimodal puzzles with exact answer matching and one attempt.
Scale AIType: Official benchmark leaderboardLeaderboard updated: 2026-07-23Import ID: curated-scale-ai-2026-08-05-b91dbfa60eba / curated-scale-ai-2026-08-05-e31ad9c1b314Retrieved 2026-08-05
Finance Agent (v2)Overall
53.756 %Winner
42.982 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-fabv2-2026-08-16-8853da43085dRetrieved 2026-08-16
GPQA DiamondOverall
95.2 %
Small gaps are not automatically meaningful because the benchmark is saturated and noisy.
95.45 %Winner
Small gaps are not automatically meaningful because the benchmark is saturated and noisy.
DiamondaccuracyHigher is betterCohort: vals-gpqa-diamond-2026-08-01No documented setup differenceWinner: Gemini 3.1 Pro PreviewGPT-5.6 Sol: Attempts: pass@1
Gemini 3.1 Pro Preview: Attempts: pass@1
Shared Vals evaluation of the largely saturated benchmark.
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-01Import ID: curated-vals-ai-2026-08-02-40bfd78b0ea4 / curated-vals-ai-2026-08-02-68d4a57f8c33Retrieved 2026-08-02
Harvey's Legal Agent BenchmarkOverall · Task fully resolved
2.5 %Winner
0 %
1task resolution rateHigher is betterCohort: vals-legal-agent-benchmark:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-hlab-2026-08-16-bae90566df2fRetrieved 2026-08-16
Legal Research BenchOverall · All-pass
48.077 %Winner
20.673 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-legal_research-2026-08-16-af296c00ecaaRetrieved 2026-08-16
LegalBenchOverall
86.965 %
87.398 %Winner
1accuracyHigher is betterCohort: vals-legal-bench:1:overallNo documented setup differenceWinner: Gemini 3.1 Pro PreviewGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-legal_bench-2026-08-16-d5b3b1b2b5c8Retrieved 2026-08-16
LiveCodeBench v6Overall
82.604 %
88.485 %Winner
1accuracyHigher is betterCohort: vals-lcb:1:overallNo documented setup differenceWinner: Gemini 3.1 Pro PreviewGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-lcb-2026-08-16-17b9c147080dRetrieved 2026-08-16
MedCodeOverall
43.974 %
59.062 %Winner
1accuracyHigher is betterCohort: vals-medcode:1:overallNo documented setup differenceWinner: Gemini 3.1 Pro PreviewGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-medcode-2026-08-16-524f7f474eacRetrieved 2026-08-16
MedScribeOverall
85.233 %Winner
76.114 %
1accuracyHigher is betterCohort: vals-medscribe:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-medscribe-2026-08-16-c385354a7e62Retrieved 2026-08-16
MMLU-ProOverall
89.1 %
90.987 %Winner
1accuracyHigher is betterCohort: vals-mmlu-pro:1:overallNo documented setup differenceWinner: Gemini 3.1 Pro PreviewGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-mmlu_pro-2026-08-16-e14d5bb3a34cRetrieved 2026-08-16
MMMU-ProOverall
88.844 %Winner
88.208 %
1accuracyHigher is betterCohort: vals-mmmu:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmmu-2026-08-16-37c9a8c7e21fRetrieved 2026-08-16
MortgageTaxOverall
67.289 %
69.396 %Winner
1accuracyHigher is betterCohort: vals-mortgage-tax:1:overallNo documented setup differenceWinner: Gemini 3.1 Pro PreviewGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-mortgage_tax-2026-08-16-e78c985dbb1cRetrieved 2026-08-16
PRBench FinanceOverall
50.45% ± 0.33Higher measured value
95% confidence interval: ±0.33
41.87% ± 1.22
95% confidence interval: ±1.22
full finance setweighted rubric scoreHigher is betterCohort: scale-prbench-finance-fullTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-max, Reasoning: max, Attempts: pass@1
Gemini 3.1 Pro Preview: Attempts: pass@1
600 finance tasks with task-specific rubrics and o4-mini as judge.
Scale AIType: Official benchmark leaderboardImport ID: curated-scale-ai-2026-08-05-98d8a9d579fd / curated-scale-ai-2026-08-05-c33e65ae0f0eRetrieved 2026-08-05
PRBench LegalOverall
50.5% ± 0.54Higher measured value
95% confidence interval: ±0.54
44.02% ± 1.12
95% confidence interval: ±1.12
full legal setweighted rubric scoreHigher is betterCohort: scale-prbench-legal-fullTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-max, Reasoning: max, Attempts: pass@1
Gemini 3.1 Pro Preview: Attempts: pass@1
500 legal tasks with task-specific rubrics and o4-mini as judge.
Scale AIType: Official benchmark leaderboardImport ID: curated-scale-ai-2026-08-05-5caceb6c14e0 / curated-scale-ai-2026-08-05-ddea150189a5Retrieved 2026-08-05
ProgramBenchOverall
1.5 %Winner
0 %
1accuracyHigher is betterCohort: vals-programbench:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-programbench-2026-08-16-08d9727662ddRetrieved 2026-08-16
ProofBenchOverall
83 %Winner
26 %
1.1accuracyHigher is betterCohort: vals-proof-bench:1.1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-proof_bench-2026-08-16-14232db24de1Retrieved 2026-08-16
Public Benefits Bench v1.1Overall
66.509 %Winner
53.789 %
1.1accuracyHigher is betterCohort: vals-snap:1.1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-public-benefits-bench-2026-08-16-7ce68123c502Retrieved 2026-08-16
SAGEOverall
52.563 %Winner
48.677 %
1accuracyHigher is betterCohort: vals-sage:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-sage-2026-08-16-a416dd25affbRetrieved 2026-08-16
SWE-bench VerifiedOverall
96.2 %Winner
78.8 %
1accuracyHigher is betterCohort: vals-swebench:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-swebench-2026-08-16-c133071b8167Retrieved 2026-08-16
TaxEval v2Overall
74.775 %Winner
72.882 %
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-tax_eval_v2-2026-08-16-5bbd495dac53Retrieved 2026-08-16
Terminal-Bench 2.1Overall
85.768 %Winner
70.787 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-terminal-bench-2-1-2026-08-16-b3f38c18bea4Retrieved 2026-08-16
Vals IndexOverall
63.709 %Winner
41.903 %
2weighted index scoreHigher is betterCohort: vals-vals-index:2:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-vals_index-2026-08-16-ab641d89d6edRetrieved 2026-08-16
Vals Multimodal IndexOverall
72.64 %Winner
56.068 %
1.2weighted index scoreHigher is betterCohort: vals-vals-multimodal-index:1.2:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
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
80.495 %Winner
32.034 %
1.1accuracyHigher is betterCohort: vals-vibe-code-bench:1.1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: Harness: OpenHands
Gemini 3.1 Pro Preview: Harness: OpenHands
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-vibe-code-2026-08-16-a73c9770bcc4Retrieved 2026-08-16
Arena Text, Style ControlBusiness, management and finance
1,482.723 arena pointsHigher measured value
95% confidence interval: ±11.356The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,476.932 arena points
95% confidence interval: ±5.678The 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-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Gemini 3.1 Pro Preview: Snapshot: gemini-3.1-pro-preview, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 3,027 anonymous pairwise votes.Gemini 3.1 Pro Preview: Style-controlled Arena rating from 18,759 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
BrowseCompOverall
92.2 %Higher measured value
Editorial selection from the vendor table, not a complete extract of the comparison cohort.
85.9 %
Editorial selection from the vendor table, not a complete extract of the comparison cohort.
1,266 tasksaccuracyHigher is betterCohort: browsecomp-openai-gpt-5-6-tableTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: ultra
Gemini 3.1 Pro Preview: No further settings disclosed
Cross-vendor comparison table with browsing tools. Exact agent systems differ.
OpenAIType: Vendor-reportedLeaderboard updated: 2026-07-09Import ID: curated-openai-2026-08-02-aa55a6a6c756 / curated-openai-2026-08-02-6b6010847c80Retrieved 2026-08-02
Code MigrationCLI
47.221 %Higher measured value
10.833 %
1accuracyHigher is betterCohort: vals-code-migration:1:cliTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-code-migration-2026-08-11-3a2d5ce718a3Retrieved 2026-08-11
CorpFin v2Exact Pages
61.538 %Higher measured value
60.839 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:exact_pagesTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-corp_fin_v2-2026-08-11-d9e58d191cd9Retrieved 2026-08-11
CyberBenchPatch
83.051 %Winner
69.492 %
1accuracyHigher is betterCohort: vals-cyberbench:1:patchNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-03Import ID: vals-cyber-2026-08-11-1f20498a3dc1Retrieved 2026-08-11
EMBComps
71.309 %Higher measured value
44.505 %
1accuracyHigher is betterCohort: vals-emb:1:compsTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-emb-2026-08-11-e3c855e236e4Retrieved 2026-08-11
Finance Agent (v2)Adjustments
49.233 %Higher measured value
38.361 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:adjustmentsTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-fabv2-2026-08-11-3e5c93a1857cRetrieved 2026-08-11
GPQA DiamondOverall
95.202 %
95.454 %Winner
1accuracyHigher is betterCohort: vals-gpqa:1:overallNo documented setup differenceWinner: Gemini 3.1 Pro PreviewGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-gpqa-2026-08-16-7f8363eaa2dbRetrieved 2026-08-16
Legal Research BenchAdministrative / Regulatory · All-pass
60.606 %Higher measured value
24.242 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:administrative_regulatoryTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-legal_research-2026-08-11-326cf7aaca58Retrieved 2026-08-11
LegalBenchConclusion Tasks
90.492 %Higher measured value
89.257 %
1accuracyHigher is betterCohort: vals-legal-bench:1:conclusion_tasksTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-legal_bench-2026-08-11-836e5e44618eRetrieved 2026-08-11
LiveCodeBench v6Easy
98.137 %
99.068 %Higher measured value
1accuracyHigher is betterCohort: vals-lcb:1:easyTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBiology
94.561 %
95.258 %Higher measured value
1accuracyHigher is betterCohort: vals-mmlu-pro:1:biologyTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,535 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmlu_pro-2026-08-11-b8e53828d746Retrieved 2026-08-11
MortgageTaxNumerical Extraction
75.119 %
76.391 %Higher measured value
1accuracyHigher is betterCohort: vals-mortgage-tax:1:numerical_extractionTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mortgage_tax-2026-08-11-5ea6eef3e482Retrieved 2026-08-11
ProgramBenchAlmost Resolved
23 %Higher measured value
1 %
1accuracyHigher is betterCohort: vals-programbench:1:almostTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-programbench-2026-08-11-b6f8959fbdfeRetrieved 2026-08-11
SAGEAutomata
39.682 %Higher measured value
32.143 %
1accuracyHigher is betterCohort: vals-sage:1:automataTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 30,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, 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 fix
97.423 %Higher measured value
88.66 %
1accuracyHigher is betterCohort: vals-swebench:1:<15 min fixTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-08Import ID: vals-swebench-2026-08-11-a6212cd857d8Retrieved 2026-08-11
TaxEval v2Correctness
65.004 %Higher measured value
60.749 %
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:correctnessTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,535 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-tax_eval_v2-2026-08-11-d05a40bf446fRetrieved 2026-08-11
Terminal-Bench 2.1Easy
91.667 %No direct winner
91.667 %No direct winner
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:easyTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-terminal-bench-2-1-2026-08-11-8f0ebd72a609Retrieved 2026-08-11
Vals IndexCorpFin v2
66.434 %Higher measured value
65.734 %
1.2benchmark scoreHigher is betterCohort: vals-vals-index:1.2:corp_fin_v2Test setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-vals_index-2026-08-11-e79d08d59249Retrieved 2026-08-11
Vals Multimodal IndexCorpFin v2
66.434 %Higher measured value
65.734 %
1.2benchmark scoreHigher is betterCohort: vals-vals-multimodal-index:1.2:corp_fin_v2Test setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-vals_multimodal_index-2026-08-11-fa704862df19Retrieved 2026-08-11
Arena Text, Style ControlChinese
1,542.002 arena pointsHigher measured value
95% confidence interval: ±19.125The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,531.944 arena points
95% confidence interval: ±9.483The 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:chineseTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Gemini 3.1 Pro Preview: Snapshot: gemini-3.1-pro-preview, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 1,063 anonymous pairwise votes.Gemini 3.1 Pro Preview: Style-controlled Arena rating from 5,308 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCOBOL
70 %Higher measured value
36.753 %
1accuracyHigher is betterCohort: vals-code-migration:1:cobolTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-code-migration-2026-08-11-3a2d5ce718a3Retrieved 2026-08-11
CorpFin v2Max Fitting Context
65.152 %
66.9 %Higher measured value
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:max_fitting_contextTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-corp_fin_v2-2026-08-11-d9e58d191cd9Retrieved 2026-08-11
CyberBenchPoC
93.22 %Winner
3.39 %
1accuracyHigher is betterCohort: vals-cyberbench:1:pocNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Gemini 3.1 Pro Preview: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-03Import ID: vals-cyber-2026-08-11-1f20498a3dc1Retrieved 2026-08-11
EMBDataroom
85.243 %Higher measured value
79.17 %
1accuracyHigher is betterCohort: vals-emb:1:dataroomTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-emb-2026-08-11-e3c855e236e4Retrieved 2026-08-11
Finance Agent (v2)All-Pass
41.362 %Higher measured value
30.879 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:all_passTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-fabv2-2026-08-11-3e5c93a1857cRetrieved 2026-08-11
GPQA DiamondFew-Shot CoT
94.949 %
95.96 %Higher measured value
1accuracyHigher is betterCohort: vals-gpqa:1:diamond_few_shot_cotTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,535 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 credit
90.69 %Higher measured value
79.215 %
1weighted partial-credit scoreHigher is betterCohort: vals-legal-research:1:weighted_pass__administrative_regulatoryTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-legal_research-2026-08-11-326cf7aaca58Retrieved 2026-08-11
LegalBenchInterpretation Tasks
84.398 %Higher measured value
83.823 %
1accuracyHigher is betterCohort: vals-legal-bench:1:interpretation_tasksTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-legal_bench-2026-08-11-836e5e44618eRetrieved 2026-08-11
LiveCodeBench v6Hard
67.429 %
76.571 %Higher measured value
1accuracyHigher is betterCohort: vals-lcb:1:hardTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBusiness
93.283 %
93.409 %Higher measured value
1accuracyHigher is betterCohort: vals-mmlu-pro:1:businessTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,535 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmlu_pro-2026-08-11-b8e53828d746Retrieved 2026-08-11
MortgageTaxSemantic Extraction
59.459 %
62.401 %Higher measured value
1accuracyHigher is betterCohort: vals-mortgage-tax:1:semantic_extractionTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mortgage_tax-2026-08-11-5ea6eef3e482Retrieved 2026-08-11
ProgramBenchFully Resolved
1.5 %Higher measured value
0 %
1accuracyHigher is betterCohort: vals-programbench:1:strictTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 128,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-programbench-2026-08-11-b6f8959fbdfeRetrieved 2026-08-11
SAGECalculus
67.284 %
78.395 %Higher measured value
1accuracyHigher is betterCohort: vals-sage:1:calculusTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Reasoning: max, Output limit: 30,000 tokens
Gemini 3.1 Pro Preview: Reasoning: high, Temperature: 1, Output limit: 30,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-sage-2026-08-11-f1f79f6d8af3Retrieved 2026-08-11

The table shows 64 diversified result series from 158 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.