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Head-to-head comparison

Gemini 3.5 Flash vs. DeepSeek-V4-Pro

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

191

shared result series

24

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 Gemini 3.5 Flash and DeepSeek-V4-Pro
AttributeGemini 3.5 FlashDeepSeek-V4-Pro
ProviderGoogleDeepSeek
ReleasedMay 19, 2026Apr 24, 2026
AvailabilityActivePreview
Model typeProprietaryOpen Weights
ParametersNot published1.6T, 49B active
ArchitectureNot publishedMixture of Experts
Context window1,048,576 tokens1,000,000 tokens
Knowledge cutoffNot publishedNot published
Technical sourcesModelModel, Context
API pricing per 1M tokens
API input$1.5$0.43
API output$9$0.87
Cache read$0.15$0.
Cache write (5 min.)Not listedNot listed
Cache write (1 hr.)Not listedNot listed
Price verified07/30/2026Source07/30/2026Source
Gemini 3.5 FlashDeepSeek-V4-Pro
API inputUSD per 1M tokens, base tier
Gemini 3.5 Flash$1.5
DeepSeek-V4-Pro$0.435Lower price
API outputUSD per 1M tokens, base tier
Gemini 3.5 Flash$9
DeepSeek-V4-Pro$0.87Lower price
Cache readUSD per 1M tokens, base tier
Gemini 3.5 Flash$0.15
DeepSeek-V4-Pro$0.004Lower 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.

191 shared result series
Gemini 3.5 FlashDeepSeek-V4-Pro
Arena Text, Style ControlOverall. Higher is better. No documented setup difference
Gemini 3.5 Flash1,477.219 arena pointsWinner
DeepSeek-V4-Pro1,455.61 arena points
Code MigrationOverall. Higher is better. No documented setup difference
Gemini 3.5 Flash26.745 %Winner
DeepSeek-V4-Pro26.201 %
CorpFin v2Overall. Higher is better. No documented setup difference
Gemini 3.5 Flash64.686 %Winner
DeepSeek-V4-Pro61.383 %
CyberBenchOverall. Higher is better. No documented setup difference
Gemini 3.5 Flash69.331 %Winner
DeepSeek-V4-Pro68.644 %
EMBOverall. Higher is better. No documented setup difference
Gemini 3.5 Flash63.548 %Winner
DeepSeek-V4-Pro51.623 %
Finance Agent (v2)Overall. Higher is better. No documented setup difference
Gemini 3.5 Flash57.861 %Winner
DeepSeek-V4-Pro44.083 %
GPQA DiamondOverall. Higher is better. No documented setup difference
Gemini 3.5 Flash92.676 %Winner
DeepSeek-V4-Pro89.394 %
Harvey's Legal Agent BenchmarkOverall · Task fully resolved. Higher is better. No documented setup difference
Gemini 3.5 Flash2.5 %
DeepSeek-V4-Pro3.75 %Winner
Legal Research BenchOverall · All-pass. Higher is better. No documented setup difference
Gemini 3.5 Flash30.769 %Winner
DeepSeek-V4-Pro23.077 %
LegalBenchOverall. Higher is better. No documented setup difference
Gemini 3.5 Flash83.602 %Winner
DeepSeek-V4-Pro80.323 %
LiveCodeBench v6Overall. Higher is better. No documented setup difference
Gemini 3.5 Flash87.604 %Winner
DeepSeek-V4-Pro87.484 %
MedCodeOverall. Higher is better. No documented setup difference
Gemini 3.5 Flash55.825 %Winner
DeepSeek-V4-Pro40.455 %
Benchmark scores for Gemini 3.5 Flash and DeepSeek-V4-Pro
Benchmark and taskGemini 3.5 FlashDeepSeek-V4-ProComparabilitySource
Arena Text, Style ControlOverallReasoning: high
1,477.219 arena pointsWinner
95% confidence interval: ±4.669The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,455.61 arena points
95% confidence interval: ±4.089The 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: Gemini 3.5 FlashGemini 3.5 Flash: Snapshot: gemini-3.5-flash-high, Reasoning: high, Harness: Arena text, style control
DeepSeek-V4-Pro: Snapshot: deepseek-v4-pro-high-preview, Reasoning: high, Harness: Arena text, style control
Gemini 3.5 Flash: Style-controlled Arena rating from 25,746 anonymous pairwise votes.DeepSeek-V4-Pro: Style-controlled Arena rating from 51,670 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationOverall
26.745 %Winner
26.201 %
1accuracyHigher is betterCohort: vals-code-migration:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: 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
64.686 %Winner
61.383 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: 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
69.331 %Winner
68.644 %
1accuracyHigher is betterCohort: vals-cyberbench:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-03Import ID: vals-cyber-2026-08-16-702acaee9aa9Retrieved 2026-08-16
EMBOverall
63.548 %Winner
51.623 %
1accuracyHigher is betterCohort: vals-emb:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-emb-2026-08-16-68d5d1d47a97Retrieved 2026-08-16
Finance Agent (v2)Overall
57.861 %Winner
44.083 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-fabv2-2026-08-16-8853da43085dRetrieved 2026-08-16
GPQA DiamondOverall
92.676 %Winner
89.394 %
1accuracyHigher is betterCohort: vals-gpqa:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
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
2.5 %
3.75 %Winner
1task resolution rateHigher is betterCohort: vals-legal-agent-benchmark:1:overallNo documented setup differenceWinner: DeepSeek-V4-ProGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: 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
30.769 %Winner
23.077 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-legal_research-2026-08-16-af296c00ecaaRetrieved 2026-08-16
LegalBenchOverall
83.602 %Winner
80.323 %
1accuracyHigher is betterCohort: vals-legal-bench:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: 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
87.604 %Winner
87.484 %
1accuracyHigher is betterCohort: vals-lcb:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-lcb-2026-08-16-17b9c147080dRetrieved 2026-08-16
MedCodeOverall
55.825 %Winner
40.455 %
1accuracyHigher is betterCohort: vals-medcode:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-medcode-2026-08-16-524f7f474eacRetrieved 2026-08-16
MedScribeOverall
76.574 %Winner
75.144 %
1accuracyHigher is betterCohort: vals-medscribe:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-medscribe-2026-08-16-c385354a7e62Retrieved 2026-08-16
MMLU-ProOverall
89.515 %Winner
87.249 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-mmlu_pro-2026-08-16-e14d5bb3a34cRetrieved 2026-08-16
ProgramBenchOverall
0 %Tie
0 %Tie
1accuracyHigher is betterCohort: vals-programbench:1:overallNo documented setup differenceTieGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-programbench-2026-08-16-08d9727662ddRetrieved 2026-08-16
ProofBenchOverall
31 %Winner
16 %
1.1accuracyHigher is betterCohort: vals-proof-bench:1.1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: 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
59.472 %
62.923 %Winner
1.1accuracyHigher is betterCohort: vals-snap:1.1:overallNo documented setup differenceWinner: DeepSeek-V4-ProGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-public-benefits-bench-2026-08-16-7ce68123c502Retrieved 2026-08-16
SkillsBenchOverall
52.737 %Winner
51.274 %
1accuracyHigher is betterCohort: vals-skillsbench:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: Harness: OpenHands
DeepSeek-V4-Pro: Harness: OpenHands
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-skillsbench-2026-08-16-4917a67268d2Retrieved 2026-08-16
SWE-bench VerifiedOverall
78.8 %Winner
77.4 %
1accuracyHigher is betterCohort: vals-swebench:1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-swebench-2026-08-16-c133071b8167Retrieved 2026-08-16
TaxEval v2Overall
74.366 %Winner
72.077 %
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: 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 2.0Overall
67.416 %Winner
56.18 %
2.0accuracyHigher is betterCohort: vals-terminal-bench-2:2.0:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-06-04Import ID: vals-terminal-bench-2-2026-08-16-0d39f2e25723Retrieved 2026-08-16
Terminal-Bench 2.1Overall
74.157 %Winner
50.187 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: 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
53.079 %Winner
42.888 %
2weighted index scoreHigher is betterCohort: vals-vals-index:2:overallNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-vals_index-2026-08-16-ab641d89d6edRetrieved 2026-08-16
Vibe Code Bench v1.1Overall
48.683 %
49.931 %Winner
1.1accuracyHigher is betterCohort: vals-vibe-code-bench:1.1:overallNo documented setup differenceWinner: DeepSeek-V4-ProGemini 3.5 Flash: Harness: OpenHands
DeepSeek-V4-Pro: 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 financeReasoning: high
1,464.273 arena pointsWinner
95% confidence interval: ±8.885The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,447.754 arena points
95% confidence interval: ±7.037The 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: Gemini 3.5 FlashGemini 3.5 Flash: Snapshot: gemini-3.5-flash-high, Reasoning: high, Harness: Arena text, style control
DeepSeek-V4-Pro: Snapshot: deepseek-v4-pro-high-preview, Reasoning: high, Harness: Arena text, style control
Gemini 3.5 Flash: Style-controlled Arena rating from 5,150 anonymous pairwise votes.DeepSeek-V4-Pro: Style-controlled Arena rating from 10,363 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCLI
17.175 %Higher measured value
15.47 %
1accuracyHigher is betterCohort: vals-code-migration:1:cliTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-code-migration-2026-08-11-3a2d5ce718a3Retrieved 2026-08-11
CorpFin v2Exact Pages
62.821 %Higher measured value
59.207 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:exact_pagesTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, 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
CyberBenchPatch
81.034 %Winner
79.661 %
1accuracyHigher is betterCohort: vals-cyberbench:1:patchNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-03Import ID: vals-cyber-2026-08-11-1f20498a3dc1Retrieved 2026-08-11
EMBComps
69.788 %Higher measured value
57.434 %
1accuracyHigher is betterCohort: vals-emb:1:compsTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-emb-2026-08-11-e3c855e236e4Retrieved 2026-08-11
Finance Agent (v2)Adjustments
54.869 %Higher measured value
41.586 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:adjustmentsTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-fabv2-2026-08-11-3e5c93a1857cRetrieved 2026-08-11
GPQA DiamondFew-Shot CoT
91.414 %Higher measured value
90.404 %
1accuracyHigher is betterCohort: vals-gpqa:1:diamond_few_shot_cotTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-gpqa-2026-08-11-d3325290a404Retrieved 2026-08-11
Harvey's Legal Agent BenchmarkAntitrust Competition · Criteria passed
84.42 %Higher measured value
83.696 %
1criteria pass rateHigher is betterCohort: vals-legal-agent-benchmark:1:criteria_pass_rate__antitrust_competitionTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-07Import ID: vals-hlab-2026-08-11-ea11b6e53414Retrieved 2026-08-11
Legal Research BenchAdministrative / Regulatory · All-pass
43.939 %Higher measured value
28.788 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:administrative_regulatoryTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-legal_research-2026-08-11-326cf7aaca58Retrieved 2026-08-11
LegalBenchConclusion Tasks
81.939 %
89.117 %Higher measured value
1accuracyHigher is betterCohort: vals-legal-bench:1:conclusion_tasksTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-legal_bench-2026-08-11-836e5e44618eRetrieved 2026-08-11
LiveCodeBench v6Easy
99.068 %Higher measured value
98.758 %
1accuracyHigher is betterCohort: vals-lcb:1:easyTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBiology
93.863 %Higher measured value
92.887 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:biologyTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmlu_pro-2026-08-11-b8e53828d746Retrieved 2026-08-11
ProgramBenchAlmost Resolved
1.5 %Higher measured value
0 %
1accuracyHigher is betterCohort: vals-programbench:1:almostTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-programbench-2026-08-11-b6f8959fbdfeRetrieved 2026-08-11
SkillsBenchNo Skills
40.971 %Higher measured value
27.226 %
1accuracyHigher is betterCohort: vals-skillsbench:1:no_skillsTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Harness: OpenHands, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Harness: OpenHands, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-07Import ID: vals-skillsbench-2026-08-11-351bec9d0e01Retrieved 2026-08-11
SWE-bench Verified<15 min fix
86.598 %
87.629 %Higher measured value
1accuracyHigher is betterCohort: vals-swebench:1:<15 min fixTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-08Import ID: vals-swebench-2026-08-11-a6212cd857d8Retrieved 2026-08-11
TaxEval v2Correctness
61.897 %Higher measured value
60.589 %
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:correctnessTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, 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 2.0Easy
100 %Higher measured value
75 %
2.0accuracyHigher is betterCohort: vals-terminal-bench-2:2.0:easyTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: 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 2.1Easy
100 %Higher measured value
66.667 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:easyTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: 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 v2
64.569 %Higher measured value
61.888 %
1.2benchmark scoreHigher is betterCohort: vals-vals-index:1.2:corp_fin_v2Test setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-vals_index-2026-08-11-e79d08d59249Retrieved 2026-08-11
Arena Text, Style ControlChineseReasoning: high
1,523.669 arena pointsNo clear lead
95% confidence interval: ±15.749The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,500.632 arena points
95% confidence interval: ±12.361The 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:chineseNo documented setup differenceNo clear leadGemini 3.5 Flash: Snapshot: gemini-3.5-flash-high, Reasoning: high, Harness: Arena text, style control
DeepSeek-V4-Pro: Snapshot: deepseek-v4-pro-high-preview, Reasoning: high, Harness: Arena text, style control
Gemini 3.5 Flash: Style-controlled Arena rating from 1,655 anonymous pairwise votes.DeepSeek-V4-Pro: Style-controlled Arena rating from 2,780 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCOBOL
55.455 %
58.393 %Higher measured value
1accuracyHigher is betterCohort: vals-code-migration:1:cobolTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-code-migration-2026-08-11-3a2d5ce718a3Retrieved 2026-08-11
CorpFin v2Max Fitting Context
66.667 %Higher measured value
63.054 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:max_fitting_contextTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, 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
CyberBenchPoC
57.627 %Tie
57.627 %Tie
1accuracyHigher is betterCohort: vals-cyberbench:1:pocNo documented setup differenceTieGemini 3.5 Flash: No further settings disclosed
DeepSeek-V4-Pro: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-03Import ID: vals-cyber-2026-08-11-1f20498a3dc1Retrieved 2026-08-11
EMBDataroom
80.921 %Higher measured value
62.572 %
1accuracyHigher is betterCohort: vals-emb:1:dataroomTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-emb-2026-08-11-e3c855e236e4Retrieved 2026-08-11
Finance Agent (v2)All-Pass
45.706 %Higher measured value
31.448 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:all_passTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-fabv2-2026-08-11-3e5c93a1857cRetrieved 2026-08-11
GPQA DiamondZero-Shot CoT
93.939 %Higher measured value
88.384 %
1accuracyHigher is betterCohort: vals-gpqa:1:diamond_zero_shot_cotTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-gpqa-2026-08-11-d3325290a404Retrieved 2026-08-11
Harvey's Legal Agent BenchmarkAntitrust Competition · Task fully resolved
0 %No direct winner
0 %No direct winner
1task resolution rateHigher is betterCohort: vals-legal-agent-benchmark:1:antitrust_competitionTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-07Import ID: vals-hlab-2026-08-11-ea11b6e53414Retrieved 2026-08-11
Legal Research BenchAdministrative / Regulatory · Weighted partial credit
87.126 %Higher measured value
83.372 %
1weighted partial-credit scoreHigher is betterCohort: vals-legal-research:1:weighted_pass__administrative_regulatoryTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-legal_research-2026-08-11-326cf7aaca58Retrieved 2026-08-11
LegalBenchInterpretation Tasks
88.675 %Higher measured value
75.169 %
1accuracyHigher is betterCohort: vals-legal-bench:1:interpretation_tasksTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-legal_bench-2026-08-11-836e5e44618eRetrieved 2026-08-11
LiveCodeBench v6Hard
73.143 %Higher measured value
72.571 %
1accuracyHigher is betterCohort: vals-lcb:1:hardTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBusiness
93.283 %Higher measured value
91.888 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:businessTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmlu_pro-2026-08-11-b8e53828d746Retrieved 2026-08-11
ProgramBenchFully Resolved
0 %No direct winner
0 %No direct winner
1accuracyHigher is betterCohort: vals-programbench:1:strictTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-programbench-2026-08-11-b6f8959fbdfeRetrieved 2026-08-11
SkillsBenchWith Skills
52.737 %Higher measured value
51.274 %
1accuracyHigher is betterCohort: vals-skillsbench:1:with_skillsTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Harness: OpenHands, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Harness: OpenHands, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-07Import ID: vals-skillsbench-2026-08-11-351bec9d0e01Retrieved 2026-08-11
SWE-bench Verified>4 hours
33.333 %Higher measured value
0 %
1accuracyHigher is betterCohort: vals-swebench:1:>4 hoursTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-08Import ID: vals-swebench-2026-08-11-a6212cd857d8Retrieved 2026-08-11
TaxEval v2Stepwise Reasoning
86.836 %Higher measured value
83.565 %
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:stepwise_reasoningTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, 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 2.0Hard
53.333 %Higher measured value
33.333 %
2.0accuracyHigher is betterCohort: vals-terminal-bench-2:2.0:hardTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: 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 2.1Hard
60 %Higher measured value
31.111 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:hardTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: 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 v2
58.101 %Higher measured value
44.081 %
1.2benchmark scoreHigher is betterCohort: vals-vals-index:1.2:finance_agentTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-vals_index-2026-08-11-e79d08d59249Retrieved 2026-08-11
Arena Text, Style ControlCodingReasoning: high
1,508.793 arena pointsWinner
95% confidence interval: ±7.664The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,488.583 arena points
95% confidence interval: ±6.254The 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:codingNo documented setup differenceWinner: Gemini 3.5 FlashGemini 3.5 Flash: Snapshot: gemini-3.5-flash-high, Reasoning: high, Harness: Arena text, style control
DeepSeek-V4-Pro: Snapshot: deepseek-v4-pro-high-preview, Reasoning: high, Harness: Arena text, style control
Gemini 3.5 Flash: Style-controlled Arena rating from 7,577 anonymous pairwise votes.DeepSeek-V4-Pro: Style-controlled Arena rating from 15,137 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCode Quality
2.789 / 5
3.401 / 5Higher measured value
1mean reviewer code-quality ratingHigher is betterCohort: vals-code-migration:1:code_qualityTest setup not documented as identicalNo direct winnerGemini 3.5 Flash: Reasoning: high, Temperature: 1, Output limit: 65,536 tokens
DeepSeek-V4-Pro: Reasoning: max, Output limit: 384,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-code-migration-2026-08-11-3a2d5ce718a3Retrieved 2026-08-11

The table shows 64 diversified result series from 191 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.