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Head-to-head comparison

Grok 4.3 vs. Kimi K2.6

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

204

shared result series

26

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 Grok 4.3 and Kimi K2.6
AttributeGrok 4.3Kimi K2.6
ProviderxAIMoonshot AI
ReleasedMay 6, 2026Apr 20, 2026
AvailabilityActiveActive
Model typeProprietaryOpen Weights
ParametersNot published1T, 32B active
ArchitectureNot publishedMixture of Experts
Context window1,000,000 tokens262,144 tokens
Knowledge cutoffNot publishedNot published
Technical sourcesModelModel, Context
API pricing per 1M tokens
API input$1.25 ≤200K / $2.5 >200K$0.95
API output$2.5 ≤200K / $5 >200K$4
Cache read$0.2 ≤200K / $0.4 >200K$0.16
Cache write (5 min.)Not listedNot listed
Cache write (1 hr.)Not listedNot listed
Price verified08/11/2026Source07/30/2026Source
Grok 4.3Kimi K2.6
API inputUSD per 1M tokens, base tier
Grok 4.3$1.25
Kimi K2.6$0.95Lower price
API outputUSD per 1M tokens, base tier
Grok 4.3$2.5Lower price
Kimi K2.6$4
Cache readUSD per 1M tokens, base tier
Grok 4.3$0.2
Kimi K2.6$0.16Lower 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.

204 shared result series
Grok 4.3Kimi K2.6
Arena Text, Style ControlOverall. Higher is better. No documented setup difference
Grok 4.31,441.442 arena points
Kimi K2.61,460.66 arena pointsWinner
Code MigrationOverall. Higher is better. No documented setup difference
Grok 4.36.795 %
Kimi K2.627.768 %Winner
CorpFin v2Overall. Higher is better. No documented setup difference
Grok 4.368.532 %Winner
Kimi K2.666.744 %
CyberBenchOverall. Higher is better. No documented setup difference
Grok 4.347.457 %
Kimi K2.674.351 %Winner
EMBOverall. Higher is better. No documented setup difference
Grok 4.318.394 %
Kimi K2.657.855 %Winner
Finance Agent (v2)Overall. Higher is better. No documented setup difference
Grok 4.337.728 %
Kimi K2.644.899 %Winner
GPQA DiamondOverall. Higher is better. No documented setup difference
Grok 4.391.414 %Winner
Kimi K2.689.142 %
Harvey's Legal Agent BenchmarkOverall · Task fully resolved. Higher is better. No documented setup difference
Grok 4.30.417 %
Kimi K2.61.667 %Winner
Legal Research BenchOverall · All-pass. Higher is better. No documented setup difference
Grok 4.315.385 %
Kimi K2.615.865 %Winner
LegalBenchOverall. Higher is better. No documented setup difference
Grok 4.384.458 %
Kimi K2.684.738 %Winner
LiveCodeBench v6Overall. Higher is better. No documented setup difference
Grok 4.384.494 %
Kimi K2.686.771 %Winner
MedCodeOverall. Higher is better. No documented setup difference
Grok 4.338.068 %
Kimi K2.640.142 %Winner
Benchmark scores for Grok 4.3 and Kimi K2.6
Benchmark and taskGrok 4.3Kimi K2.6ComparabilitySource
Arena Text, Style ControlOverall
1,441.442 arena points
95% confidence interval: ±3.977The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,460.66 arena pointsWinner
95% confidence interval: ±4.541The 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: Kimi K2.6Grok 4.3: Snapshot: grok-4.3, Harness: Arena text, style control
Kimi K2.6: Snapshot: kimi-k2.6, Harness: Arena text, style control
Grok 4.3: Style-controlled Arena rating from 56,645 anonymous pairwise votes.Kimi K2.6: Style-controlled Arena rating from 37,619 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationOverall
6.795 %
27.768 %Winner
1accuracyHigher is betterCohort: vals-code-migration:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
68.532 %Winner
66.744 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:overallNo documented setup differenceWinner: Grok 4.3Grok 4.3: No further settings disclosed
Kimi K2.6: 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
47.457 %
74.351 %Winner
1accuracyHigher is betterCohort: vals-cyberbench:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-03Import ID: vals-cyber-2026-08-16-702acaee9aa9Retrieved 2026-08-16
EMBOverall
18.394 %
57.855 %Winner
1accuracyHigher is betterCohort: vals-emb:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
37.728 %
44.899 %Winner
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-fabv2-2026-08-16-8853da43085dRetrieved 2026-08-16
GPQA DiamondOverall
91.414 %Winner
89.142 %
1accuracyHigher is betterCohort: vals-gpqa:1:overallNo documented setup differenceWinner: Grok 4.3Grok 4.3: No further settings disclosed
Kimi K2.6: 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
0.417 %
1.667 %Winner
1task resolution rateHigher is betterCohort: vals-legal-agent-benchmark:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
15.385 %
15.865 %Winner
1all-pass rateHigher is betterCohort: vals-legal-research:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-legal_research-2026-08-16-af296c00ecaaRetrieved 2026-08-16
LegalBenchOverall
84.458 %
84.738 %Winner
1accuracyHigher is betterCohort: vals-legal-bench:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
84.494 %
86.771 %Winner
1accuracyHigher is betterCohort: vals-lcb:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-lcb-2026-08-16-17b9c147080dRetrieved 2026-08-16
MedCodeOverall
38.068 %
40.142 %Winner
1accuracyHigher is betterCohort: vals-medcode:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-medcode-2026-08-16-524f7f474eacRetrieved 2026-08-16
MedScribeOverall
74.399 %
78.149 %Winner
1accuracyHigher is betterCohort: vals-medscribe:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-medscribe-2026-08-16-c385354a7e62Retrieved 2026-08-16
MMLU-ProOverall
85.838 %
87.572 %Winner
1accuracyHigher is betterCohort: vals-mmlu-pro:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
83.064 %
86.301 %Winner
1accuracyHigher is betterCohort: vals-mmmu:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmmu-2026-08-16-37c9a8c7e21fRetrieved 2026-08-16
MortgageTaxOverall
48.252 %
65.818 %Winner
1accuracyHigher is betterCohort: vals-mortgage-tax:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-mortgage_tax-2026-08-16-e78c985dbb1cRetrieved 2026-08-16
ProgramBenchOverall
0 %Tie
0 %Tie
1accuracyHigher is betterCohort: vals-programbench:1:overallNo documented setup differenceTieGrok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-programbench-2026-08-16-08d9727662ddRetrieved 2026-08-16
Public Benefits Bench v1.1Overall
51.691 %
56.631 %Winner
1.1accuracyHigher is betterCohort: vals-snap:1.1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
19.736 %
50.224 %Winner
1accuracyHigher is betterCohort: vals-sage:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
71.4 %
76.2 %Winner
1accuracyHigher is betterCohort: vals-swebench:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-swebench-2026-08-16-c133071b8167Retrieved 2026-08-16
TaxEval v2Overall
70.81 %
74.652 %Winner
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
43.446 %
57.303 %Winner
2.0accuracyHigher is betterCohort: vals-terminal-bench-2:2.0:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
41.948 %
53.558 %Winner
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
24.294 %
43.465 %Winner
2weighted index scoreHigher is betterCohort: vals-vals-index:2:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
43.293 %
56.434 %Winner
1.2weighted index scoreHigher is betterCohort: vals-vals-multimodal-index:1.2:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: 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
19.403 %
37.891 %Winner
1.1accuracyHigher is betterCohort: vals-vibe-code-bench:1.1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.3: Harness: OpenHands
Kimi K2.6: 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
1,438.629 arena points
95% confidence interval: ±6.95The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,455.84 arena pointsWinner
95% confidence interval: ±7.75The 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: Kimi K2.6Grok 4.3: Snapshot: grok-4.3, Harness: Arena text, style control
Kimi K2.6: Snapshot: kimi-k2.6, Harness: Arena text, style control
Grok 4.3: Style-controlled Arena rating from 11,449 anonymous pairwise votes.Kimi K2.6: Style-controlled Arena rating from 7,491 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCLI
9.06 %
17.977 %Higher measured value
1accuracyHigher is betterCohort: vals-code-migration:1:cliTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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 Pages
66.783 %Higher measured value
64.802 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:exact_pagesTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 48,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-corp_fin_v2-2026-08-11-d9e58d191cd9Retrieved 2026-08-11
CyberBenchPatch
64.407 %
71.429 %Winner
1accuracyHigher is betterCohort: vals-cyberbench:1:patchNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-03Import ID: vals-cyber-2026-08-11-1f20498a3dc1Retrieved 2026-08-11
EMBComps
16.558 %
61.395 %Higher measured value
1accuracyHigher is betterCohort: vals-emb:1:compsTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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)Adjustments
31.863 %
37.934 %Higher measured value
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:adjustmentsTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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 CoT
92.929 %Higher measured value
89.899 %
1accuracyHigher is betterCohort: vals-gpqa:1:diamond_few_shot_cotTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 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
61.594 %
63.768 %Higher measured value
1criteria pass rateHigher is betterCohort: vals-legal-agent-benchmark:1:criteria_pass_rate__antitrust_competitionTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 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
25.758 %Higher measured value
18.182 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:administrative_regulatoryTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-legal_research-2026-08-11-326cf7aaca58Retrieved 2026-08-11
LegalBenchConclusion Tasks
89.912 %Higher measured value
89.413 %
1accuracyHigher is betterCohort: vals-legal-bench:1:conclusion_tasksTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-legal_bench-2026-08-11-836e5e44618eRetrieved 2026-08-11
LiveCodeBench v6Easy
98.447 %
99.068 %Higher measured value
1accuracyHigher is betterCohort: vals-lcb:1:easyTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBiology
93.305 %
93.724 %Higher measured value
1accuracyHigher is betterCohort: vals-mmlu-pro:1:biologyTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 96,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmlu_pro-2026-08-11-b8e53828d746Retrieved 2026-08-11
MortgageTaxNumerical Extraction
37.52 %
74.483 %Higher measured value
1accuracyHigher is betterCohort: vals-mortgage-tax:1:numerical_extractionTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95, Output limit: 256,000 tokens
Kimi K2.6: Top P: 0.95, 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 Resolved
0 %
0.5 %Higher measured value
1accuracyHigher is betterCohort: vals-programbench:1:almostTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-programbench-2026-08-11-b6f8959fbdfeRetrieved 2026-08-11
SAGEAutomata
35.318 %
42.857 %Higher measured value
1accuracyHigher is betterCohort: vals-sage:1:automataTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 1, Top P: 0.95, Output limit: 30,000 tokens
Kimi K2.6: Top P: 0.95, Output limit: 96,000 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
83.505 %
87.629 %Higher measured value
1accuracyHigher is betterCohort: vals-swebench:1:<15 min fixTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-08Import ID: vals-swebench-2026-08-11-a6212cd857d8Retrieved 2026-08-11
TaxEval v2Correctness
60.589 %
62.715 %Higher measured value
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:correctnessTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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
66.667 %
75 %Higher measured value
2.0accuracyHigher is betterCohort: vals-terminal-bench-2:2.0:easyTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 256,000 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
75 %
83.333 %Higher measured value
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:easyTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 256,000 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
70.047 %Higher measured value
68.182 %
1.2benchmark scoreHigher is betterCohort: vals-vals-index:1.2:corp_fin_v2Test setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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 v2
70.047 %Higher measured value
68.182 %
1.2benchmark scoreHigher is betterCohort: vals-vals-multimodal-index:1.2:corp_fin_v2Test setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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 ControlChinese
1,484.029 arena points
95% confidence interval: ±11.768The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,528.629 arena pointsWinner
95% confidence interval: ±14.481The 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 differenceWinner: Kimi K2.6Grok 4.3: Snapshot: grok-4.3, Harness: Arena text, style control
Kimi K2.6: Snapshot: kimi-k2.6, Harness: Arena text, style control
Grok 4.3: Style-controlled Arena rating from 3,105 anonymous pairwise votes.Kimi K2.6: Style-controlled Arena rating from 1,908 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCOBOL
0 %
57.143 %Higher measured value
1accuracyHigher is betterCohort: vals-code-migration:1:cobolTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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 Context
68.765 %Higher measured value
67.249 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:max_fitting_contextTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 48,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-corp_fin_v2-2026-08-11-d9e58d191cd9Retrieved 2026-08-11
CyberBenchPoC
30.508 %
77.273 %Winner
1accuracyHigher is betterCohort: vals-cyberbench:1:pocNo documented setup differenceWinner: Kimi K2.6Grok 4.3: No further settings disclosed
Kimi K2.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-03Import ID: vals-cyber-2026-08-11-1f20498a3dc1Retrieved 2026-08-11
EMBDataroom
29.176 %
75.069 %Higher measured value
1accuracyHigher is betterCohort: vals-emb:1:dataroomTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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-Pass
26.373 %
32.584 %Higher measured value
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:all_passTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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 CoT
89.899 %Higher measured value
88.384 %
1accuracyHigher is betterCohort: vals-gpqa:1:diamond_zero_shot_cotTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 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 winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 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
73.866 %
75.531 %Higher measured value
1weighted partial-credit scoreHigher is betterCohort: vals-legal-research:1:weighted_pass__administrative_regulatoryTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-06Import ID: vals-legal_research-2026-08-11-326cf7aaca58Retrieved 2026-08-11
LegalBenchInterpretation Tasks
81.805 %
82.197 %Higher measured value
1accuracyHigher is betterCohort: vals-legal-bench:1:interpretation_tasksTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-legal_bench-2026-08-11-836e5e44618eRetrieved 2026-08-11
LiveCodeBench v6Hard
66 %
71.429 %Higher measured value
1accuracyHigher is betterCohort: vals-lcb:1:hardTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 256,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBusiness
92.902 %Higher measured value
91.635 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:businessTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 96,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-mmlu_pro-2026-08-11-b8e53828d746Retrieved 2026-08-11
MortgageTaxSemantic Extraction
58.983 %Higher measured value
57.154 %
1accuracyHigher is betterCohort: vals-mortgage-tax:1:semantic_extractionTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95, Output limit: 256,000 tokens
Kimi K2.6: Top P: 0.95, 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 Resolved
0 %No direct winner
0 %No direct winner
1accuracyHigher is betterCohort: vals-programbench:1:strictTest setup not documented as identicalNo direct winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, Output limit: 128,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-programbench-2026-08-11-b6f8959fbdfeRetrieved 2026-08-11
SAGECalculus
48.148 %Higher measured value
22.839 %
1accuracyHigher is betterCohort: vals-sage:1:calculusTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 1, Top P: 0.95, Output limit: 30,000 tokens
Kimi K2.6: Top P: 0.95, Output limit: 96,000 tokens
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-09Import ID: vals-sage-2026-08-11-f1f79f6d8af3Retrieved 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 winnerGrok 4.3: Reasoning: high, Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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 Reasoning
81.03 %
86.59 %Higher measured value
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:stepwise_reasoningTest setup not documented as identicalNo direct winnerGrok 4.3: Temperature: 0.7, Top P: 0.95
Kimi K2.6: Top P: 0.95, 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

The table shows 64 diversified result series from 204 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.