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Head-to-head comparison

Grok 4.5 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.

196

shared result series

23

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 4.5 and Kimi K2.6
AttributeGrok 4.5Kimi K2.6
ProviderxAIMoonshot AI
ReleasedJul 16, 2026Apr 20, 2026
AvailabilityActiveActive
Model typeProprietaryOpen Weights
ParametersNot published1T, 32B active
ArchitectureNot publishedMixture of Experts
Context window500,000 tokens262,144 tokens
Knowledge cutoffFebruary 1, 2026Not published
Technical sourcesModelModel, Context
API pricing per 1M tokens
API input$2 ≤200K / $4 >200K$0.95
API output$6 ≤200K / $12 >200K$4
Cache read$0.3 ≤200K / $0.6 >200K$0.16
Cache write (5 min.)Not listedNot listed
Cache write (1 hr.)Not listedNot listed
Price verified08/11/2026Source07/30/2026Source
Grok 4.5Kimi K2.6
API inputUSD per 1M tokens, base tier
Grok 4.5$2
Kimi K2.6$0.95Lower price
API outputUSD per 1M tokens, base tier
Grok 4.5$6
Kimi K2.6$4Lower price
Cache readUSD per 1M tokens, base tier
Grok 4.5$0.3
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.

196 shared result series
Grok 4.5Kimi K2.6
Arena Text, Style ControlOverall. Higher is better. No documented setup difference
Grok 4.51,468.402 arena pointsNo clear lead
Kimi K2.61,460.66 arena points
Code MigrationOverall. Higher is better. No documented setup difference
Grok 4.536.596 %Winner
Kimi K2.627.768 %
CorpFin v2Overall. Higher is better. No documented setup difference
Grok 4.567.405 %Winner
Kimi K2.666.744 %
EMBOverall. Higher is better. No documented setup difference
Grok 4.552.911 %
Kimi K2.657.855 %Winner
Finance Agent (v2)Overall. Higher is better. No documented setup difference
Grok 4.548.349 %Winner
Kimi K2.644.899 %
GPQA DiamondOverall. Higher is better. No documented setup difference
Grok 4.592.929 %Winner
Kimi K2.689.142 %
Harvey's Legal Agent BenchmarkOverall · Task fully resolved. Higher is better. No documented setup difference
Grok 4.512.917 %Winner
Kimi K2.61.667 %
Legal Research BenchOverall · All-pass. Higher is better. No documented setup difference
Grok 4.537.981 %Winner
Kimi K2.615.865 %
LegalBenchOverall. Higher is better. No documented setup difference
Grok 4.585.965 %Winner
Kimi K2.684.738 %
LiveCodeBench v6Overall. Higher is better. No documented setup difference
Grok 4.587.351 %Winner
Kimi K2.686.771 %
MedCodeOverall. Higher is better. No documented setup difference
Grok 4.543.291 %Winner
Kimi K2.640.142 %
MedScribeOverall. Higher is better. No documented setup difference
Grok 4.586.884 %Winner
Kimi K2.678.149 %
Benchmark scores for Grok 4.5 and Kimi K2.6
Benchmark and taskGrok 4.5Kimi K2.6ComparabilitySource
Arena Text, Style ControlOverall
1,468.402 arena pointsNo clear lead
95% confidence interval: ±5.451The 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 points
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 differenceNo clear leadGrok 4.5: Snapshot: grok-4.5, Harness: Arena text, style control
Kimi K2.6: Snapshot: kimi-k2.6, Harness: Arena text, style control
Grok 4.5: Style-controlled Arena rating from 17,738 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
36.596 %Winner
27.768 %
1accuracyHigher is betterCohort: vals-code-migration:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
67.405 %Winner
66.744 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
EMBOverall
52.911 %
57.855 %Winner
1accuracyHigher is betterCohort: vals-emb:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.5: 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
48.349 %Winner
44.899 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
92.929 %Winner
89.142 %
1accuracyHigher is betterCohort: vals-gpqa:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
12.917 %Winner
1.667 %
1task resolution rateHigher is betterCohort: vals-legal-agent-benchmark:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
37.981 %Winner
15.865 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
85.965 %Winner
84.738 %
1accuracyHigher is betterCohort: vals-legal-bench:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
87.351 %Winner
86.771 %
1accuracyHigher is betterCohort: vals-lcb:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
43.291 %Winner
40.142 %
1accuracyHigher is betterCohort: vals-medcode:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
86.884 %Winner
78.149 %
1accuracyHigher is betterCohort: vals-medscribe:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
89.216 %Winner
87.572 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
61.792 %
86.301 %Winner
1accuracyHigher is betterCohort: vals-mmmu:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.5: 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
61.804 %
65.818 %Winner
1accuracyHigher is betterCohort: vals-mortgage-tax:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.5: 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 4.5: 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
SAGEOverall
34.967 %
50.224 %Winner
1accuracyHigher is betterCohort: vals-sage:1:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.5: 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
86.6 %Winner
76.2 %
1accuracyHigher is betterCohort: vals-swebench:1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
71.668 %
74.652 %Winner
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:overallNo documented setup differenceWinner: Kimi K2.6Grok 4.5: 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 2.1Overall
67.79 %Winner
53.558 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
51.528 %Winner
43.465 %
2weighted index scoreHigher is betterCohort: vals-vals-index:2:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
63.42 %Winner
56.434 %
1.2weighted index scoreHigher is betterCohort: vals-vals-multimodal-index:1.2:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
69.002 %Winner
37.891 %
1.1accuracyHigher is betterCohort: vals-vibe-code-bench:1.1:overallNo documented setup differenceWinner: Grok 4.5Grok 4.5: 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
1,463.683 arena pointsNo clear lead
95% confidence interval: ±10.477The 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 points
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 differenceNo clear leadGrok 4.5: Snapshot: grok-4.5, Harness: Arena text, style control
Kimi K2.6: Snapshot: kimi-k2.6, Harness: Arena text, style control
Grok 4.5: Style-controlled Arena rating from 3,544 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
25.461 %Higher measured value
17.977 %
1accuracyHigher is betterCohort: vals-code-migration:1:cliTest setup not documented as identicalNo direct winnerGrok 4.5: 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
66.317 %Higher measured value
64.802 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:exact_pagesTest setup not documented as identicalNo direct winnerGrok 4.5: Reasoning: high, 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
EMBComps
39.489 %
61.395 %Higher measured value
1accuracyHigher is betterCohort: vals-emb:1:compsTest setup not documented as identicalNo direct winnerGrok 4.5: 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
38.568 %Higher measured value
37.934 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:adjustmentsTest setup not documented as identicalNo direct winnerGrok 4.5: 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 4.5: 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-gpqa-2026-08-11-d3325290a404Retrieved 2026-08-11
Harvey's Legal Agent BenchmarkAntitrust Competition · Criteria passed
87.319 %Higher measured value
63.768 %
1criteria pass rateHigher is betterCohort: vals-legal-agent-benchmark:1:criteria_pass_rate__antitrust_competitionTest setup not documented as identicalNo direct winnerGrok 4.5: 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
51.515 %Higher measured value
18.182 %
1all-pass rateHigher is betterCohort: vals-legal-research:1:administrative_regulatoryTest setup not documented as identicalNo direct winnerGrok 4.5: 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
89.507 %Higher measured value
89.413 %
1accuracyHigher is betterCohort: vals-legal-bench:1:conclusion_tasksTest setup not documented as identicalNo direct winnerGrok 4.5: 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-legal_bench-2026-08-11-836e5e44618eRetrieved 2026-08-11
LiveCodeBench v6Easy
99.068 %No direct winner
99.068 %No direct winner
1accuracyHigher is betterCohort: vals-lcb:1:easyTest setup not documented as identicalNo direct winnerGrok 4.5: 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: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBiology
94.282 %Higher measured value
93.724 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:biologyTest setup not documented as identicalNo direct winnerGrok 4.5: Reasoning: high, 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
62.798 %
74.483 %Higher measured value
1accuracyHigher is betterCohort: vals-mortgage-tax:1:numerical_extractionTest setup not documented as identicalNo direct winnerGrok 4.5: 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-mortgage_tax-2026-08-11-5ea6eef3e482Retrieved 2026-08-11
ProgramBenchAlmost Resolved
4.5 %Higher measured value
0.5 %
1accuracyHigher is betterCohort: vals-programbench:1:almostTest setup not documented as identicalNo direct winnerGrok 4.5: 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
32.54 %
42.857 %Higher measured value
1accuracyHigher is betterCohort: vals-sage:1:automataTest setup not documented as identicalNo direct winnerGrok 4.5: Reasoning: high, 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
93.814 %Higher measured value
87.629 %
1accuracyHigher is betterCohort: vals-swebench:1:<15 min fixTest setup not documented as identicalNo direct winnerGrok 4.5: 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
62.551 %
62.715 %Higher measured value
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:correctnessTest setup not documented as identicalNo direct winnerGrok 4.5: 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-tax_eval_v2-2026-08-11-d05a40bf446fRetrieved 2026-08-11
Terminal-Bench 2.1Easy
91.667 %Higher measured value
83.333 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:easyTest setup not documented as identicalNo direct winnerGrok 4.5: 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
68.415 %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 4.5: 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
68.415 %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 4.5: 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
1,518.205 arena points
95% confidence interval: ±18.199The 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 pointsNo clear lead
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 differenceNo clear leadGrok 4.5: Snapshot: grok-4.5, Harness: Arena text, style control
Kimi K2.6: Snapshot: kimi-k2.6, Harness: Arena text, style control
Grok 4.5: Style-controlled Arena rating from 1,180 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
70 %Higher measured value
57.143 %
1accuracyHigher is betterCohort: vals-code-migration:1:cobolTest setup not documented as identicalNo direct winnerGrok 4.5: 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
67.483 %Higher measured value
67.249 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:max_fitting_contextTest setup not documented as identicalNo direct winnerGrok 4.5: Reasoning: high, 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
EMBDataroom
64.953 %
75.069 %Higher measured value
1accuracyHigher is betterCohort: vals-emb:1:dataroomTest setup not documented as identicalNo direct winnerGrok 4.5: 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
36.743 %Higher measured value
32.584 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:all_passTest setup not documented as identicalNo direct winnerGrok 4.5: 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
92.929 %Higher measured value
88.384 %
1accuracyHigher is betterCohort: vals-gpqa:1:diamond_zero_shot_cotTest setup not documented as identicalNo direct winnerGrok 4.5: 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-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 4.5: 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
88.75 %Higher measured value
75.531 %
1weighted partial-credit scoreHigher is betterCohort: vals-legal-research:1:weighted_pass__administrative_regulatoryTest setup not documented as identicalNo direct winnerGrok 4.5: 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
83.22 %Higher measured value
82.197 %
1accuracyHigher is betterCohort: vals-legal-bench:1:interpretation_tasksTest setup not documented as identicalNo direct winnerGrok 4.5: 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-legal_bench-2026-08-11-836e5e44618eRetrieved 2026-08-11
LiveCodeBench v6Hard
73.429 %Higher measured value
71.429 %
1accuracyHigher is betterCohort: vals-lcb:1:hardTest setup not documented as identicalNo direct winnerGrok 4.5: 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: 2026-08-09Import ID: vals-lcb-2026-08-11-0342bcc364e4Retrieved 2026-08-11
MMLU-ProBusiness
93.283 %Higher measured value
91.635 %
1accuracyHigher is betterCohort: vals-mmlu-pro:1:businessTest setup not documented as identicalNo direct winnerGrok 4.5: Reasoning: high, 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
60.811 %Higher measured value
57.154 %
1accuracyHigher is betterCohort: vals-mortgage-tax:1:semantic_extractionTest setup not documented as identicalNo direct winnerGrok 4.5: 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-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 4.5: 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
59.568 %Higher measured value
22.839 %
1accuracyHigher is betterCohort: vals-sage:1:calculusTest setup not documented as identicalNo direct winnerGrok 4.5: Reasoning: high, 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
66.667 %Higher measured value
0 %
1accuracyHigher is betterCohort: vals-swebench:1:>4 hoursTest setup not documented as identicalNo direct winnerGrok 4.5: 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
80.785 %
86.59 %Higher measured value
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:stepwise_reasoningTest setup not documented as identicalNo direct winnerGrok 4.5: 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-tax_eval_v2-2026-08-11-d05a40bf446fRetrieved 2026-08-11
Terminal-Bench 2.1Hard
56.667 %Higher measured value
25.556 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:hardTest setup not documented as identicalNo direct winnerGrok 4.5: 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 IndexFinance Agent v2
48.751 %Higher measured value
44.932 %
1.2benchmark scoreHigher is betterCohort: vals-vals-index:1.2:finance_agentTest setup not documented as identicalNo direct winnerGrok 4.5: 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 IndexFinance Agent v2
48.751 %Higher measured value
44.932 %
1.2benchmark scoreHigher is betterCohort: vals-vals-multimodal-index:1.2:finance_agentTest setup not documented as identicalNo direct winnerGrok 4.5: 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 ControlCoding
1,520.498 arena pointsNo clear lead
95% confidence interval: ±8.924The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,514.401 arena points
95% confidence interval: ±7.07The 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 differenceNo clear leadGrok 4.5: Snapshot: grok-4.5, Harness: Arena text, style control
Kimi K2.6: Snapshot: kimi-k2.6, Harness: Arena text, style control
Grok 4.5: Style-controlled Arena rating from 5,172 anonymous pairwise votes.Kimi K2.6: Style-controlled Arena rating from 10,431 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationCode Quality
4.078 / 5Higher measured value
3.149 / 5
1mean reviewer code-quality ratingHigher is betterCohort: vals-code-migration:1:code_qualityTest setup not documented as identicalNo direct winnerGrok 4.5: 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 v2Shared Max Context
68.415 %Higher measured value
68.182 %
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:shared_max_contextTest setup not documented as identicalNo direct winnerGrok 4.5: Reasoning: high, 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

The table shows 64 diversified result series from 196 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.