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Head-to-head comparison

GPT-5.6 Sol vs. Grok 4.6

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

41

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 GPT-5.6 Sol and Grok 4.6
AttributeGPT-5.6 SolGrok 4.6
ProviderOpenAIxAI
ReleasedJun 26, 2026Aug 12, 2026
AvailabilityActiveActive
Model typeProprietaryProprietary
ParametersNot publishedNot published
ArchitectureNot publishedNot published
Context window1,050,000 tokens500,000 tokens
Knowledge cutoffFebruary 16, 2026February 1, 2026
Technical sourcesModel, Context, Knowledge cutoffModel
API pricing per 1M tokens
API input$5 ≤272K / $10 >272K$2 ≤200K / $4 >200K
API output$30 ≤272K / $45 >272K$6 ≤200K / $12 >200K
Cache read$0.5 ≤272K / $1 >272K$0.5 ≤200K / $1 >200K
Cache write (5 min.)$6.25 ≤272K / $12.5 >272KNot listed
Cache write (1 hr.)Not listedNot listed
Price verified08/11/2026Source08/16/2026Source
GPT-5.6 SolGrok 4.6
API inputUSD per 1M tokens, base tier
GPT-5.6 Sol$5
Grok 4.6$2Lower price
API outputUSD per 1M tokens, base tier
GPT-5.6 Sol$30
Grok 4.6$6Lower price
Cache readUSD per 1M tokens, base tier
GPT-5.6 Sol$0.5Tie
Grok 4.6$0.5Tie

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.

41 shared result series
GPT-5.6 SolGrok 4.6
Arena Text, Style ControlOverall. Higher is better. Test setup not documented as identical
GPT-5.6 Sol1,480.992 arena pointsHigher measured value
Grok 4.61,464.323 arena points
Code MigrationOverall. Higher is better. No documented setup difference
GPT-5.6 Sol52.916 %Winner
Grok 4.644.572 %
CorpFin v2Overall. Higher is better. No documented setup difference
GPT-5.6 Sol64.375 %
Grok 4.666.161 %Winner
EMBOverall. Higher is better. No documented setup difference
GPT-5.6 Sol72.339 %Winner
Grok 4.662.727 %
Finance Agent (v2)Overall. Higher is better. No documented setup difference
GPT-5.6 Sol53.756 %Winner
Grok 4.653.682 %
GPQA DiamondOverall. Higher is better. No documented setup difference
GPT-5.6 Sol95.202 %Winner
Grok 4.694.697 %
Harvey's Legal Agent BenchmarkOverall · Task fully resolved. Higher is better. No documented setup difference
GPT-5.6 Sol2.5 %
Grok 4.615.833 %Winner
Legal Research BenchOverall · All-pass. Higher is better. No documented setup difference
GPT-5.6 Sol48.077 %Tie
Grok 4.648.077 %Tie
LegalBenchOverall. Higher is better. No documented setup difference
GPT-5.6 Sol86.965 %Winner
Grok 4.686.307 %
LiveCodeBench v6Overall. Higher is better. No documented setup difference
GPT-5.6 Sol82.604 %
Grok 4.688.224 %Winner
MedCodeOverall. Higher is better. No documented setup difference
GPT-5.6 Sol43.974 %
Grok 4.644.712 %Winner
MedScribeOverall. Higher is better. No documented setup difference
GPT-5.6 Sol85.233 %
Grok 4.686.534 %Winner
Benchmark scores for GPT-5.6 Sol and Grok 4.6
Benchmark and taskGPT-5.6 SolGrok 4.6ComparabilitySource
Arena Text, Style ControlOverall
1,480.992 arena pointsHigher measured value
95% confidence interval: ±5.733The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,464.323 arena points
95% confidence interval: ±11.88The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
style-control-v1style-controlled Bradley-Terry ratingHigher is betterCohort: lmarena-text-style-control:2026-08-12:overallTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 15,450 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 2,448 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Code MigrationOverall
52.916 %Winner
44.572 %
1accuracyHigher is betterCohort: vals-code-migration:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
64.375 %
66.161 %Winner
2accuracyHigher is betterCohort: vals-corp-fin-v2:2:overallNo documented setup differenceWinner: Grok 4.6GPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
72.339 %Winner
62.727 %
1accuracyHigher is betterCohort: vals-emb:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
53.756 %Winner
53.682 %
2accuracyHigher is betterCohort: vals-finance-agent-v2:2:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-fabv2-2026-08-16-8853da43085dRetrieved 2026-08-16
GPQA DiamondOverall
95.202 %Winner
94.697 %
1accuracyHigher is betterCohort: vals-gpqa:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
2.5 %
15.833 %Winner
1task resolution rateHigher is betterCohort: vals-legal-agent-benchmark:1:overallNo documented setup differenceWinner: Grok 4.6GPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
48.077 %Tie
48.077 %Tie
1all-pass rateHigher is betterCohort: vals-legal-research:1:overallNo documented setup differenceTieGPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-legal_research-2026-08-16-af296c00ecaaRetrieved 2026-08-16
LegalBenchOverall
86.965 %Winner
86.307 %
1accuracyHigher is betterCohort: vals-legal-bench:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
82.604 %
88.224 %Winner
1accuracyHigher is betterCohort: vals-lcb:1:overallNo documented setup differenceWinner: Grok 4.6GPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-lcb-2026-08-16-17b9c147080dRetrieved 2026-08-16
MedCodeOverall
43.974 %
44.712 %Winner
1accuracyHigher is betterCohort: vals-medcode:1:overallNo documented setup differenceWinner: Grok 4.6GPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-medcode-2026-08-16-524f7f474eacRetrieved 2026-08-16
MedScribeOverall
85.233 %
86.534 %Winner
1accuracyHigher is betterCohort: vals-medscribe:1:overallNo documented setup differenceWinner: Grok 4.6GPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-medscribe-2026-08-16-c385354a7e62Retrieved 2026-08-16
MMLU-ProOverall
89.1 %
89.4 %Winner
1accuracyHigher is betterCohort: vals-mmlu-pro:1:overallNo documented setup differenceWinner: Grok 4.6GPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-mmlu_pro-2026-08-16-e14d5bb3a34cRetrieved 2026-08-16
MortgageTaxOverall
67.289 %Winner
64.189 %
1accuracyHigher is betterCohort: vals-mortgage-tax:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-mortgage_tax-2026-08-16-e78c985dbb1cRetrieved 2026-08-16
ProofBenchOverall
83 %Winner
51 %
1.1accuracyHigher is betterCohort: vals-proof-bench:1.1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-14Import ID: vals-proof_bench-2026-08-16-14232db24de1Retrieved 2026-08-16
Public Benefits Bench v1.1Overall
66.509 %
66.847 %Winner
1.1accuracyHigher is betterCohort: vals-snap:1.1:overallNo documented setup differenceWinner: Grok 4.6GPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
52.563 %Winner
28.9 %
1accuracyHigher is betterCohort: vals-sage:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-sage-2026-08-16-a416dd25affbRetrieved 2026-08-16
SkillsBenchOverall
54.1 %
55.766 %Winner
1accuracyHigher is betterCohort: vals-skillsbench:1:overallNo documented setup differenceWinner: Grok 4.6GPT-5.6 Sol: Harness: OpenHands
Grok 4.6: Harness: OpenHands
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-13Import ID: vals-skillsbench-2026-08-16-4917a67268d2Retrieved 2026-08-16
SWE-bench VerifiedOverall
96.2 %Winner
95.6 %
1accuracyHigher is betterCohort: vals-swebench:1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: No further settings disclosed
Vals AIType: Independent evaluationLeaderboard updated: 2026-08-12Import ID: vals-swebench-2026-08-16-c133071b8167Retrieved 2026-08-16
TaxEval v2Overall
74.775 %Winner
71.096 %
2accuracyHigher is betterCohort: vals-tax-eval-v2:2:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
85.768 %Winner
78.277 %
2.1accuracyHigher is betterCohort: vals-terminal-bench-2-1:2.1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
63.709 %Winner
59.167 %
2weighted index scoreHigher is betterCohort: vals-vals-index:2:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: No further settings disclosed
Grok 4.6: 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
80.495 %Winner
76.239 %
1.1accuracyHigher is betterCohort: vals-vibe-code-bench:1.1:overallNo documented setup differenceWinner: GPT-5.6 SolGPT-5.6 Sol: Harness: OpenHands
Grok 4.6: 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
1,482.723 arena pointsHigher measured value
95% confidence interval: ±11.356The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,455.102 arena points
95% confidence interval: ±27.332The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
style-control-v1style-controlled Bradley-Terry ratingHigher is betterCohort: lmarena-text-style-control:2026-08-12:industry_business_and_management_and_financial_operationsTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 3,027 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 442 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlChinese
1,542.002 arena pointsHigher measured value
95% confidence interval: ±19.125The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,535.167 arena points
95% confidence interval: ±39.462The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
style-control-v1style-controlled Bradley-Terry ratingHigher is betterCohort: lmarena-text-style-control:2026-08-12:chineseTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 1,063 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 215 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlCoding
1,526.407 arena pointsHigher measured value
95% confidence interval: ±9.454The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,511.77 arena points
95% confidence interval: ±26.72The 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:codingTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 4,417 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 485 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlCreative writing
1,476.286 arena pointsHigher measured value
95% confidence interval: ±11.871The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,472.894 arena points
95% confidence interval: ±31.578The 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:creative_writingTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 2,871 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 379 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlEnglish
1,487.866 arena pointsHigher measured value
95% confidence interval: ±7.891The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,459.266 arena points
95% confidence interval: ±18.461The 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:englishTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 6,370 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 998 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlEntertainment, sports and media
1,471.101 arena pointsHigher measured value
95% confidence interval: ±10.47The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,455.476 arena points
95% confidence interval: ±28.81The 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_entertainment_and_sports_and_mediaTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 3,689 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 448 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlExcluding ties
1,494.057 arena pointsHigher measured value
95% confidence interval: ±7.449The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,469.633 arena points
95% confidence interval: ±16.492The 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:exclude_tiesTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 11,663 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 1,782 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlExpert prompts
1,523.061 arena pointsHigher measured value
95% confidence interval: ±14.681The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,479.969 arena points
95% confidence interval: ±34.191The 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:expertTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 1,692 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 272 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlHard prompts
1,503.869 arena pointsHigher measured value
95% confidence interval: ±6.754The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,488.551 arena points
95% confidence interval: ±15.88The 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:hard_promptsTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 10,232 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 1,397 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlHard prompts, English
1,506.105 arena pointsHigher measured value
95% confidence interval: ±9.506The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,472.181 arena points
95% confidence interval: ±25.031The 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:hard_prompts_englishTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 4,231 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 543 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlInstruction following
1,480.688 arena pointsHigher measured value
95% confidence interval: ±8.72The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,460.755 arena points
95% confidence interval: ±21.635The 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:instruction_followingTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 5,277 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 732 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlLife, physical and social science
1,484.626 arena points
95% confidence interval: ±12.176The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,497.908 arena pointsHigher measured value
95% confidence interval: ±31.96The 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_life_and_physical_and_social_scienceTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 2,519 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 335 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlLonger queries
1,489.833 arena pointsHigher measured value
95% confidence interval: ±7.944The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,485.451 arena points
95% confidence interval: ±18.11The 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:longer_queryTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 7,036 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 1,103 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlMulti-turn
1,490.59 arena pointsHigher measured value
95% confidence interval: ±12.365The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,444.26 arena points
95% confidence interval: ±31.774The 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:multi_turnTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 2,558 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 352 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlNon-English
1,471.085 arena pointsHigher measured value
95% confidence interval: ±6.988The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,461.99 arena points
95% confidence interval: ±15.246The 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:non_englishTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 9,079 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 1,450 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlRussian
1,495.425 arena pointsHigher measured value
95% confidence interval: ±15.16The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,446.737 arena points
95% confidence interval: ±34.404The 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:russianTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 1,630 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 275 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlSoftware and IT services
1,516.753 arena pointsHigher measured value
95% confidence interval: ±8.07The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,511.885 arena points
95% confidence interval: ±20.78The 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_software_and_it_servicesTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 6,316 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 805 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16
Arena Text, Style ControlWriting, literature and language
1,482.134 arena pointsHigher measured value
95% confidence interval: ±10.093The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
1,455.393 arena points
95% confidence interval: ±25.717The 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_writing_and_literature_and_languageTest setup not documented as identicalNo direct winnerGPT-5.6 Sol: Snapshot: gpt-5.6-sol-xhigh, Reasoning: xhigh, Harness: Arena text, style control
Grok 4.6: Snapshot: grok-4.6-high, Reasoning: high, Harness: Arena text, style control
GPT-5.6 Sol: Style-controlled Arena rating from 3,911 anonymous pairwise votes.Grok 4.6: Style-controlled Arena rating from 543 anonymous pairwise votes.
ArenaType: Official benchmark leaderboardLeaderboard updated: 2026-08-12Import ID: lmarena-eeedf9209373a7f9b324bfb839e7b02fedacd1e5-1611ed64f3f1Retrieved 2026-08-16

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.