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Claude Sonnet 4.6 vs Grok 4.6

Grok 4.6 leads Claude Sonnet 4.6 on coding, 65.7 to 57.3 on the Vibe Coding Index, and Grok 4.6 costs 2.5x less per output token ($6.00 vs $15.00 per million). Updated October 22, 2026; 103 benchmarks have a result for both.

Replace Claude Sonnet 4.6 Replace Grok 4.6
Claude Sonnet 4.6Anthropic
Coding
57.3
Overall
60.3
Output $/M
$15.00
41
Grok 4.6xAI
Coding
65.7
Overall
67.4
Output $/M
$6.00
62
vs boards won of 103 shared

Claude Sonnet 4.6 or Grok 4.6: which to pick

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 57.3 for Claude Sonnet 4.6.

Pick Claude Sonnet 4.6 for a larger context window (1M against 500K tokens) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Model AClaude Sonnet 4.6Anthropic57.3/1005 independent benchmarks$1.68 per solved taskModel BGrok 4.6xAI65.7/1006 independent benchmarks$0.82 per solved task
Shared results
103
Claude Sonnet 4.6 only
15
Grok 4.6 only
20
Like-for-like categories
8 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
Claude Sonnet 4.6 57.3 from 5 benchmarks, Grok 4.6 65.7 from 6 benchmarks.
Widest category
Coding, 12.3 points apart on average over 18 shared benchmarks.
Widest single gap
FrontierCode: Claude Sonnet 4.6 24.3% against Grok 4.6 48.0%, 36.5 points apart on a 0 to 100 scale.
Output price
Claude Sonnet 4.6 $15.00 against Grok 4.6 $6.00 per million output tokens, 2.5x apart.
Context window
Claude Sonnet 4.6 takes 1M tokens, Grok 4.6 500K.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryClaude Sonnet 4.6BarsGrok 4.6Ties
Coding216
Intelligence02
Agentic work115
Reasoning59
Math22
Knowledge64
Web design09
General255
All shared boards4162
CodingLike-for-likeSix of these boards feed the Vibe Coding Index216
Coding benchmarks for Claude Sonnet 4.6 and Grok 4.6
BenchmarkClaude Sonnet 4.6Grok 4.6Leader
LiveBench coding66.6%89.1%Grok 4.6
LMArena WebDev15231617Grok 4.6
AA Coding Index63.076.8Grok 4.6
LiveCodeBench (Vals AI)82.1%88.2%Grok 4.6
SWE-bench Verified (Vals AI)77.4%95.6%Grok 4.6
Terminal-Bench 4 (Vals AI)Not measured17.2%Only Grok 4.6 measured
Vibe Code Bench (Vals AI)55.8%76.2%Grok 4.6
Code migration (Vals AI)39.9%44.6%Grok 4.6
ProgramBench (Vals AI)0.5%1.0%Grok 4.6
IOI (Vals AI)Not measured47.6%Only Grok 4.6 measured
Terminal-Bench 2.1 (Vals AI)57.3%78.3%Grok 4.6
Vibe Code Bench 1-100 (Vals AI)Not measured14.8%Only Grok 4.6 measured
SkillsBench (Vals AI)49.0%55.8%Grok 4.6
CyberBench (Vals AI)Not measured67.7%Only Grok 4.6 measured
SciCode50.1%56.5%Grok 4.6
Terminal-Bench Hard (Artificial Analysis run)53.0%Not measuredOnly Claude Sonnet 4.6 measured
Terminal-Bench53.4%Not measuredOnly Claude Sonnet 4.6 measured
FrontierCode24.3%48.0%Grok 4.6
FrontierSWENot measured25.3%Only Grok 4.6 measured
WeirdML66.1%67.3%Grok 4.6
ALE-BenchNot measured1508.1Only Grok 4.6 measured
LMArena Text: coding15031466Claude Sonnet 4.6
LMArena Text: software and IT14911457Claude Sonnet 4.6
LMArena WebDev: React15121631Grok 4.6
LMArena WebDev: HTML15271597Grok 4.6
LMArena WebDev: from an image15291603Grok 4.6
Neither model has a result on the other 13 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for Claude Sonnet 4.6 and Grok 4.6
BenchmarkClaude Sonnet 4.6Grok 4.6Leader
AA Intelligence Index30.144.3Grok 4.6
Epoch Capabilities Index152.8156.6Grok 4.6
Agentic workLike-for-likePublic boards, shown as published, kept out of the index115
Agentic work benchmarks for Claude Sonnet 4.6 and Grok 4.6
BenchmarkClaude Sonnet 4.6Grok 4.6Leader
AA Agentic Index31.853.0Grok 4.6
Design Arena: agents building web apps11901248Grok 4.6
Design Arena: agents building full-stack apps12131264Grok 4.6
Design Arena: agents building mobile apps12121234Grok 4.6
Design Arena: agents building Android apps11971291Grok 4.6
Design Arena: agents building Godot games12261276Grok 4.6
Design Arena: agents building games11771209Grok 4.6
Design Arena: HTML slidesNot measured1250Only Grok 4.6 measured
Design Arena: PowerPoint slidesNot measured1237Only Grok 4.6 measured
LiveBench research63.6%84.5%Grok 4.6
LiveBench browser68.0%64.0%Claude Sonnet 4.6
LiveBench long agentic23.1%40.7%Grok 4.6
Finance Agent (Vals AI)51.0%53.7%Grok 4.6
Tax Agent Bench (Vals AI)25.8%33.1%Grok 4.6
Legal Research Bench (Vals AI)38.5%48.1%Grok 4.6
Excel Modeling Benchmark (Vals AI)60.2%62.7%Grok 4.6
BioMysteryBench (Vals AI)Not measured72.2%Only Grok 4.6 measured
Terminal-Bench-Science (Vals AI)Not measured11.4%Only Grok 4.6 measured
Vals Science IndexNot measured38.1%Only Grok 4.6 measured
Time Horizon Index (Vals AI)Not measured5.8%Only Grok 4.6 measured
τ²-Bench Telecom79.5%Not measuredOnly Claude Sonnet 4.6 measured
APEX-Agents43.0%65.3%Grok 4.6
OSWorld 2.09.3%Not measuredOnly Claude Sonnet 4.6 measured
DeepResearch Bench54.9%Not measuredOnly Claude Sonnet 4.6 measured
OSWorld72.1%Not measuredOnly Claude Sonnet 4.6 measured
Vending-Bench 2$7,204$9,047Grok 4.6
Neither model has a result on the other 15 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index59
Reasoning benchmarks for Claude Sonnet 4.6 and Grok 4.6
BenchmarkClaude Sonnet 4.6Grok 4.6Leader
GPQA Diamond85.6%94.7%Grok 4.6
LiveBench reasoning86.4%91.2%Grok 4.6
MysteryMechanism (Vals AI)Not measured30.6%Only Grok 4.6 measured
MMMU Pro (Vals AI)83.6%Not measuredOnly Claude Sonnet 4.6 measured
GPQA Diamond (Artificial Analysis run)87.5%94.9%Grok 4.6
Humanity's Last Exam (Artificial Analysis run)33.6%44.1%Grok 4.6
GPQA Diamond (Epoch AI run)87.4%94.0%Grok 4.6
ARC-AGI86.5%87.5%Grok 4.6
ARC-AGI-260.4%67.1%Grok 4.6
SimpleBenchNot measured75.9%Only Grok 4.6 measured
Chess puzzles23.0%33.0%Grok 4.6
Mystery game puzzles16.0%34.0%Grok 4.6
EBR-benchNot measured30.5%Only Grok 4.6 measured
LMArena Text: hard prompts14851448Claude Sonnet 4.6
LMArena Text: expert15001469Claude Sonnet 4.6
LMArena Text: hard prompts in English14931445Claude Sonnet 4.6
LMArena Vision: diagrams13061285Claude Sonnet 4.6
LMArena Vision: homework13111283Claude Sonnet 4.6
Neither model has a result on the other 4 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index22
Math benchmarks for Claude Sonnet 4.6 and Grok 4.6
BenchmarkClaude Sonnet 4.6Grok 4.6Leader
AIME92.3%Not measuredOnly Claude Sonnet 4.6 measured
OTIS Mock AIME85.8%99.2%Grok 4.6
FrontierMath, tiers 1 to 3Not measured66.0%Only Grok 4.6 measured
FrontierMath, tier 4Not measured31.7%Only Grok 4.6 measured
ProofBench45.0%51.0%Grok 4.6
LMArena Text: math14621417Claude Sonnet 4.6
LMArena Text: mathematical work14831464Claude Sonnet 4.6
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index64
Knowledge benchmarks for Claude Sonnet 4.6 and Grok 4.6
BenchmarkClaude Sonnet 4.6Grok 4.6Leader
MMLU Pro87.3%89.4%Grok 4.6
LegalBench (Vals AI)82.1%86.3%Grok 4.6
CaseLaw (Vals AI)64.0%Not measuredOnly Claude Sonnet 4.6 measured
CorpFin (Vals AI)65.3%66.2%Grok 4.6
TaxEval (Vals AI)77.1%71.1%Claude Sonnet 4.6
MortgageTax (Vals AI)67.7%64.2%Claude Sonnet 4.6
MedQA (Vals AI)92.1%Not measuredOnly Claude Sonnet 4.6 measured
MedCode (Vals AI)Not measured44.7%Only Grok 4.6 measured
SimpleQA Verified35.5%49.3%Grok 4.6
LMArena Text: science14741437Claude Sonnet 4.6
LMArena Text: medicine and healthcare14511420Claude Sonnet 4.6
LMArena Text: legal and government14701429Claude Sonnet 4.6
LMArena Text: business and finance14641416Claude Sonnet 4.6
FACTS Benchmark Suite37.0%Not measuredOnly Claude Sonnet 4.6 measured
Neither model has a result on the other 4 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index09
Web design benchmarks for Claude Sonnet 4.6 and Grok 4.6
BenchmarkClaude Sonnet 4.6Grok 4.6Leader
Design Arena: websites12841289Grok 4.6
Design Arena: UI components12691294Grok 4.6
Design Arena: game dev12581296Grok 4.6
Design Arena: data viz12781282Grok 4.6
Design Arena: 3D12341277Grok 4.6
Design Arena: all code categories12751292Grok 4.6
Design Arena: SVG11961240Grok 4.6
Design Arena: ASCII art12351279Grok 4.6
LiveBench design71.8%79.8%Grok 4.6
GeneralLike-for-likePublic boards, shown as published, kept out of the index255
General benchmarks for Claude Sonnet 4.6 and Grok 4.6
BenchmarkClaude Sonnet 4.6Grok 4.6Leader
LiveBench data analysis76.1%75.3%Claude Sonnet 4.6
Public Benefits Bench (Vals AI)62.5%66.8%Grok 4.6
SAGE (Vals AI)46.6%28.9%Claude Sonnet 4.6
MedScribe (Vals AI)Not measured86.5%Only Grok 4.6 measured
Vals Multimodal Index60.6%Not measuredOnly Claude Sonnet 4.6 measured
IFBench56.6%Not measuredOnly Claude Sonnet 4.6 measured
Long context reasoning (AA-LCR)80.0%81.0%Grok 4.6
DTBench89.9%97.3%Grok 4.6
LMCA46.5%48.5%Grok 4.6
Furniture assemblyNot measured40.0%Only Grok 4.6 measured
ExploitBench23.6%Not measuredOnly Claude Sonnet 4.6 measured
LMArena Text14581429Claude Sonnet 4.6
LMArena Text: instruction following14761431Claude Sonnet 4.6
LMArena Text: creative writing14351426Claude Sonnet 4.6
LMArena Vision12831263Claude Sonnet 4.6
LMArena Text: English14721433Claude Sonnet 4.6
LMArena Text: non-English14401420Claude Sonnet 4.6
LMArena Text: Chinese14911476Claude Sonnet 4.6
LMArena Text: German14281426Claude Sonnet 4.6
LMArena Text: Japanese14201378Claude Sonnet 4.6
LMArena Text: Korean14101391Claude Sonnet 4.6
LMArena Text: French14651455Claude Sonnet 4.6
LMArena Text: Spanish14641414Claude Sonnet 4.6
LMArena Text: Russian14401421Claude Sonnet 4.6
LMArena Text: Polish14431430Claude Sonnet 4.6
LMArena Text: multi-turn14641425Claude Sonnet 4.6
LMArena Text: longer queries14791456Claude Sonnet 4.6
LMArena Text: writing and language14441429Claude Sonnet 4.6
LMArena Text: entertainment and media14311421Claude Sonnet 4.6
LMArena Vision: English12981270Claude Sonnet 4.6
LMArena Vision: Chinese13071289Claude Sonnet 4.6
LMArena Vision: reading text12961272Claude Sonnet 4.6
LMArena Vision: humor12481270Grok 4.6
LMArena Vision: recognizing things1195Not measuredOnly Claude Sonnet 4.6 measured
LMArena Vision: creative writing12721262Claude Sonnet 4.6
LMArena Document14821452Claude Sonnet 4.6
Neither model has a result on the other 10 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Sonnet 4.6 and Grok 4.6
BenchmarkClaude Sonnet 4.6Grok 4.6Leader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Claude Sonnet 4.6$0.011Fits in one request
Grok 4.6$0.0050Fits in one request

Grok 4.6 costs less

Repository review

50K input + 3K output tokens

Claude Sonnet 4.6$0.195Fits in one request
Grok 4.6$0.118Fits in one request

Grok 4.6 costs less

Agent loop

200K input + 10K output tokens

Claude Sonnet 4.6$0.750Fits in one request
Grok 4.6$0.460Fits in one request

Grok 4.6 costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Claude Sonnet 4.6 and Grok 4.6
SpecificationAnthropic Claude Sonnet 4.6SpaceXAI Grok 4.6
MakerAnthropicxAI
WeightsNo public weights listedNo public weights listed
ReleasedFebruary 17, 2026August 12, 2026
Context window1M500K
Input $/Mtok$3.00$2.00
Output $/Mtok$15.00$6.00
Coding index57.365.7
Independent measurements behind it56
Cost per solved task$1.68$0.82
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Sonnet 4.6 better than Grok 4.6 for coding?

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 57.3 for Claude Sonnet 4.6. Pick Claude Sonnet 4.6 for a larger context window (1M against 500K tokens) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Which is cheaper, Claude Sonnet 4.6 or Grok 4.6?

Claude Sonnet 4.6 costs $3.00 per million input tokens and $15.00 per million output tokens; Grok 4.6 costs $2.00 and $6.00. Per solved SWE-bench Verified task, Claude Sonnet 4.6 costs $1.68 and Grok 4.6 $0.82.

Which has the bigger context window, Claude Sonnet 4.6 or Grok 4.6?

Claude Sonnet 4.6, with 1M tokens against 500K.

How many benchmarks is the Claude Sonnet 4.6 vs Grok 4.6 comparison based on?

103 benchmarks have a result for both models as of October 22, 2026. Claude Sonnet 4.6's coding index rests on 5 independent benchmarks and Grok 4.6's on 6. Where only one model has a result, the page says so instead of naming a winner.

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