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GPT-6 Sol vs Grok 4.7

Updated October 21, 2026. 92 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace GPT-6 Sol Replace Grok 4.7
GPT-6 SolOpenAI
Coding
82.8
Overall
47.6
Output $/M
$10.00
62
Grok 4.7xAI
Coding
75.0
Overall
46.4
Output $/M
$6.00
30
vs boards won of 92 shared

Decision reading

Pick GPT-6 Sol for coding: it scores 82.8 on the Vibe Coding Index against 75.0 for Grok 4.7.

Pick Grok 4.7 when output tokens cost 1.7x less, or when what matters is SciCode or LiveBench research, where it leads.

Model AGPT-6 SolOpenAI82.8/1002 independent benchmarksNo cost per solved taskModel BGrok 4.7xAI75.0/1002 independent benchmarksNo cost per solved task
Shared results
92
GPT-6 Sol only
8
Grok 4.7 only
7
Like-for-like categories
8 of 9

Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.

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
GPT-6 Sol 82.8 from 2 benchmarks, Grok 4.7 75.0 from 2 benchmarks.
Widest category
Math, 28.6 points apart on average over 6 shared benchmarks.
Widest single gap
FrontierMath, tier 4: GPT-6 Sol 90.0% against Grok 4.7 17.1%, 72.9 points apart on a 0 to 100 scale.
Output price
GPT-6 Sol $10.00 against Grok 4.7 $6.00 per million output tokens, 1.7x apart.
Context window
GPT-6 Sol takes 1.05M tokens, Grok 4.7 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
CategoryGPT-6 SolBarsGrok 4.7Ties
Coding151
Intelligence20
Agentic work85
Reasoning103
Math42
Knowledge15
Web design61
General1613
All shared boards6230
CodingLike-for-likeFour of these boards feed the Vibe Coding Index151
Coding benchmarks for GPT-6 Sol and Grok 4.7
BenchmarkGPT-6 SolGrok 4.7Leader
LiveBench coding93.1%84.5%GPT-6 Sol
LMArena WebDev16831637GPT-6 Sol
Terminal-Bench 4 (Vals AI)44.4%28.8%GPT-6 Sol
Vibe Code Bench (Vals AI)87.8%86.2%GPT-6 Sol
Code migration (Vals AI)57.2%44.8%GPT-6 Sol
ProgramBench (Vals AI)2.0%0.5%GPT-6 Sol
IOI (Vals AI)82.6%57.7%GPT-6 Sol
Terminal-Bench 2.1 (Vals AI)83.2%73.4%GPT-6 Sol
SWE-bench Multimodal (Vals AI)Not measured42.9%Only Grok 4.7 measured
CyberBench (Vals AI)78.0%69.5%GPT-6 Sol
SciCode57.6%57.8%Grok 4.7
FrontierCode49.3%47.6%GPT-6 Sol
FrontierSWENot measured29.5%Only Grok 4.7 measured
ALE-Bench2462.0Not measuredOnly GPT-6 Sol measured
LMArena Text: coding14481432GPT-6 Sol
LMArena Text: software and IT14331421GPT-6 Sol
LMArena WebDev: React16851663GPT-6 Sol
LMArena WebDev: HTML16851627GPT-6 Sol
LMArena WebDev: from an image16601586GPT-6 Sol
Neither model has a result on the other 19 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for GPT-6 Sol and Grok 4.7
BenchmarkGPT-6 SolGrok 4.7Leader
AA Intelligence Index47.646.4GPT-6 Sol
Epoch Capabilities Index163.7154.4GPT-6 Sol
Agentic workLike-for-likePublic boards, shown as published, kept out of the index85
Agentic work benchmarks for GPT-6 Sol and Grok 4.7
BenchmarkGPT-6 SolGrok 4.7Leader
Design Arena: agents building web apps1232Not measuredOnly GPT-6 Sol measured
Design Arena: agents building full-stack apps1238Not measuredOnly GPT-6 Sol measured
Design Arena: agents building mobile apps1216Not measuredOnly GPT-6 Sol measured
LiveBench research69.3%86.4%Grok 4.7
LiveBench browser92.0%60.0%GPT-6 Sol
LiveBench long agentic66.9%50.1%GPT-6 Sol
SREBench (Vals AI)30.5%3.8%GPT-6 Sol
Finance Agent (Vals AI)49.0%52.3%Grok 4.7
Tax Agent Bench (Vals AI)15.0%34.2%Grok 4.7
Legal Research Bench (Vals AI)28.9%47.1%Grok 4.7
Harvey's Legal Agent Benchmark (Vals AI)Not measured18.3%Only Grok 4.7 measured
Excel Modeling Benchmark (Vals AI)71.5%67.0%GPT-6 Sol
BioMysteryBench (Vals AI)74.8%69.3%GPT-6 Sol
Terminal-Bench-Science (Vals AI)30.0%10.0%GPT-6 Sol
Vals Science Index45.0%34.8%GPT-6 Sol
Robo-bench (Vals AI)Not measured0.2%Only Grok 4.7 measured
APEX-Agents54.3%54.6%Grok 4.7
SpireClimb7.5%Not measuredOnly GPT-6 Sol measured
Vending-Bench 2$14,428$10,537GPT-6 Sol
Neither model has a result on the other 20 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index103
Reasoning benchmarks for GPT-6 Sol and Grok 4.7
BenchmarkGPT-6 SolGrok 4.7Leader
LiveBench reasoning88.7%82.7%GPT-6 Sol
MysteryMechanism (Vals AI)30.2%25.2%GPT-6 Sol
Humanity's Last Exam (Artificial Analysis run)47.9%43.1%GPT-6 Sol
GPQA Diamond (Epoch AI run)94.3%92.7%GPT-6 Sol
ARC-AGI95.5%90.2%GPT-6 Sol
ARC-AGI-289.6%61.4%GPT-6 Sol
Chess puzzles56.0%41.0%GPT-6 Sol
Mystery game puzzles56.0%29.0%GPT-6 Sol
EBR-bench53.3%Not measuredOnly GPT-6 Sol measured
LMArena Text: hard prompts14221415GPT-6 Sol
LMArena Text: expert14371439Grok 4.7
LMArena Text: hard prompts in English14201427Grok 4.7
LMArena Vision: diagrams12701254GPT-6 Sol
LMArena Vision: homework12861309Grok 4.7
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index42
Math benchmarks for GPT-6 Sol and Grok 4.7
BenchmarkGPT-6 SolGrok 4.7Leader
OTIS Mock AIME100.0%98.1%GPT-6 Sol
FrontierMath, tiers 1 to 389.8%53.0%GPT-6 Sol
FrontierMath, tier 490.0%17.1%GPT-6 Sol
ProofBench83.0%26.0%GPT-6 Sol
LMArena Text: math14071414Grok 4.7
LMArena Text: mathematical work14241435Grok 4.7
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index15
Knowledge benchmarks for GPT-6 Sol and Grok 4.7
BenchmarkGPT-6 SolGrok 4.7Leader
LegalBench (Vals AI)Not measured84.4%Only Grok 4.7 measured
MedCode (Vals AI)47.1%49.5%Grok 4.7
SimpleQA Verified60.7%56.0%GPT-6 Sol
LMArena Text: science13891419Grok 4.7
LMArena Text: medicine and healthcare13661395Grok 4.7
LMArena Text: legal and government13961423Grok 4.7
LMArena Text: business and finance13801389Grok 4.7
Neither model has a result on the other 10 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index61
Web design benchmarks for GPT-6 Sol and Grok 4.7
BenchmarkGPT-6 SolGrok 4.7Leader
Design Arena: websites12921255GPT-6 Sol
Design Arena: UI components12921271GPT-6 Sol
Design Arena: game dev13131314Grok 4.7
Design Arena: data viz12691227GPT-6 Sol
Design Arena: 3D13221269GPT-6 Sol
Design Arena: all code categories13011271GPT-6 Sol
Design Arena: SVG1318Not measuredOnly GPT-6 Sol measured
Design Arena: ASCII art1226Not measuredOnly GPT-6 Sol measured
LiveBench design82.2%78.0%GPT-6 Sol
GeneralLike-for-likePublic boards, shown as published, kept out of the index1613
General benchmarks for GPT-6 Sol and Grok 4.7
BenchmarkGPT-6 SolGrok 4.7Leader
Vals IndexNot measured58.6%Only Grok 4.7 measured
LiveBench data analysis81.2%76.9%GPT-6 Sol
Public Benefits Bench (Vals AI)56.6%65.6%Grok 4.7
SAGE (Vals AI)44.8%40.8%GPT-6 Sol
MedScribe (Vals AI)82.0%89.4%Grok 4.7
Long context reasoning (AA-LCR)83.7%80.0%GPT-6 Sol
DTBench97.3%96.0%GPT-6 Sol
LMCA59.1%49.4%GPT-6 Sol
Furniture assembly58.3%20.8%GPT-6 Sol
LMArena Text13981399Grok 4.7
LMArena Text: instruction following14131406GPT-6 Sol
LMArena Text: creative writing13781381Grok 4.7
LMArena Vision12401231GPT-6 Sol
LMArena Text: English13961411Grok 4.7
LMArena Text: non-English13881386GPT-6 Sol
LMArena Text: Chinese14121449Grok 4.7
LMArena Text: German13791366GPT-6 Sol
LMArena Text: Japanese13771359GPT-6 Sol
LMArena Text: Korean13361383Grok 4.7
LMArena Text: French13991431Grok 4.7
LMArena Text: Spanish13871406Grok 4.7
LMArena Text: Russian14021399GPT-6 Sol
LMArena Text: Polish13721420Grok 4.7
LMArena Text: multi-turn14141394GPT-6 Sol
LMArena Text: longer queries14161416Grok 4.7
LMArena Text: writing and language13891394Grok 4.7
LMArena Text: entertainment and media13731376Grok 4.7
LMArena Vision: English12291229GPT-6 Sol
LMArena Vision: ChineseNot measured1250Only Grok 4.7 measured
LMArena Vision: reading text12581241GPT-6 Sol
LMArena Vision: creative writing12191217GPT-6 Sol
Neither model has a result on the other 15 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-6 Sol and Grok 4.7
BenchmarkGPT-6 SolGrok 4.7Leader
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

GPT-6 Sol$0.0070Fits in one request
Grok 4.7$0.0050Fits in one request

Grok 4.7 costs less

Repository review

50K input + 3K output tokens

GPT-6 Sol$0.130Fits in one request
Grok 4.7$0.118Fits in one request

Grok 4.7 costs less

Agent loop

200K input + 10K output tokens

GPT-6 Sol$0.500Fits in one request
Grok 4.7$0.460Fits in one request

Grok 4.7 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 GPT-6 Sol and Grok 4.7
SpecificationOpenAI GPT-6 SolSpaceXAI Grok 4.7
MakerOpenAIxAI
WeightsNo public weights listedNo public weights listed
ReleasedSeptember 22, 2026September 21, 2026
Context window1.05M500K
Input $/Mtok$2.00$2.00
Output $/Mtok$10.00$6.00
Coding index82.875.0
Independent measurements behind it22
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-6 Sol better than Grok 4.7 for coding?

Pick GPT-6 Sol for coding: it scores 82.8 on the Vibe Coding Index against 75.0 for Grok 4.7. Pick Grok 4.7 when output tokens cost 1.7x less, or when what matters is SciCode or LiveBench research, where it leads.

Which is cheaper, GPT-6 Sol or Grok 4.7?

GPT-6 Sol costs $2.00 per million input tokens and $10.00 per million output tokens; Grok 4.7 costs $2.00 and $6.00. Cost per solved task is known for neither of them.

Which has the bigger context window, GPT-6 Sol or Grok 4.7?

GPT-6 Sol, with 1.05M tokens against 500K.

How many benchmarks is the GPT-6 Sol vs Grok 4.7 comparison based on?

92 benchmarks have a result for both models as of October 21, 2026. GPT-6 Sol's coding index rests on 2 independent benchmarks and Grok 4.7's on 2. Where only one model has a result, the page says so instead of naming a winner.

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