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GPT-5.4 Mini vs Grok 4.7

Grok 4.7 leads GPT-5.4 Mini on coding, 66.7 to 35.8 on the Vibe Coding Index, and GPT-5.4 Mini costs 1.3x less per output token ($4.50 vs $6.00 per million). Updated October 22, 2026; 66 benchmarks have a result for both.

Replace GPT-5.4 Mini Replace Grok 4.7
GPT-5.4 MiniOpenAI
Coding
35.8
Overall
44.0
Output $/M
$4.50
20
Grok 4.7xAI
Coding
66.7
Overall
66.6
Output $/M
$6.00
46
vs boards won of 66 shared

GPT-5.4 Mini or Grok 4.7: which to pick

Pick Grok 4.7 for coding: it scores 66.7 on the Vibe Coding Index against 35.8 for GPT-5.4 Mini.

Pick GPT-5.4 Mini for output tokens 1.3x cheaper ($4.50 vs $6.00 per million) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Model AGPT-5.4 MiniOpenAI35.8/1005 independent benchmarks$0.70 per solved taskModel BGrok 4.7xAI66.7/1005 independent benchmarksNo cost per solved task
Shared results
66
GPT-5.4 Mini only
23
Grok 4.7 only
33
Like-for-like categories
7 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
GPT-5.4 Mini 35.8 from 5 benchmarks, Grok 4.7 66.7 from 5 benchmarks.
Widest category
Agentic work, 22.1 points apart on average over 4 shared benchmarks.
Widest single gap
ARC-AGI-2: GPT-5.4 Mini 18.9% against Grok 4.7 61.4%, 42.5 points apart on a 0 to 100 scale.
Output price
GPT-5.4 Mini $4.50 against Grok 4.7 $6.00 per million output tokens, 1.3x apart.
Context window
GPT-5.4 Mini takes 400K 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-5.4 MiniBarsGrok 4.7Ties
Coding210
Intelligence02
Agentic work04
Reasoning29
Math15
Knowledge14
General1412
All shared boards2046
CodingLike-for-likeSix of these boards feed the Vibe Coding Index210
Coding benchmarks for GPT-5.4 Mini and Grok 4.7
BenchmarkGPT-5.4 MiniGrok 4.7Leader
LiveBench codingNot measured84.5%Only Grok 4.7 measured
LMArena WebDev13971637Grok 4.7
AA Coding Index56.1Not measuredOnly GPT-5.4 Mini measured
LiveCodeBench (Vals AI)81.5%Not measuredOnly GPT-5.4 Mini measured
SWE-bench Verified (Vals AI)73.0%Not measuredOnly GPT-5.4 Mini measured
Terminal-Bench 4 (Vals AI)2.5%28.8%Grok 4.7
Vibe Code Bench (Vals AI)48.0%86.2%Grok 4.7
Code migration (Vals AI)12.9%44.8%Grok 4.7
ProgramBench (Vals AI)0.0%0.5%Grok 4.7
IOI (Vals AI)Not measured57.7%Only Grok 4.7 measured
Terminal-Bench 2.1 (Vals AI)54.7%73.4%Grok 4.7
SWE-bench Multimodal (Vals AI)Not measured42.9%Only Grok 4.7 measured
CyberBench (Vals AI)Not measured69.5%Only Grok 4.7 measured
SciCode52.1%57.8%Grok 4.7
Terminal-Bench Hard (Artificial Analysis run)52.3%Not measuredOnly GPT-5.4 Mini measured
FrontierCode27.0%47.6%Grok 4.7
FrontierSWENot measured29.5%Only Grok 4.7 measured
WeirdML60.3%Not measuredOnly GPT-5.4 Mini measured
ALE-Bench1188.6Not measuredOnly GPT-5.4 Mini measured
LMArena Text: coding14381432GPT-5.4 Mini
LMArena Text: software and IT14361421GPT-5.4 Mini
LMArena WebDev: React13861663Grok 4.7
LMArena WebDev: HTML14191627Grok 4.7
LMArena WebDev: from an imageNot measured1586Only Grok 4.7 measured
Neither model has a result on the other 15 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for GPT-5.4 Mini and Grok 4.7
BenchmarkGPT-5.4 MiniGrok 4.7Leader
AA Intelligence Index24.146.4Grok 4.7
Epoch Capabilities Index148.7154.4Grok 4.7
Agentic workLike-for-likePublic boards, shown as published, kept out of the index04
Agentic work benchmarks for GPT-5.4 Mini and Grok 4.7
BenchmarkGPT-5.4 MiniGrok 4.7Leader
AA Agentic Index17.9Not measuredOnly GPT-5.4 Mini measured
LiveBench researchNot measured86.4%Only Grok 4.7 measured
LiveBench browserNot measured60.0%Only Grok 4.7 measured
LiveBench long agenticNot measured50.1%Only Grok 4.7 measured
SREBench (Vals AI)Not measured3.8%Only Grok 4.7 measured
Finance Agent (Vals AI)45.4%52.3%Grok 4.7
Tax Agent Bench (Vals AI)8.8%34.2%Grok 4.7
Legal Research Bench (Vals AI)12.5%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)45.4%67.0%Grok 4.7
BioMysteryBench (Vals AI)Not measured69.3%Only Grok 4.7 measured
Terminal-Bench-Science (Vals AI)Not measured10.0%Only Grok 4.7 measured
Vals Science IndexNot measured34.8%Only Grok 4.7 measured
Robo-bench (Vals AI)Not measured0.2%Only Grok 4.7 measured
τ²-Bench Telecom83.3%Not measuredOnly GPT-5.4 Mini measured
APEX-AgentsNot measured54.6%Only Grok 4.7 measured
DeepResearch Bench36.3%Not measuredOnly GPT-5.4 Mini measured
Vending-Bench 2Not measured$10,537Only Grok 4.7 measured
Neither model has a result on the other 23 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index29
Reasoning benchmarks for GPT-5.4 Mini and Grok 4.7
BenchmarkGPT-5.4 MiniGrok 4.7Leader
GPQA Diamond83.1%Not measuredOnly GPT-5.4 Mini measured
LiveBench reasoningNot measured82.7%Only Grok 4.7 measured
MysteryMechanism (Vals AI)Not measured25.2%Only Grok 4.7 measured
MMMU Pro (Vals AI)79.3%Not measuredOnly GPT-5.4 Mini measured
GPQA Diamond (Artificial Analysis run)87.5%Not measuredOnly GPT-5.4 Mini measured
Humanity's Last Exam (Artificial Analysis run)28.1%43.1%Grok 4.7
GPQA Diamond (Epoch AI run)86.9%92.7%Grok 4.7
ARC-AGI63.7%90.2%Grok 4.7
ARC-AGI-218.9%61.4%Grok 4.7
Chess puzzles23.0%41.0%Grok 4.7
Mystery game puzzles11.0%29.0%Grok 4.7
LMArena Text: hard prompts14241415GPT-5.4 Mini
LMArena Text: expert14351439Grok 4.7
LMArena Text: hard prompts in English14201427Grok 4.7
LMArena Vision: diagrams12661254GPT-5.4 Mini
LMArena Vision: homework12851309Grok 4.7
Kagi LLM Benchmark37.9%Not measuredOnly GPT-5.4 Mini measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index15
Math benchmarks for GPT-5.4 Mini and Grok 4.7
BenchmarkGPT-5.4 MiniGrok 4.7Leader
AIME95.6%Not measuredOnly GPT-5.4 Mini measured
OTIS Mock AIME88.9%98.1%Grok 4.7
FrontierMath, tiers 1 to 351.2%53.0%Grok 4.7
FrontierMath, tier 49.8%17.1%Grok 4.7
ProofBench21.0%26.0%Grok 4.7
LMArena Text: math14181414GPT-5.4 Mini
LMArena Text: mathematical work14291435Grok 4.7
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index14
Knowledge benchmarks for GPT-5.4 Mini and Grok 4.7
BenchmarkGPT-5.4 MiniGrok 4.7Leader
MMLU Pro84.5%Not measuredOnly GPT-5.4 Mini measured
LegalBench (Vals AI)Not measured84.4%Only Grok 4.7 measured
CaseLaw (Vals AI)51.7%Not measuredOnly GPT-5.4 Mini measured
CorpFin (Vals AI)60.9%Not measuredOnly GPT-5.4 Mini measured
TaxEval (Vals AI)71.2%Not measuredOnly GPT-5.4 Mini measured
MortgageTax (Vals AI)63.5%Not measuredOnly GPT-5.4 Mini measured
MedCode (Vals AI)Not measured49.5%Only Grok 4.7 measured
SimpleQA Verified29.4%56.0%Grok 4.7
LMArena Text: science14171419Grok 4.7
LMArena Text: medicine and healthcare13951395Grok 4.7
LMArena Text: legal and government14141423Grok 4.7
LMArena Text: business and finance14181389GPT-5.4 Mini
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
Web design benchmarks for GPT-5.4 Mini and Grok 4.7
BenchmarkGPT-5.4 MiniGrok 4.7Leader
Design Arena: websitesNot measured1255Only Grok 4.7 measured
Design Arena: UI componentsNot measured1275Only Grok 4.7 measured
Design Arena: game devNot measured1314Only Grok 4.7 measured
Design Arena: data vizNot measured1238Only Grok 4.7 measured
Design Arena: 3DNot measured1274Only Grok 4.7 measured
Design Arena: all code categoriesNot measured1273Only Grok 4.7 measured
LiveBench designNot measured78.0%Only Grok 4.7 measured
Neither model has a result on the other 2 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index1412
General benchmarks for GPT-5.4 Mini and Grok 4.7
BenchmarkGPT-5.4 MiniGrok 4.7Leader
Vals IndexNot measured58.6%Only Grok 4.7 measured
LiveBench data analysisNot measured76.9%Only Grok 4.7 measured
Public Benefits Bench (Vals AI)Not measured65.6%Only Grok 4.7 measured
SAGE (Vals AI)50.8%40.8%GPT-5.4 Mini
MedScribe (Vals AI)Not measured89.4%Only Grok 4.7 measured
Vals Multimodal Index54.2%Not measuredOnly GPT-5.4 Mini measured
IFBench73.3%Not measuredOnly GPT-5.4 Mini measured
Long context reasoning (AA-LCR)77.0%80.0%Grok 4.7
DTBench80.0%96.0%Grok 4.7
LMCA40.8%49.4%Grok 4.7
Furniture assemblyNot measured20.8%Only Grok 4.7 measured
LMArena Text14121399GPT-5.4 Mini
LMArena Text: instruction following14051406Grok 4.7
LMArena Text: creative writing13701381Grok 4.7
LMArena Vision12451231GPT-5.4 Mini
LMArena Text: English14121411GPT-5.4 Mini
LMArena Text: non-English14051386GPT-5.4 Mini
LMArena Text: Chinese14461449Grok 4.7
LMArena Text: German14081366GPT-5.4 Mini
LMArena Text: Japanese13751359GPT-5.4 Mini
LMArena Text: Korean13701383Grok 4.7
LMArena Text: French14411431GPT-5.4 Mini
LMArena Text: Spanish14051406Grok 4.7
LMArena Text: Russian14171399GPT-5.4 Mini
LMArena Text: Polish14151420Grok 4.7
LMArena Text: multi-turn14291394GPT-5.4 Mini
LMArena Text: longer queries14081416Grok 4.7
LMArena Text: writing and language13931394Grok 4.7
LMArena Text: entertainment and media13731376Grok 4.7
LMArena Vision: English12441229GPT-5.4 Mini
LMArena Vision: Chinese12861250GPT-5.4 Mini
LMArena Vision: reading text12531241GPT-5.4 Mini
LMArena Vision: humor1235Not measuredOnly GPT-5.4 Mini measured
LMArena Vision: recognizing things1218Not measuredOnly GPT-5.4 Mini measured
LMArena Vision: creative writing12221217GPT-5.4 Mini
Neither model has a result on the other 11 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-5.4 Mini and Grok 4.7
BenchmarkGPT-5.4 MiniGrok 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-5.4 Mini$0.0030Fits in one request
Grok 4.7$0.0050Fits in one request

GPT-5.4 Mini costs less

Repository review

50K input + 3K output tokens

GPT-5.4 Mini$0.051Fits in one request
Grok 4.7$0.118Fits in one request

GPT-5.4 Mini costs less

Agent loop

200K input + 10K output tokens

GPT-5.4 Mini$0.195Fits in one request
Grok 4.7$0.460Fits in one request

GPT-5.4 Mini 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-5.4 Mini and Grok 4.7
SpecificationOpenAI GPT-5.4 MiniSpaceXAI Grok 4.7
MakerOpenAIxAI
WeightsNo public weights listedNo public weights listed
ReleasedMarch 17, 2026September 21, 2026
Context window400K500K
Input $/Mtok$0.75$2.00
Output $/Mtok$4.50$6.00
Coding index35.866.7
Independent measurements behind it55
Cost per solved task$0.70Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-5.4 Mini better than Grok 4.7 for coding?

Pick Grok 4.7 for coding: it scores 66.7 on the Vibe Coding Index against 35.8 for GPT-5.4 Mini. Pick GPT-5.4 Mini for output tokens 1.3x cheaper ($4.50 vs $6.00 per million) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Which is cheaper, GPT-5.4 Mini or Grok 4.7?

GPT-5.4 Mini costs $0.75 per million input tokens and $4.50 per million output tokens; Grok 4.7 costs $2.00 and $6.00. Cost per solved task is known for GPT-5.4 Mini only.

Which has the bigger context window, GPT-5.4 Mini or Grok 4.7?

Grok 4.7, with 500K tokens against 400K.

How many benchmarks is the GPT-5.4 Mini vs Grok 4.7 comparison based on?

66 benchmarks have a result for both models as of October 22, 2026. GPT-5.4 Mini's coding index rests on 5 independent benchmarks and Grok 4.7's on 5. Where only one model has a result, the page says so instead of naming a winner.

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