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Gemini 3.7 Flash vs Grok 4.6

Grok 4.6 leads Gemini 3.7 Flash on coding, 65.7 to 58.0 on the Vibe Coding Index, and Gemini 3.7 Flash costs 1.6x less per output token ($3.75 vs $6.00 per million). Updated October 22, 2026; 108 benchmarks have a result for both.

Replace Gemini 3.7 Flash Replace Grok 4.6
Gemini 3.7 FlashGoogle
Coding
58.0
Overall
65.7
Output $/M
$3.75
70
Grok 4.6xAI
Coding
65.7
Overall
67.4
Output $/M
$6.00
38
vs boards won of 108 shared

Gemini 3.7 Flash or Grok 4.6: which to pick

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 58.0 for Gemini 3.7 Flash.

Pick Gemini 3.7 Flash for output tokens 1.6x cheaper ($3.75 vs $6.00 per million) and a larger context window (1.05M against 500K tokens).

Model AGemini 3.7 FlashGoogle58.0/1006 independent benchmarks$1.78 per solved taskModel BGrok 4.6xAI65.7/1006 independent benchmarks$0.82 per solved task
Shared results
108
Gemini 3.7 Flash only
6
Grok 4.6 only
15
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
Gemini 3.7 Flash 58.0 from 6 benchmarks, Grok 4.6 65.7 from 6 benchmarks.
Widest category
General, 9.9 points apart on average over 30 shared benchmarks.
Widest single gap
Chess puzzles: Gemini 3.7 Flash 66.0% against Grok 4.6 33.0%, 33.0 points apart on a 0 to 100 scale.
Output price
Gemini 3.7 Flash $3.75 against Grok 4.6 $6.00 per million output tokens, 1.6x apart.
Context window
Gemini 3.7 Flash takes 1.05M 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
CategoryGemini 3.7 FlashBarsGrok 4.6Ties
Coding616
Intelligence11
Agentic work411
Reasoning113
Math51
Knowledge100
Web design72
General264
All shared boards7038
CodingLike-for-likeSix of these boards feed the Vibe Coding Index616
Coding benchmarks for Gemini 3.7 Flash and Grok 4.6
BenchmarkGemini 3.7 FlashGrok 4.6Leader
LiveBench coding80.5%89.1%Grok 4.6
LMArena WebDev15911617Grok 4.6
AA Coding Index71.576.8Grok 4.6
LiveCodeBench (Vals AI)88.7%88.2%Gemini 3.7 Flash
SWE-bench Verified (Vals AI)80.8%95.6%Grok 4.6
Terminal-Bench 4 (Vals AI)12.1%17.2%Grok 4.6
Vibe Code Bench (Vals AI)70.4%76.2%Grok 4.6
Code migration (Vals AI)34.8%44.6%Grok 4.6
ProgramBench (Vals AI)0.0%1.0%Grok 4.6
IOI (Vals AI)67.8%47.6%Gemini 3.7 Flash
Terminal-Bench 2.1 (Vals AI)77.5%78.3%Grok 4.6
Vibe Code Bench 1-100 (Vals AI)Not measured14.8%Only Grok 4.6 measured
SkillsBench (Vals AI)65.9%55.8%Gemini 3.7 Flash
CyberBench (Vals AI)43.8%67.7%Grok 4.6
SciCode59.8%56.5%Gemini 3.7 Flash
FrontierCode43.6%48.0%Grok 4.6
FrontierSWE20.3%25.3%Grok 4.6
WeirdMLNot measured67.3%Only Grok 4.6 measured
ALE-Bench904.31508.1Grok 4.6
LMArena Text: coding14991466Gemini 3.7 Flash
LMArena Text: software and IT14981457Gemini 3.7 Flash
LMArena WebDev: React15871631Grok 4.6
LMArena WebDev: HTML15931597Grok 4.6
LMArena WebDev: from an image15991603Grok 4.6
SciCode13.8%Not measuredOnly Gemini 3.7 Flash measured
Neither model has a result on the other 14 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index11
Intelligence benchmarks for Gemini 3.7 Flash and Grok 4.6
BenchmarkGemini 3.7 FlashGrok 4.6Leader
AA Intelligence Index39.644.3Grok 4.6
Epoch Capabilities Index158.0156.6Gemini 3.7 Flash
Agentic workLike-for-likePublic boards, shown as published, kept out of the index411
Agentic work benchmarks for Gemini 3.7 Flash and Grok 4.6
BenchmarkGemini 3.7 FlashGrok 4.6Leader
AA Agentic IndexNot measured53.0Only Grok 4.6 measured
Design Arena: agents building web apps12231248Grok 4.6
Design Arena: agents building full-stack apps12081264Grok 4.6
Design Arena: agents building mobile apps12291234Grok 4.6
Design Arena: agents building Android apps12431291Grok 4.6
Design Arena: agents building Godot games12641276Grok 4.6
Design Arena: agents building games12351209Gemini 3.7 Flash
Design Arena: HTML slidesNot measured1250Only Grok 4.6 measured
Design Arena: PowerPoint slidesNot measured1237Only Grok 4.6 measured
Design Arena: spreadsheets1058Not measuredOnly Gemini 3.7 Flash measured
LiveBench research76.5%84.5%Grok 4.6
LiveBench browser56.0%64.0%Grok 4.6
LiveBench long agentic28.3%40.7%Grok 4.6
SREBench (Vals AI)4.6%Not measuredOnly Gemini 3.7 Flash measured
Finance Agent (Vals AI)59.0%53.7%Gemini 3.7 Flash
Tax Agent Bench (Vals AI)22.8%33.1%Grok 4.6
Legal Research Bench (Vals AI)34.6%48.1%Grok 4.6
Excel Modeling Benchmark (Vals AI)71.3%62.7%Gemini 3.7 Flash
BioMysteryBench (Vals AI)Not measured72.2%Only Grok 4.6 measured
Terminal-Bench-Science (Vals AI)7.1%11.4%Grok 4.6
Vals Science IndexNot measured38.1%Only Grok 4.6 measured
Time Horizon Index (Vals AI)Not measured5.8%Only Grok 4.6 measured
APEX-Agents67.8%65.3%Gemini 3.7 Flash
Remote Labor Index5.0%Not measuredOnly Gemini 3.7 Flash measured
Vending-Bench 2Not measured$9,047Only Grok 4.6 measured
Neither model has a result on the other 16 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index113
Reasoning benchmarks for Gemini 3.7 Flash and Grok 4.6
BenchmarkGemini 3.7 FlashGrok 4.6Leader
GPQA Diamond93.9%94.7%Grok 4.6
LiveBench reasoning87.8%91.2%Grok 4.6
MysteryMechanism (Vals AI)Not measured30.6%Only Grok 4.6 measured
MMMU Pro (Vals AI)89.0%Not measuredOnly Gemini 3.7 Flash measured
GPQA Diamond (Artificial Analysis run)94.5%94.9%Grok 4.6
Humanity's Last Exam (Artificial Analysis run)47.9%44.1%Gemini 3.7 Flash
GPQA Diamond (Epoch AI run)94.8%94.0%Gemini 3.7 Flash
ARC-AGI95.5%87.5%Gemini 3.7 Flash
ARC-AGI-284.6%67.1%Gemini 3.7 Flash
SimpleBenchNot measured75.9%Only Grok 4.6 measured
Chess puzzles66.0%33.0%Gemini 3.7 Flash
Mystery game puzzles37.0%34.0%Gemini 3.7 Flash
EBR-benchNot measured30.5%Only Grok 4.6 measured
LMArena Text: hard prompts14951448Gemini 3.7 Flash
LMArena Text: expert15121469Gemini 3.7 Flash
LMArena Text: hard prompts in English14871445Gemini 3.7 Flash
LMArena Vision: diagrams13291285Gemini 3.7 Flash
LMArena Vision: homework13201283Gemini 3.7 Flash
Neither model has a result on the other 4 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index51
Math benchmarks for Gemini 3.7 Flash and Grok 4.6
BenchmarkGemini 3.7 FlashGrok 4.6Leader
OTIS Mock AIME97.2%99.2%Grok 4.6
FrontierMath, tiers 1 to 371.6%66.0%Gemini 3.7 Flash
FrontierMath, tier 436.6%31.7%Gemini 3.7 Flash
ProofBench58.0%51.0%Gemini 3.7 Flash
LMArena Text: math15111417Gemini 3.7 Flash
LMArena Text: mathematical work15021464Gemini 3.7 Flash
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index100
Knowledge benchmarks for Gemini 3.7 Flash and Grok 4.6
BenchmarkGemini 3.7 FlashGrok 4.6Leader
MMLU Pro90.1%89.4%Gemini 3.7 Flash
LegalBench (Vals AI)87.3%86.3%Gemini 3.7 Flash
CorpFin (Vals AI)Not measured66.2%Only Grok 4.6 measured
TaxEval (Vals AI)74.7%71.1%Gemini 3.7 Flash
MortgageTax (Vals AI)66.7%64.2%Gemini 3.7 Flash
MedCode (Vals AI)53.4%44.7%Gemini 3.7 Flash
SimpleQA Verified69.2%49.3%Gemini 3.7 Flash
LMArena Text: science15111437Gemini 3.7 Flash
LMArena Text: medicine and healthcare14941420Gemini 3.7 Flash
LMArena Text: legal and government14961429Gemini 3.7 Flash
LMArena Text: business and finance14791416Gemini 3.7 Flash
FACTS Benchmark Suite71.2%Not measuredOnly Gemini 3.7 Flash measured
Neither model has a result on the other 6 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index72
Web design benchmarks for Gemini 3.7 Flash and Grok 4.6
BenchmarkGemini 3.7 FlashGrok 4.6Leader
Design Arena: websites13031289Gemini 3.7 Flash
Design Arena: UI components12961294Gemini 3.7 Flash
Design Arena: game dev13171296Gemini 3.7 Flash
Design Arena: data viz13151282Gemini 3.7 Flash
Design Arena: 3D13071277Gemini 3.7 Flash
Design Arena: all code categories13081292Gemini 3.7 Flash
Design Arena: SVG12831240Gemini 3.7 Flash
Design Arena: ASCII art12761279Grok 4.6
LiveBench design73.2%79.8%Grok 4.6
GeneralLike-for-likePublic boards, shown as published, kept out of the index264
General benchmarks for Gemini 3.7 Flash and Grok 4.6
BenchmarkGemini 3.7 FlashGrok 4.6Leader
LiveBench data analysis68.0%75.3%Grok 4.6
Public Benefits Bench (Vals AI)Not measured66.8%Only Grok 4.6 measured
SAGE (Vals AI)49.2%28.9%Gemini 3.7 Flash
MedScribe (Vals AI)83.9%86.5%Grok 4.6
Long context reasoning (AA-LCR)83.0%81.0%Gemini 3.7 Flash
DTBench96.8%97.3%Grok 4.6
LMCA50.4%48.5%Gemini 3.7 Flash
Furniture assembly26.7%40.0%Grok 4.6
LMArena Text14891429Gemini 3.7 Flash
LMArena Text: instruction following14841431Gemini 3.7 Flash
LMArena Text: creative writing14881426Gemini 3.7 Flash
LMArena Vision13141263Gemini 3.7 Flash
LMArena Text: English14831433Gemini 3.7 Flash
LMArena Text: non-English14871420Gemini 3.7 Flash
LMArena Text: Chinese15521476Gemini 3.7 Flash
LMArena Text: German15061426Gemini 3.7 Flash
LMArena Text: Japanese15111378Gemini 3.7 Flash
LMArena Text: Korean14811391Gemini 3.7 Flash
LMArena Text: French15001455Gemini 3.7 Flash
LMArena Text: Spanish14951414Gemini 3.7 Flash
LMArena Text: Russian15151421Gemini 3.7 Flash
LMArena Text: Polish15031430Gemini 3.7 Flash
LMArena Text: multi-turn14851425Gemini 3.7 Flash
LMArena Text: longer queries14921456Gemini 3.7 Flash
LMArena Text: writing and language14911429Gemini 3.7 Flash
LMArena Text: entertainment and media14771421Gemini 3.7 Flash
LMArena Vision: English13091270Gemini 3.7 Flash
LMArena Vision: Chinese13941289Gemini 3.7 Flash
LMArena Vision: reading text13221272Gemini 3.7 Flash
LMArena Vision: humor12991270Gemini 3.7 Flash
LMArena Vision: creative writing13121262Gemini 3.7 Flash
LMArena DocumentNot measured1452Only Grok 4.6 measured
Neither model has a result on the other 14 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 3.7 Flash and Grok 4.6
BenchmarkGemini 3.7 FlashGrok 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

Gemini 3.7 Flash$0.0026Fits in one request
Grok 4.6$0.0050Fits in one request

Gemini 3.7 Flash costs less

Repository review

50K input + 3K output tokens

Gemini 3.7 Flash$0.049Fits in one request
Grok 4.6$0.118Fits in one request

Gemini 3.7 Flash costs less

Agent loop

200K input + 10K output tokens

Gemini 3.7 Flash$0.188Fits in one request
Grok 4.6$0.460Fits in one request

Gemini 3.7 Flash 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 Gemini 3.7 Flash and Grok 4.6
SpecificationGoogle Gemini 3.7 FlashSpaceXAI Grok 4.6
MakerGooglexAI
WeightsNo public weights listedNo public weights listed
ReleasedAugust 13, 2026August 12, 2026
Context window1.05M500K
Input $/Mtok$0.75$2.00
Output $/Mtok$3.75$6.00
Coding index58.065.7
Independent measurements behind it66
Cost per solved task$1.78$0.82
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 3.7 Flash better than Grok 4.6 for coding?

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 58.0 for Gemini 3.7 Flash. Pick Gemini 3.7 Flash for output tokens 1.6x cheaper ($3.75 vs $6.00 per million) and a larger context window (1.05M against 500K tokens).

Which is cheaper, Gemini 3.7 Flash or Grok 4.6?

Gemini 3.7 Flash costs $0.75 per million input tokens and $3.75 per million output tokens; Grok 4.6 costs $2.00 and $6.00. Per solved SWE-bench Verified task, Gemini 3.7 Flash costs $1.78 and Grok 4.6 $0.82.

Which has the bigger context window, Gemini 3.7 Flash or Grok 4.6?

Gemini 3.7 Flash, with 1.05M tokens against 500K.

How many benchmarks is the Gemini 3.7 Flash vs Grok 4.6 comparison based on?

108 benchmarks have a result for both models as of October 22, 2026. Gemini 3.7 Flash's coding index rests on 6 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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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/gemini-3-7-flash-vs-grok-4-6">LLMBenchmark.ai, Gemini 3.7 Flash vs Grok 4.6</a></p>