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Gemini 3.5 Flash Lite vs Grok 4.6

Grok 4.6 leads Gemini 3.5 Flash Lite on coding, 65.7 to 49.0 on the Vibe Coding Index, and Gemini 3.5 Flash Lite costs 2.4x less per output token ($2.50 vs $6.00 per million). Updated October 22, 2026; 82 benchmarks have a result for both.

Replace Gemini 3.5 Flash Lite Replace Grok 4.6
Gemini 3.5 Flash LiteGoogle
Coding
49.0
Overall
49.8
Output $/M
$2.50
23
Grok 4.6xAI
Coding
65.7
Overall
67.4
Output $/M
$6.00
59
vs boards won of 82 shared

Gemini 3.5 Flash Lite or Grok 4.6: which to pick

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 49.0 for Gemini 3.5 Flash Lite.

Pick Gemini 3.5 Flash Lite for output tokens 2.4x cheaper ($2.50 vs $6.00 per million) and a lower cost per solved task ($0.41 against $0.82).

Model AGemini 3.5 Flash LiteGoogle49.0/1003 independent benchmarks$0.41 per solved taskModel BGrok 4.6xAI65.7/1006 independent benchmarks$0.82 per solved task
Shared results
82
Gemini 3.5 Flash Lite only
3
Grok 4.6 only
41
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
Gemini 3.5 Flash Lite 49.0 from 3 benchmarks, Grok 4.6 65.7 from 6 benchmarks.
Widest category
Agentic work, 26.7 points apart on average over 6 shared benchmarks.
Widest single gap
ARC-AGI-2: Gemini 3.5 Flash Lite 10.3% against Grok 4.6 67.1%, 56.8 points apart on a 0 to 100 scale.
Output price
Gemini 3.5 Flash Lite $2.50 against Grok 4.6 $6.00 per million output tokens, 2.4x apart.
Context window
Gemini 3.5 Flash Lite 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 3.5 Flash LiteBarsGrok 4.6Ties
Coding016
Intelligence02
Agentic work06
Reasoning112
Math15
Knowledge64
General1514
All shared boards2359
CodingLike-for-likeSix of these boards feed the Vibe Coding Index016
Coding benchmarks for Gemini 3.5 Flash Lite and Grok 4.6
BenchmarkGemini 3.5 Flash LiteGrok 4.6Leader
LiveBench codingNot measured89.1%Only Grok 4.6 measured
LMArena WebDev14351617Grok 4.6
AA Coding Index49.376.8Grok 4.6
LiveCodeBench (Vals AI)79.0%88.2%Grok 4.6
SWE-bench Verified (Vals AI)75.0%95.6%Grok 4.6
Terminal-Bench 4 (Vals AI)Not measured17.2%Only Grok 4.6 measured
Vibe Code Bench (Vals AI)37.2%76.2%Grok 4.6
Code migration (Vals AI)6.2%44.6%Grok 4.6
ProgramBench (Vals AI)0.0%1.0%Grok 4.6
IOI (Vals AI)Not measured47.6%Only Grok 4.6 measured
Terminal-Bench 2.1 (Vals AI)50.2%78.3%Grok 4.6
Vibe Code Bench 1-100 (Vals AI)Not measured14.8%Only Grok 4.6 measured
SkillsBench (Vals AI)Not measured55.8%Only Grok 4.6 measured
CyberBench (Vals AI)59.1%67.7%Grok 4.6
SciCode41.3%56.5%Grok 4.6
FrontierCodeNot measured48.0%Only Grok 4.6 measured
FrontierSWENot measured25.3%Only Grok 4.6 measured
WeirdML39.0%67.3%Grok 4.6
ALE-Bench765.31508.1Grok 4.6
LMArena Text: coding14531466Grok 4.6
LMArena Text: software and IT14511457Grok 4.6
LMArena WebDev: React14081631Grok 4.6
LMArena WebDev: HTMLNot measured1597Only Grok 4.6 measured
LMArena WebDev: from an image14481603Grok 4.6
SciCode6.2%Not measuredOnly Gemini 3.5 Flash Lite measured
Neither model has a result on the other 14 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for Gemini 3.5 Flash Lite and Grok 4.6
BenchmarkGemini 3.5 Flash LiteGrok 4.6Leader
AA Intelligence Index22.244.3Grok 4.6
Epoch Capabilities Index144.9156.6Grok 4.6
Agentic workLike-for-likePublic boards, shown as published, kept out of the index06
Agentic work benchmarks for Gemini 3.5 Flash Lite and Grok 4.6
BenchmarkGemini 3.5 Flash LiteGrok 4.6Leader
AA Agentic Index14.353.0Grok 4.6
Design Arena: agents building web appsNot measured1248Only Grok 4.6 measured
Design Arena: agents building full-stack appsNot measured1264Only Grok 4.6 measured
Design Arena: agents building mobile appsNot measured1234Only Grok 4.6 measured
Design Arena: agents building Android appsNot measured1291Only Grok 4.6 measured
Design Arena: agents building Godot gamesNot measured1276Only Grok 4.6 measured
Design Arena: agents building gamesNot measured1209Only Grok 4.6 measured
Design Arena: HTML slidesNot measured1250Only Grok 4.6 measured
Design Arena: PowerPoint slidesNot measured1237Only Grok 4.6 measured
LiveBench researchNot measured84.5%Only Grok 4.6 measured
LiveBench browserNot measured64.0%Only Grok 4.6 measured
LiveBench long agenticNot measured40.7%Only Grok 4.6 measured
Finance Agent (Vals AI)47.4%53.7%Grok 4.6
Tax Agent Bench (Vals AI)7.2%33.1%Grok 4.6
Legal Research Bench (Vals AI)13.9%48.1%Grok 4.6
Excel Modeling Benchmark (Vals AI)43.2%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
APEX-Agents29.3%65.3%Grok 4.6
Vending-Bench 2Not measured$9,047Only Grok 4.6 measured
Neither model has a result on the other 19 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index112
Reasoning benchmarks for Gemini 3.5 Flash Lite and Grok 4.6
BenchmarkGemini 3.5 Flash LiteGrok 4.6Leader
GPQA Diamond83.8%94.7%Grok 4.6
LiveBench reasoningNot measured91.2%Only Grok 4.6 measured
MysteryMechanism (Vals AI)Not measured30.6%Only Grok 4.6 measured
MMMU Pro (Vals AI)83.6%Not measuredOnly Gemini 3.5 Flash Lite measured
GPQA Diamond (Artificial Analysis run)83.8%94.9%Grok 4.6
Humanity's Last Exam (Artificial Analysis run)18.8%44.1%Grok 4.6
GPQA Diamond (Epoch AI run)83.3%94.0%Grok 4.6
ARC-AGI53.5%87.5%Grok 4.6
ARC-AGI-210.3%67.1%Grok 4.6
SimpleBenchNot measured75.9%Only Grok 4.6 measured
Chess puzzles21.0%33.0%Grok 4.6
Mystery game puzzles19.0%34.0%Grok 4.6
EBR-benchNot measured30.5%Only Grok 4.6 measured
LMArena Text: hard prompts14411448Grok 4.6
LMArena Text: expert14341469Grok 4.6
LMArena Text: hard prompts in English14401445Grok 4.6
LMArena Vision: diagrams12841285Grok 4.6
LMArena Vision: homework12911283Gemini 3.5 Flash Lite
Neither model has a result on the other 4 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index15
Math benchmarks for Gemini 3.5 Flash Lite and Grok 4.6
BenchmarkGemini 3.5 Flash LiteGrok 4.6Leader
OTIS Mock AIME71.1%99.2%Grok 4.6
FrontierMath, tiers 1 to 326.0%66.0%Grok 4.6
FrontierMath, tier 40.0%31.7%Grok 4.6
ProofBench13.0%51.0%Grok 4.6
LMArena Text: math14341417Gemini 3.5 Flash Lite
LMArena Text: mathematical work14331464Grok 4.6
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index64
Knowledge benchmarks for Gemini 3.5 Flash Lite and Grok 4.6
BenchmarkGemini 3.5 Flash LiteGrok 4.6Leader
MMLU Pro85.8%89.4%Grok 4.6
LegalBench (Vals AI)84.1%86.3%Grok 4.6
CorpFin (Vals AI)60.7%66.2%Grok 4.6
TaxEval (Vals AI)72.6%71.1%Gemini 3.5 Flash Lite
MortgageTax (Vals AI)68.7%64.2%Gemini 3.5 Flash Lite
MedCode (Vals AI)43.5%44.7%Grok 4.6
SimpleQA VerifiedNot measured49.3%Only Grok 4.6 measured
LMArena Text: science14511437Gemini 3.5 Flash Lite
LMArena Text: medicine and healthcare14381420Gemini 3.5 Flash Lite
LMArena Text: legal and government14311429Gemini 3.5 Flash Lite
LMArena Text: business and finance14231416Gemini 3.5 Flash Lite
FACTS Benchmark Suite53.5%Not measuredOnly Gemini 3.5 Flash Lite measured
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index9 boards, none shared
Web design benchmarks for Gemini 3.5 Flash Lite and Grok 4.6
BenchmarkGemini 3.5 Flash LiteGrok 4.6Leader
Design Arena: websitesNot measured1289Only Grok 4.6 measured
Design Arena: UI componentsNot measured1294Only Grok 4.6 measured
Design Arena: game devNot measured1296Only Grok 4.6 measured
Design Arena: data vizNot measured1282Only Grok 4.6 measured
Design Arena: 3DNot measured1277Only Grok 4.6 measured
Design Arena: all code categoriesNot measured1292Only Grok 4.6 measured
Design Arena: SVGNot measured1240Only Grok 4.6 measured
Design Arena: ASCII artNot measured1279Only Grok 4.6 measured
LiveBench designNot measured79.8%Only Grok 4.6 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index1514
General benchmarks for Gemini 3.5 Flash Lite and Grok 4.6
BenchmarkGemini 3.5 Flash LiteGrok 4.6Leader
LiveBench data analysisNot measured75.3%Only Grok 4.6 measured
Public Benefits Bench (Vals AI)51.8%66.8%Grok 4.6
SAGE (Vals AI)47.3%28.9%Gemini 3.5 Flash Lite
MedScribe (Vals AI)70.9%86.5%Grok 4.6
Long context reasoning (AA-LCR)76.0%81.0%Grok 4.6
DTBench83.5%97.3%Grok 4.6
LMCA37.6%48.5%Grok 4.6
Furniture assemblyNot measured40.0%Only Grok 4.6 measured
LMArena Text14351429Gemini 3.5 Flash Lite
LMArena Text: instruction following14191431Grok 4.6
LMArena Text: creative writing14211426Grok 4.6
LMArena Vision12691263Gemini 3.5 Flash Lite
LMArena Text: English14381433Gemini 3.5 Flash Lite
LMArena Text: non-English14271420Gemini 3.5 Flash Lite
LMArena Text: Chinese14681476Grok 4.6
LMArena Text: German14541426Gemini 3.5 Flash Lite
LMArena Text: Japanese14261378Gemini 3.5 Flash Lite
LMArena Text: Korean14071391Gemini 3.5 Flash Lite
LMArena Text: French14511455Grok 4.6
LMArena Text: Spanish14411414Gemini 3.5 Flash Lite
LMArena Text: Russian14431421Gemini 3.5 Flash Lite
LMArena Text: Polish14371430Gemini 3.5 Flash Lite
LMArena Text: multi-turn14451425Gemini 3.5 Flash Lite
LMArena Text: longer queries14351456Grok 4.6
LMArena Text: writing and language14281429Grok 4.6
LMArena Text: entertainment and media14141421Grok 4.6
LMArena Vision: English12691270Grok 4.6
LMArena Vision: Chinese13111289Gemini 3.5 Flash Lite
LMArena Vision: reading text12801272Gemini 3.5 Flash Lite
LMArena Vision: humor12871270Gemini 3.5 Flash Lite
LMArena Vision: creative writing12601262Grok 4.6
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 3.5 Flash Lite and Grok 4.6
BenchmarkGemini 3.5 Flash LiteGrok 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 3.5 Flash Lite$0.0015Fits in one request
Grok 4.6$0.0050Fits in one request

Gemini 3.5 Flash Lite costs less

Repository review

50K input + 3K output tokens

Gemini 3.5 Flash Lite$0.022Fits in one request
Grok 4.6$0.118Fits in one request

Gemini 3.5 Flash Lite costs less

Agent loop

200K input + 10K output tokens

Gemini 3.5 Flash Lite$0.085Fits in one request
Grok 4.6$0.460Fits in one request

Gemini 3.5 Flash Lite 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 3.5 Flash Lite and Grok 4.6
SpecificationGoogle Gemini 3.5 Flash LiteSpaceXAI Grok 4.6
MakerGooglexAI
WeightsNo public weights listedNo public weights listed
ReleasedJuly 21, 2026August 12, 2026
Context window1.05M500K
Input $/Mtok$0.30$2.00
Output $/Mtok$2.50$6.00
Coding index49.065.7
Independent measurements behind it36
Cost per solved task$0.41$0.82
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 3.5 Flash Lite better than Grok 4.6 for coding?

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 49.0 for Gemini 3.5 Flash Lite. Pick Gemini 3.5 Flash Lite for output tokens 2.4x cheaper ($2.50 vs $6.00 per million) and a lower cost per solved task ($0.41 against $0.82).

Which is cheaper, Gemini 3.5 Flash Lite or Grok 4.6?

Gemini 3.5 Flash Lite costs $0.30 per million input tokens and $2.50 per million output tokens; Grok 4.6 costs $2.00 and $6.00. Per solved SWE-bench Verified task, Gemini 3.5 Flash Lite costs $0.41 and Grok 4.6 $0.82.

Which has the bigger context window, Gemini 3.5 Flash Lite or Grok 4.6?

Gemini 3.5 Flash Lite, with 1.05M tokens against 500K.

How many benchmarks is the Gemini 3.5 Flash Lite vs Grok 4.6 comparison based on?

82 benchmarks have a result for both models as of October 22, 2026. Gemini 3.5 Flash Lite's coding index rests on 3 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-3-5-flash-lite-vs-grok-4-6">LLMBenchmark.ai, Gemini 3.5 Flash Lite vs Grok 4.6</a></p>