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Gemma 3 4B vs Kimi K3

Updated October 21, 2026. 32 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Gemma 3 4B Replace Kimi K3
Gemma 3 4BGoogle
Coding
No data
Overall
4.8
Output $/M
$0.075
0
Kimi K3Moonshot AI
Coding
62.3
Overall
43.6
Output $/M
$15.00
32
vs boards won of 32 shared

Decision reading

Only Kimi K3 has a coding score, 62.3 on the Vibe Coding Index; Gemma 3 4B has none, so the two cannot be ranked on coding.

Gemma 3 4B has the edge where output tokens cost 200.0x less.

Model AGemma 3 4BGoogleNot benchmarkedNo coding benchmarkNo cost per solved taskModel BKimi K3Moonshot AI62.3/1006 independent benchmarks$0.81 per solved task
Shared results
32
Gemma 3 4B only
7
Kimi K3 only
85
Like-for-like categories
6 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
Gemma 3 4B not benchmarked, Kimi K3 62.3 from 6 benchmarks.
Widest category
Math, 57.9 points apart on average over 3 shared benchmarks.
Widest single gap
OTIS Mock AIME: Gemma 3 4B 7.5% against Kimi K3 97.2%, 89.7 points apart on a 0 to 100 scale.
Output price
Gemma 3 4B $0.075 against Kimi K3 $15.00 per million output tokens, 200.0x apart.
Context window
Gemma 3 4B takes 131K tokens, Kimi K3 1.05M.

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
CategoryGemma 3 4BBarsKimi K3Ties
Coding03
Intelligence02
Reasoning06
Math03
Knowledge04
General014
All shared boards032
CodingLike-for-likeSix of these boards feed the Vibe Coding Index03
Coding benchmarks for Gemma 3 4B and Kimi K3
BenchmarkGemma 3 4BKimi K3Leader
LiveBench codingNot measured59.3%Only Kimi K3 measured
LMArena WebDevNot measured1655Only Kimi K3 measured
AA Coding Index2.776.2Kimi K3
LiveCodeBench (Vals AI)Not measured87.2%Only Kimi K3 measured
SWE-bench Verified (Vals AI)Not measured93.4%Only Kimi K3 measured
Terminal-Bench 4 (Vals AI)Not measured17.2%Only Kimi K3 measured
Vibe Code Bench (Vals AI)Not measured85.0%Only Kimi K3 measured
Code migration (Vals AI)Not measured16.1%Only Kimi K3 measured
ProgramBench (Vals AI)Not measured2.0%Only Kimi K3 measured
IOI (Vals AI)Not measured48.9%Only Kimi K3 measured
Terminal-Bench 2.1 (Vals AI)Not measured80.9%Only Kimi K3 measured
SWE-bench Multimodal (Vals AI)Not measured44.2%Only Kimi K3 measured
Vibe Code Bench 1-100 (Vals AI)Not measured18.2%Only Kimi K3 measured
CyberBench (Vals AI)Not measured75.2%Only Kimi K3 measured
LiveCodeBench (Artificial Analysis run)11.2%Not measuredOnly Gemma 3 4B measured
SciCodeNot measured59.5%Only Kimi K3 measured
Terminal-Bench Hard (Artificial Analysis run)0.8%Not measuredOnly Gemma 3 4B measured
FrontierCodeNot measured44.2%Only Kimi K3 measured
FrontierSWENot measured25.9%Only Kimi K3 measured
WeirdMLNot measured82.6%Only Kimi K3 measured
ALE-BenchNot measured1524.5Only Kimi K3 measured
LMArena Text: coding12301508Kimi K3
LMArena Text: software and IT12691499Kimi K3
LMArena WebDev: ReactNot measured1670Only Kimi K3 measured
LMArena WebDev: HTMLNot measured1644Only Kimi K3 measured
LMArena WebDev: from an imageNot measured1579Only Kimi K3 measured
Neither model has a result on the other 12 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for Gemma 3 4B and Kimi K3
BenchmarkGemma 3 4BKimi K3Leader
AA Intelligence Index4.843.6Kimi K3
Epoch Capabilities Index115.9157.9Kimi K3
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index25 boards, none shared
Agentic work benchmarks for Gemma 3 4B and Kimi K3
BenchmarkGemma 3 4BKimi K3Leader
AA Agentic IndexNot measured50.0Only Kimi K3 measured
Design Arena: agents building web appsNot measured1295Only Kimi K3 measured
Design Arena: agents building full-stack appsNot measured1315Only Kimi K3 measured
Design Arena: agents building mobile appsNot measured1268Only Kimi K3 measured
Design Arena: agents building Android appsNot measured1256Only Kimi K3 measured
Design Arena: agents building Godot gamesNot measured1223Only Kimi K3 measured
Design Arena: agents building gamesNot measured1252Only Kimi K3 measured
Design Arena: HTML slidesNot measured1256Only Kimi K3 measured
Design Arena: PowerPoint slidesNot measured1273Only Kimi K3 measured
Design Arena: spreadsheetsNot measured1054Only Kimi K3 measured
LiveBench researchNot measured79.0%Only Kimi K3 measured
LiveBench browserNot measured16.0%Only Kimi K3 measured
LiveBench long agenticNot measured42.8%Only Kimi K3 measured
Finance Agent (Vals AI)Not measured53.1%Only Kimi K3 measured
Tax Agent Bench (Vals AI)Not measured33.4%Only Kimi K3 measured
Legal Research Bench (Vals AI)Not measured46.1%Only Kimi K3 measured
Harvey's Legal Agent Benchmark (Vals AI)Not measured12.9%Only Kimi K3 measured
Excel Modeling Benchmark (Vals AI)Not measured66.7%Only Kimi K3 measured
BioMysteryBench (Vals AI)Not measured72.6%Only Kimi K3 measured
Terminal-Bench-Science (Vals AI)Not measured1.4%Only Kimi K3 measured
Time Horizon Index (Vals AI)Not measured10.5%Only Kimi K3 measured
τ²-Bench Telecom5.0%Not measuredOnly Gemma 3 4B measured
APEX-AgentsNot measured47.8%Only Kimi K3 measured
PostTrainBenchNot measured32.0%Only Kimi K3 measured
Vending-Bench 2Not measured$5,165Only Kimi K3 measured
Neither model has a result on the other 14 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index06
Reasoning benchmarks for Gemma 3 4B and Kimi K3
BenchmarkGemma 3 4BKimi K3Leader
GPQA DiamondNot measured92.9%Only Kimi K3 measured
LiveBench reasoningNot measured90.7%Only Kimi K3 measured
MMMU Pro (Vals AI)Not measured88.2%Only Kimi K3 measured
GPQA Diamond (Artificial Analysis run)29.1%93.5%Kimi K3
Humanity's Last Exam (Artificial Analysis run)5.3%46.9%Kimi K3
GPQA Diamond (Epoch AI run)23.2%93.1%Kimi K3
ARC-AGINot measured94.5%Only Kimi K3 measured
ARC-AGI-2Not measured60.4%Only Kimi K3 measured
SimpleBenchNot measured60.7%Only Kimi K3 measured
Chess puzzlesNot measured37.0%Only Kimi K3 measured
Mystery game puzzlesNot measured26.0%Only Kimi K3 measured
LMArena Text: hard prompts12531495Kimi K3
LMArena Text: expert12231520Kimi K3
LMArena Text: hard prompts in English12531496Kimi K3
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for Gemma 3 4B and Kimi K3
BenchmarkGemma 3 4BKimi K3Leader
AA Math Index12.7Not measuredOnly Gemma 3 4B measured
AIME 2025 (Artificial Analysis run)12.7%Not measuredOnly Gemma 3 4B measured
OTIS Mock AIME7.5%97.2%Kimi K3
FrontierMath, tiers 1 to 3Not measured72.2%Only Kimi K3 measured
FrontierMath, tier 4Not measured39.0%Only Kimi K3 measured
ProofBenchNot measured87.0%Only Kimi K3 measured
LMArena Text: math12391494Kimi K3
LMArena Text: mathematical work12561505Kimi K3
Neither model has a result on the other 5 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Gemma 3 4B and Kimi K3
BenchmarkGemma 3 4BKimi K3Leader
MMLU ProNot measured88.0%Only Kimi K3 measured
LegalBench (Vals AI)Not measured86.2%Only Kimi K3 measured
CorpFin (Vals AI)Not measured71.6%Only Kimi K3 measured
TaxEval (Vals AI)Not measured75.7%Only Kimi K3 measured
MortgageTax (Vals AI)Not measured66.3%Only Kimi K3 measured
MedCode (Vals AI)Not measured49.4%Only Kimi K3 measured
MMLU Pro (Artificial Analysis run)41.7%Not measuredOnly Gemma 3 4B measured
SimpleQA VerifiedNot measured50.6%Only Kimi K3 measured
LMArena Text: science13061508Kimi K3
LMArena Text: medicine and healthcare13421489Kimi K3
LMArena Text: legal and government13271503Kimi K3
LMArena Text: business and finance13111470Kimi K3
Neither model has a result on the other 5 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Gemma 3 4B and Kimi K3
BenchmarkGemma 3 4BKimi K3Leader
Design Arena: websitesNot measured1335Only Kimi K3 measured
Design Arena: UI componentsNot measured1344Only Kimi K3 measured
Design Arena: game devNot measured1360Only Kimi K3 measured
Design Arena: data vizNot measured1350Only Kimi K3 measured
Design Arena: 3DNot measured1388Only Kimi K3 measured
Design Arena: all code categoriesNot measured1361Only Kimi K3 measured
Design Arena: SVGNot measured1302Only Kimi K3 measured
LiveBench designNot measured77.2%Only Kimi K3 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index014
General benchmarks for Gemma 3 4B and Kimi K3
BenchmarkGemma 3 4BKimi K3Leader
Vals IndexNot measured53.0%Only Kimi K3 measured
LiveBench data analysisNot measured78.7%Only Kimi K3 measured
Public Benefits Bench (Vals AI)Not measured68.2%Only Kimi K3 measured
SAGE (Vals AI)Not measured52.8%Only Kimi K3 measured
MedScribe (Vals AI)Not measured88.0%Only Kimi K3 measured
Vals Multimodal IndexNot measured73.4%Only Kimi K3 measured
IFBench28.3%Not measuredOnly Gemma 3 4B measured
Long context reasoning (AA-LCR)6.7%88.7%Kimi K3
DTBench50.9%91.2%Kimi K3
LMCA2.8%52.7%Kimi K3
Surface Evolver BenchNot measured95.0%Only Kimi K3 measured
Furniture assemblyNot measured34.2%Only Kimi K3 measured
LMArena Text12911476Kimi K3
LMArena Text: instruction following12391485Kimi K3
LMArena Text: creative writing12701457Kimi K3
LMArena Text: English13001481Kimi K3
LMArena Text: non-English12731466Kimi K3
LMArena Text: ChineseNot measured1529Only Kimi K3 measured
LMArena Text: German12811490Kimi K3
LMArena Text: JapaneseNot measured1494Only Kimi K3 measured
LMArena Text: KoreanNot measured1460Only Kimi K3 measured
LMArena Text: FrenchNot measured1492Only Kimi K3 measured
LMArena Text: SpanishNot measured1472Only Kimi K3 measured
LMArena Text: Russian12941485Kimi K3
LMArena Text: PolishNot measured1458Only Kimi K3 measured
LMArena Text: multi-turn12551489Kimi K3
LMArena Text: longer queries12731494Kimi K3
LMArena Text: writing and language12881471Kimi K3
LMArena Text: entertainment and media12331453Kimi K3
Neither model has a result on the other 17 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemma 3 4B and Kimi K3
BenchmarkGemma 3 4BKimi K3Leader
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

Gemma 3 4B$0.0001Fits in one request
Kimi K3$0.011Fits in one request

Gemma 3 4B costs less

Repository review

50K input + 3K output tokens

Gemma 3 4B$0.0025Fits in one request
Kimi K3$0.195Fits in one request

Gemma 3 4B costs less

Agent loop

200K input + 10K output tokens

Gemma 3 4B$0.0097Exceeds the context window
Kimi K3$0.750Fits in one request

Gemma 3 4B 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 Gemma 3 4B and Kimi K3
SpecificationGoogle Gemma 3 4BMoonshotAI Kimi K3
MakerGoogleMoonshot AI
WeightsOpen weightsOpen weights
ReleasedMarch 13, 2025July 16, 2026
Context window131K1.05M
Input $/Mtok$0.045$3.00
Output $/Mtok$0.075$15.00
Coding indexNot benchmarked62.3
Independent measurements behind it06
Cost per solved taskNot computable$0.81
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemma 3 4B better than Kimi K3 for coding?

Only Kimi K3 has a coding score, 62.3 on the Vibe Coding Index; Gemma 3 4B has none, so the two cannot be ranked on coding. Gemma 3 4B has the edge where output tokens cost 200.0x less.

Which is cheaper, Gemma 3 4B or Kimi K3?

Gemma 3 4B costs $0.045 per million input tokens and $0.075 per million output tokens; Kimi K3 costs $3.00 and $15.00. Cost per solved task is known for Kimi K3 only.

Which has the bigger context window, Gemma 3 4B or Kimi K3?

Kimi K3, with 1.05M tokens against 131K.

How many benchmarks is the Gemma 3 4B vs Kimi K3 comparison based on?

32 benchmarks have a result for both models as of October 21, 2026. Gemma 3 4B's coding index rests on 0 independent benchmarks and Kimi K3's on 6. Where only one model has a result, the page says so instead of naming a winner.

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