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Gemma 3 4B vs o4 Mini

Updated October 21, 2026. 38 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 o4 Mini
Gemma 3 4BGoogle
Coding
No data
Overall
4.8
Output $/M
$0.075
0
o4 MiniOpenAI
Coding
No data
Overall
16.7
Output $/M
$4.40
38
vs boards won of 38 shared

Decision reading

Neither model has a coding score yet, so the two cannot be ranked on coding.

Gemma 3 4B has the edge where output tokens cost 58.7x less, and where what matters is LiveCodeBench (Artificial Analysis run) or Terminal-Bench Hard (Artificial Analysis run), where it leads.

Model AGemma 3 4BGoogleNot benchmarkedNo coding benchmarkNo cost per solved taskModel Bo4 MiniOpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
38
Gemma 3 4B only
1
o4 Mini only
56
Like-for-like categories
7 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, o4 Mini not benchmarked.
Widest category
Math, 55.1 points apart on average over 5 shared benchmarks.
Widest single gap
AA Math Index: Gemma 3 4B 12.7 against o4 Mini 90.7, 78.0 points apart on a 0 to 100 scale.
Output price
Gemma 3 4B $0.075 against o4 Mini $4.40 per million output tokens, 58.7x apart.
Context window
Gemma 3 4B takes 131K tokens, o4 Mini 200K.

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 4BBarso4 MiniTies
Coding04
Intelligence02
Agentic work01
Reasoning06
Math05
Knowledge05
General015
All shared boards038
CodingLike-for-likeSix of these boards feed the Vibe Coding Index04
Coding benchmarks for Gemma 3 4B and o4 Mini
BenchmarkGemma 3 4Bo4 MiniLeader
Aider polyglotNot measured72.0%Only o4 Mini measured
SWE-bench VerifiedNot measured64.6%Only o4 Mini measured
SWE-bench MultimodalNot measured33.9%Only o4 Mini measured
AA Coding Index2.7Not measuredOnly Gemma 3 4B measured
LiveCodeBench (Vals AI)Not measured82.2%Only o4 Mini measured
LiveCodeBench (Artificial Analysis run)11.2%85.9%o4 Mini
Terminal-Bench Hard (Artificial Analysis run)0.8%15.2%o4 Mini
GSO-BenchNot measured3.6%Only o4 Mini measured
WeirdMLNot measured52.6%Only o4 Mini measured
LMArena Text: coding12301368o4 Mini
LMArena Text: software and IT12691367o4 Mini
Neither model has a result on the other 27 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for Gemma 3 4B and o4 Mini
BenchmarkGemma 3 4Bo4 MiniLeader
AA Intelligence Index4.816.7o4 Mini
Epoch Capabilities Index115.9145.5o4 Mini
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for Gemma 3 4B and o4 Mini
BenchmarkGemma 3 4Bo4 MiniLeader
τ²-Bench Telecom5.0%55.6%o4 Mini
METR time horizonsNot measured63.9%Only o4 Mini measured
Neither model has a result on the other 37 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index06
Reasoning benchmarks for Gemma 3 4B and o4 Mini
BenchmarkGemma 3 4Bo4 MiniLeader
GPQA DiamondNot measured74.5%Only o4 Mini measured
MMMU Pro (Vals AI)Not measured79.7%Only o4 Mini measured
GPQA Diamond (Artificial Analysis run)29.1%78.4%o4 Mini
Humanity's Last Exam (Artificial Analysis run)5.3%16.5%o4 Mini
GPQA Diamond (Epoch AI run)23.2%79.6%o4 Mini
ARC-AGINot measured58.7%Only o4 Mini measured
ARC-AGI-2Not measured6.1%Only o4 Mini measured
SimpleBenchNot measured38.7%Only o4 Mini measured
Chess puzzlesNot measured22.0%Only o4 Mini measured
Mystery game puzzlesNot measured5.0%Only o4 Mini measured
VPCTNot measured57.5%Only o4 Mini measured
LMArena Text: hard prompts12531351o4 Mini
LMArena Text: expert12231343o4 Mini
LMArena Text: hard prompts in English12531366o4 Mini
LMArena Vision: diagramsNot measured1197Only o4 Mini measured
LMArena Vision: homeworkNot measured1234Only o4 Mini measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index05
Math benchmarks for Gemma 3 4B and o4 Mini
BenchmarkGemma 3 4Bo4 MiniLeader
AIMENot measured83.7%Only o4 Mini measured
MATH 500 (Vals AI)Not measured94.2%Only o4 Mini measured
MGSM (Vals AI)Not measured93.4%Only o4 Mini measured
AA Math Index12.790.7o4 Mini
AIME 2025 (Artificial Analysis run)12.7%90.7%o4 Mini
OTIS Mock AIME7.5%81.7%o4 Mini
FrontierMath, tiers 1 to 3Not measured36.1%Only o4 Mini measured
FrontierMath, tier 4Not measured4.9%Only o4 Mini measured
MATH level 5Not measured97.8%Only o4 Mini measured
LMArena Text: math12391389o4 Mini
LMArena Text: mathematical work12561379o4 Mini
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index05
Knowledge benchmarks for Gemma 3 4B and o4 Mini
BenchmarkGemma 3 4Bo4 MiniLeader
MMLU ProNot measured80.6%Only o4 Mini measured
LegalBench (Vals AI)Not measured79.2%Only o4 Mini measured
CorpFin (Vals AI)Not measured59.0%Only o4 Mini measured
TaxEval (Vals AI)Not measured74.8%Only o4 Mini measured
MortgageTax (Vals AI)Not measured64.8%Only o4 Mini measured
MedQA (Vals AI)Not measured96.0%Only o4 Mini measured
MedCode (Vals AI)Not measured33.8%Only o4 Mini measured
MMLU Pro (Artificial Analysis run)41.7%83.2%o4 Mini
SimpleQA VerifiedNot measured19.6%Only o4 Mini measured
GeoBenchNot measured64.0%Only o4 Mini measured
LMArena Text: science13061354o4 Mini
LMArena Text: medicine and healthcare13421361o4 Mini
LMArena Text: legal and government13271350o4 Mini
LMArena Text: business and finance13111325o4 Mini
Neither model has a result on the other 3 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Web design benchmarks for Gemma 3 4B and o4 Mini
BenchmarkGemma 3 4Bo4 MiniLeader
Design Arena: websitesNot measured985Only o4 Mini measured
Design Arena: UI componentsNot measured983Only o4 Mini measured
Design Arena: game devNot measured1003Only o4 Mini measured
Design Arena: data vizNot measured990Only o4 Mini measured
Design Arena: 3DNot measured854Only o4 Mini measured
Design Arena: all code categoriesNot measured976Only o4 Mini measured
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index015
General benchmarks for Gemma 3 4B and o4 Mini
BenchmarkGemma 3 4Bo4 MiniLeader
SAGE (Vals AI)Not measured41.1%Only o4 Mini measured
MedScribe (Vals AI)Not measured69.1%Only o4 Mini measured
IFBench28.3%68.7%o4 Mini
Long context reasoning (AA-LCR)6.7%61.0%o4 Mini
DTBench50.9%77.6%o4 Mini
LMCA2.8%26.5%o4 Mini
Fiction.LiveBenchNot measured77.8%Only o4 Mini measured
Creative writing (Lech Mazur)Not measured75.0%Only o4 Mini measured
LMArena Text12911353o4 Mini
LMArena Text: instruction following12391320o4 Mini
LMArena Text: creative writing12701294o4 Mini
LMArena VisionNot measured1194Only o4 Mini measured
LMArena Text: English13001367o4 Mini
LMArena Text: non-English12731337o4 Mini
LMArena Text: ChineseNot measured1354Only o4 Mini measured
LMArena Text: German12811336o4 Mini
LMArena Text: JapaneseNot measured1308Only o4 Mini measured
LMArena Text: KoreanNot measured1312Only o4 Mini measured
LMArena Text: FrenchNot measured1364Only o4 Mini measured
LMArena Text: SpanishNot measured1346Only o4 Mini measured
LMArena Text: Russian12941334o4 Mini
LMArena Text: PolishNot measured1358Only o4 Mini measured
LMArena Text: multi-turn12551350o4 Mini
LMArena Text: longer queries12731315o4 Mini
LMArena Text: writing and language12881316o4 Mini
LMArena Text: entertainment and media12331308o4 Mini
LMArena Vision: EnglishNot measured1200Only o4 Mini measured
LMArena Vision: ChineseNot measured1218Only o4 Mini measured
LMArena Vision: reading textNot measured1197Only o4 Mini measured
LMArena Vision: humorNot measured1199Only o4 Mini measured
LMArena Vision: captioningNot measured1204Only o4 Mini measured
LMArena Vision: recognizing thingsNot measured1218Only o4 Mini measured
LMArena Vision: creative writingNot measured1166Only o4 Mini measured
Neither model has a result on the other 13 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 o4 Mini
BenchmarkGemma 3 4Bo4 MiniLeader
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
o4 Mini$0.0033Fits in one request

Gemma 3 4B costs less

Repository review

50K input + 3K output tokens

Gemma 3 4B$0.0025Fits in one request
o4 Mini$0.068Fits in one request

Gemma 3 4B costs less

Agent loop

200K input + 10K output tokens

Gemma 3 4B$0.0097Exceeds the context window
o4 Mini$0.264Exceeds the context window

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 o4 Mini
SpecificationGoogle Gemma 3 4BOpenAI o4 Mini
MakerGoogleOpenAI
WeightsOpen weightsNo public weights listed
ReleasedMarch 13, 2025April 16, 2025
Context window131K200K
Input $/Mtok$0.045$1.10
Output $/Mtok$0.075$4.40
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemma 3 4B better than o4 Mini for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Gemma 3 4B has the edge where output tokens cost 58.7x less, and where what matters is LiveCodeBench (Artificial Analysis run) or Terminal-Bench Hard (Artificial Analysis run), where it leads.

Which is cheaper, Gemma 3 4B or o4 Mini?

Gemma 3 4B costs $0.045 per million input tokens and $0.075 per million output tokens; o4 Mini costs $1.10 and $4.40. Cost per solved task is known for neither of them.

Which has the bigger context window, Gemma 3 4B or o4 Mini?

o4 Mini, with 200K tokens against 131K.

How many benchmarks is the Gemma 3 4B vs o4 Mini comparison based on?

38 benchmarks have a result for both models as of October 21, 2026. Gemma 3 4B's coding index rests on 0 independent benchmarks and o4 Mini's on 0. Where only one model has a result, the page says so instead of naming a winner.

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