Model comparison

Gemma 3 4B vs GPT-4o

Gemma 3 4B and GPT-4o score almost the same on the Noometry Index (28.1 vs 28.6), so choose on price, context window or the category you care about most.

Last verified . 19 shared benchmarks.

Gemma 3 4B Google

28.1

Rank #326 Confirmed

GPT-4o OpenAI

28.6

Rank #324 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Gemma 3 4B scores higher in 3 categories and GPT-4o in 6 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-4o leads 28.8 to 11.8.
  • The biggest single-benchmark swing is GPQA Diamond: 23.2% for Gemma 3 4B and 49.2% for GPT-4o.
  • Gemma 3 4B is cheaper at $0.04 / $0.08 per million input/output tokens, against $2.50 / $10 for GPT-4o.
  • Gemma 3 4B accepts more context: 131K tokens versus 128K.
  • Gemma 3 4B has downloadable open weights; the other is API-only.

Side by side

Gemma 3 4B and GPT-4o specifications
Gemma 3 4BGPT-4o
ProviderGoogleOpenAI
Noometry Index28.128.6
Released2025-03-122024-05-13
WeightsOpenProprietary
Context window131K128K
Max output4K16K
Input $ / M tokens$0.04$2.50
Output $ / M tokens$0.08$10
Results tracked2272

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Category by category

Coding Gemma 3 4B leads

Gemma 3 4B: 35.9 (#215), GPT-4o: 24.8 (#328)

Coding benchmarks
BenchmarkGemma 3 4BGPT-4o
LMArena Coding12301297
SWE-bench Verified—31%
SWE-bench Verified (bash only)—21.6%
Aider Polyglot—45.3%
GSO—0%
WeirdML—25.1%
BigCodeBench Instruct—51.1%
LiveBench Coding—51.4%
BigCodeBench Complete—61.1%
CadEval—26%
HumanEval+—87.2%
MBPP+—72.2%

Agentic & Tool Use Too close to call

Gemma 3 4B: 20.9 (#142), GPT-4o: 21.0 (#141)

Agentic & Tool Use benchmarks
BenchmarkGemma 3 4BGPT-4o
Berkeley Function Calling Leaderboard19.6%—
GDPval—9.9%
TheAgentCompany—8.6%
Cybench—12.5%
BALROG—32.3%
LMArena Search—1006
METR Time Horizons—40.8%

Reasoning Gemma 3 4B leads

Gemma 3 4B: 13.2 (#335), GPT-4o: 9.4 (#343)

Reasoning benchmarks
BenchmarkGemma 3 4BGPT-4o
Chess Puzzles0%13%
LMArena Hard Prompts12531281
DTBench50.9%64.5%
LMCA2.8%16.6%
Epoch Capabilities Index116.02128.97
ARC-AGI-2—0%
SimpleBench—17.8%
Kagi LLM Benchmark25.2%—
ARC-AGI-1—4.5%
CritPt—0%
EnigmaEval—0.8%
LiveBench Reasoning—55.8%
LiveBench Data Analysis—60.9%
ForecastBench—57.7
LiveBench—55.3%

Math Gemma 3 4B leads

Gemma 3 4B: 16.8 (#292), GPT-4o: 10.6 (#312)

Math benchmarks
BenchmarkGemma 3 4BGPT-4o
OTIS Mock AIME 2024-20257.5%6.4%
LMArena Math12391285
FrontierMath (Tiers 1-3)—0.4%
Omni-MATH—29.3%
LiveBench Math—49.5%
MATH Level 5—53.3%
FrontierMath (Feb 2025 set)—0.3%

Knowledge GPT-4o leads

Gemma 3 4B: 11.8 (#299), GPT-4o: 28.8 (#242)

Knowledge benchmarks
BenchmarkGemma 3 4BGPT-4o
GPQA Diamond23.2%49.2%
Vectara Hallucination Rate6.4%9.6%
LMArena Expert12231250
Humanity's Last Exam—2.7%
SimpleQA Verified—26%
MMLU-Pro—71.3%
Confabulations—15.3%
GPQA (HELM)—52%
MMLU—88.1%

Multimodal Not comparable

Gemma 3 4B: —, GPT-4o: 34.5 (#91)

Multimodal benchmarks
BenchmarkGemma 3 4BGPT-4o
LMArena Vision—1137
Video-MME—71.9%
GeoBench—71%
VPCT—40%
ScienceQA—88.5%

Multilingual Too close to call

Gemma 3 4B: 42.5 (#194), GPT-4o: 43.2 (#186)

Multilingual benchmarks
BenchmarkGemma 3 4BGPT-4o
LMArena Non-English12731283
LMArena German12811282
LMArena Russian12941286
LMArena Chinese—1277
LMArena French—1304
LMArena Japanese—1257
LMArena Korean—1234
LMArena Spanish—1292

Instruction Following GPT-4o leads

Gemma 3 4B: 65.2 (#225), GPT-4o: 66.6 (#207)

Instruction Following benchmarks
BenchmarkGemma 3 4BGPT-4o
LMArena Instruction Following12391278
LiveBench Instruction Following—68.6%
IFEval—81.7%

Long Context Too close to call

Gemma 3 4B: 38.7 (#194), GPT-4o: 39.4 (#179)

Long Context benchmarks
BenchmarkGemma 3 4BGPT-4o
LMArena Longer Query12731289
Fiction.LiveBench—66.7%

Writing & Preference GPT-4o leads

Gemma 3 4B: 42.0 (#239), GPT-4o: 52.6 (#166)

Writing & Preference benchmarks
BenchmarkGemma 3 4BGPT-4o
LMArena Text12911300
LMArena Creative Writing12711292
LMArena Multi-Turn12551302
Short-Story Creative Writing—81.8%
EQ-Bench Creative Writing1068—
WildBench—82.8%
LiveBench Language—47.6%

Frequently asked questions

Is Gemma 3 4B better than GPT-4o?

Gemma 3 4B and GPT-4o score almost the same on the Noometry Index (28.1 vs 28.6), so choose on price, context window or the category you care about most.

Which is cheaper, Gemma 3 4B or GPT-4o?

Gemma 3 4B is cheaper. It lists at $0.04 per million input tokens and $0.08 per million output tokens; GPT-4o lists at $2.50 and $10.

Is Gemma 3 4B or GPT-4o better for coding?

Gemma 3 4B scores higher on coding benchmarks: 35.9 versus 24.8 in the Noometry coding category.

Which has the bigger context window?

Gemma 3 4B does, with 131K tokens against 128K.

How many benchmarks do Gemma 3 4B and GPT-4o share?

19 benchmarks have published results for both models. Gemma 3 4B has 22 scored results on Noometry and GPT-4o has 72.

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