Noometry

Model comparison

Gemini 2.5 Flash vs Qwen3-4B

Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 31.9 on the Noometry Index.

Last verified . 3 shared benchmarks.

Gemini 2.5 Flash Google

39.3

Rank #170 Confirmed

Qwen3-4B Alibaba (Qwen)

31.9

Rank #264 Confirmed

Summary

  • They share 3 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 3 categories and Qwen3-4B in 1 category; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 2.5 Flash leads 39.9 to 29.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 73.1% for Gemini 2.5 Flash and 52.2% for Qwen3-4B.
  • Qwen3-4B has downloadable open weights; the other is API-only.

Side by side

Gemini 2.5 FlashQwen3-4B
ProviderGoogleAlibaba (Qwen)
Noometry Index39.331.9
Released2025-04-172025-04-29
WeightsProprietaryOpen
Context window1.05M—
Max output66K—
Input $ / M tokens$0.30—
Output $ / M tokens$2.50—
Results tracked546

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Category by category

Coding Not comparable

Gemini 2.5 Flash: 35.8 (#220), Qwen3-4B: —

BenchmarkGemini 2.5 FlashQwen3-4B
SWE-bench Verified (bash only)28.7%—
Aider Polyglot55.1%—
WeirdML41.9%—
LMArena Coding1424—
ALE-Bench661.88—

Agentic & Tool Use Gemini 2.5 Flash leads

Gemini 2.5 Flash: 30.8 (#74), Qwen3-4B: 27.6 (#100)

BenchmarkGemini 2.5 FlashQwen3-4B
Berkeley Function Calling Leaderboard56.2%35.7%
Terminal-Bench17.1%—
TheAgentCompany41.1%—
BALROG33.5%—
Vending-Bench 2548.84—

Reasoning Qwen3-4B leads

Gemini 2.5 Flash: 18.1 (#286), Qwen3-4B: 19.2 (#268)

BenchmarkGemini 2.5 FlashQwen3-4B
ARC-AGI-22.5%—
SimpleBench41.2%—
Kagi LLM Benchmark56.8%—
ARC-AGI-133.3%—
CritPt1.1%—
Chess Puzzles—4%
EnigmaEval2.7%—
LMArena Hard Prompts1422—
DTBench76.5%—
LMCA27.5%—
Epoch Capabilities Index143.03—
ForecastBench60.6—

Math Gemini 2.5 Flash leads

Gemini 2.5 Flash: 39.9 (#98), Qwen3-4B: 29.7 (#240)

BenchmarkGemini 2.5 FlashQwen3-4B
OTIS Mock AIME 2024-202573.1%52.2%
MathArena Final-Answer Competitions—38.5%
Omni-MATH38.5%—
LMArena Math1415—
FrontierMath (Feb 2025 set)4.8%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Gemini 2.5 Flash leads

Gemini 2.5 Flash: 36.4 (#168), Qwen3-4B: 33.0 (#208)

BenchmarkGemini 2.5 FlashQwen3-4B
Vectara Hallucination Rate7.8%5.7%
GPQA Diamond—52.3%
Humanity's Last Exam12.1%—
MMLU-Pro63.9%—
Confabulations16.8%—
GPQA (HELM)39%—
LMArena Expert1426—

Multimodal Not comparable

Gemini 2.5 Flash: 41.8 (#32), Qwen3-4B: —

BenchmarkGemini 2.5 FlashQwen3-4B
LMArena Vision1253—
GeoBench76%—
VPCT46.2%—
SpatialViz-Bench36.9%—

Multilingual Not comparable

Gemini 2.5 Flash: 52.3 (#88), Qwen3-4B: —

BenchmarkGemini 2.5 FlashQwen3-4B
LMArena Non-English1409—
LMArena Chinese1450—
LMArena French1433—
LMArena German1418—
LMArena Japanese1405—
LMArena Korean1385—
LMArena Russian1415—
LMArena Spanish1421—

Instruction Following Not comparable

Gemini 2.5 Flash: 75.7 (#54), Qwen3-4B: —

BenchmarkGemini 2.5 FlashQwen3-4B
IFEval89.8%—
LMArena Instruction Following1405—

Long Context Not comparable

Gemini 2.5 Flash: 47.5 (#17), Qwen3-4B: —

BenchmarkGemini 2.5 FlashQwen3-4B
Fiction.LiveBench77.8%—
LMArena Longer Query1419—

Writing & Preference Not comparable

Gemini 2.5 Flash: 53.8 (#157), Qwen3-4B: —

BenchmarkGemini 2.5 FlashQwen3-4B
LMArena Text1417—
LMArena Creative Writing1400—
Short-Story Creative Writing76.5%—
EQ-Bench Creative Writing1137—
WildBench81.7%—
LMArena Multi-Turn1408—

Frequently asked questions

Is Gemini 2.5 Flash better than Qwen3-4B?

Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 31.9 on the Noometry Index.

How many benchmarks do Gemini 2.5 Flash and Qwen3-4B share?

3 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Qwen3-4B has 6.

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