Noometry

Model comparison

Gemini 3.8 Flash vs Qwen1.5 4b Chat

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 28.8 on the Noometry Index.

Last verified . 13 shared benchmarks.

Gemini 3.8 Flash Google

61.8

Rank #11 Confirmed

Qwen1.5 4b Chat Alibaba (Qwen)

28.8

Rank #322 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Gemini 3.8 Flash scores higher in 8 categories and Qwen1.5 4b Chat in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.8 Flash leads 76.9 to 18.5.
  • Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

Side by side

Gemini 3.8 FlashQwen1.5 4b Chat
ProviderGoogleAlibaba (Qwen)
Noometry Index61.828.8
Released2026-09-02—
WeightsProprietaryOpen
Context window1.05M—
Max output66K—
Input $ / M tokens$0.75—
Output $ / M tokens$3.75—
Results tracked5013

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Gemini 3.8 Flash leads

Gemini 3.8 Flash: 59.2 (#15), Qwen1.5 4b Chat: 29.1 (#308)

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
LMArena Coding1510999
DeepSWE73.8%—
FrontierCode41.2%—
CursorBench39.6%—
LMArena WebDev1584—
FrontierSWE19.6%—
SciCode56.6%—
WeirdML84.8%—
ALE-Bench1,270—

Agentic & Tool Use Not comparable

Gemini 3.8 Flash: 41.8 (#21), Qwen1.5 4b Chat: —

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
APEX-Agents64.3%—
Remote Labor Index5.8%—
GDP.pdf23.4%—
Vending-Bench 25,094—

Reasoning Gemini 3.8 Flash leads

Gemini 3.8 Flash: 76.9 (#5), Qwen1.5 4b Chat: 18.5 (#279)

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
LMArena Hard Prompts1508976
ARC-AGI-289.2%—
NYT Connections (extended)97.4%—
ARC-AGI-198.5%—
CritPt18.3%—
Chess Puzzles61%—
Mystery Game Puzzles47%—
DTBench95.7%—
LMCA52.9%—
Surface Evolver Bench76.9%—
Epoch Capabilities Index156.71—

Math Gemini 3.8 Flash leads

Gemini 3.8 Flash: 65.3 (#28), Qwen1.5 4b Chat: 30.4 (#234)

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
LMArena Math15281026
FrontierMath (Tiers 1-3)68.4%—
FrontierMath Tier 422%—
OTIS Mock AIME 2024-202598.9%—
ProofBench48%—

Knowledge Gemini 3.8 Flash leads

Gemini 3.8 Flash: 74.8 (#2), Qwen1.5 4b Chat: 26.7 (#255)

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
LMArena Expert1524980
GPQA Diamond95.4%—
Humanity's Last Exam44.5%—
SimpleQA Verified69.7%—

Multimodal Not comparable

Gemini 3.8 Flash: 40.7 (#45), Qwen1.5 4b Chat: —

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
LMArena Vision1314—
Blueprint-Bench 238.6%—
Furniture Assembly31.7%—

Multilingual Gemini 3.8 Flash leads

Gemini 3.8 Flash: 58.0 (#5), Qwen1.5 4b Chat: 24.1 (#290)

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
LMArena Non-English1491979
LMArena Chinese15541024
LMArena German1493902
LMArena Russian1515952
LMArena French1498—
LMArena Japanese1502—
LMArena Korean1459—
LMArena Spanish1485—

Instruction Following Gemini 3.8 Flash leads

Gemini 3.8 Flash: 78.0 (#13), Qwen1.5 4b Chat: 49.0 (#300)

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
LMArena Instruction Following1490978

Long Context Gemini 3.8 Flash leads

Gemini 3.8 Flash: 46.3 (#24), Qwen1.5 4b Chat: 30.1 (#290)

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
LMArena Longer Query1508988

Writing & Preference Gemini 3.8 Flash leads

Gemini 3.8 Flash: 72.2 (#15), Qwen1.5 4b Chat: 23.8 (#309)

BenchmarkGemini 3.8 FlashQwen1.5 4b Chat
LMArena Text1499997
LMArena Creative Writing1492969
LMArena Multi-Turn1501977
EQ-Bench Creative Writing1748—

Frequently asked questions

Is Gemini 3.8 Flash better than Qwen1.5 4b Chat?

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 28.8 on the Noometry Index.

Is Gemini 3.8 Flash or Qwen1.5 4b Chat better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 59.2 versus 29.1 in the Noometry coding category.

How many benchmarks do Gemini 3.8 Flash and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. Gemini 3.8 Flash has 50 scored results on Noometry and Qwen1.5 4b Chat has 13.

Related comparisons

Go deeper