Noometry

Model comparison

GPT-4.1 vs Qwen1.5 4b Chat

GPT-4.1 is the stronger model overall, scoring 35.7 to 28.3 on the Noometry Index.

Last verified . 13 shared benchmarks.

GPT-4.1 OpenAI

35.7

Rank #215 Confirmed

Qwen1.5 4b Chat Alibaba (Qwen)

28.3

Rank #319 Confirmed

Summary

  • They share 13 benchmarks with published results for both. GPT-4.1 scores higher in 6 categories and Qwen1.5 4b Chat in 2 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where GPT-4.1 leads 57.8 to 23.9.
  • Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

Side by side

GPT-4.1Qwen1.5 4b Chat
ProviderOpenAIAlibaba (Qwen)
Noometry Index35.728.3
Released2025-04-14—
WeightsProprietaryOpen
Context window1.05M—
Max output33K—
Input $ / M tokens$2—
Output $ / M tokens$8—
Results tracked5213

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Category by category

Coding GPT-4.1 leads

GPT-4.1: 34.2 (#228), Qwen1.5 4b Chat: 28.6 (#305)

BenchmarkGPT-4.1Qwen1.5 4b Chat
LMArena Coding1391999
SWE-bench Verified48.5%—
SWE-bench Verified (bash only)39.6%—
Aider Polyglot52.4%—
WeirdML39%—
CadEval42%—
ALE-Bench558.1—

Agentic & Tool Use Not comparable

GPT-4.1: 34.4 (#40), Qwen1.5 4b Chat: —

BenchmarkGPT-4.1Qwen1.5 4b Chat
Berkeley Function Calling Leaderboard54%—

Reasoning Qwen1.5 4b Chat leads

GPT-4.1: 11.7 (#334), Qwen1.5 4b Chat: 17.7 (#277)

BenchmarkGPT-4.1Qwen1.5 4b Chat
LMArena Hard Prompts1384976
ARC-AGI-20.4%—
SimpleBench27%—
Kagi LLM Benchmark52.3%—
ARC-AGI-15.5%—
Chess Puzzles6%—
EnigmaEval2.2%—
DTBench68.3%—
LMCA25.6%—
Epoch Capabilities Index136.79—
ForecastBench61.5—

Math Qwen1.5 4b Chat leads

GPT-4.1: 21.4 (#269), Qwen1.5 4b Chat: 27.9 (#233)

BenchmarkGPT-4.1Qwen1.5 4b Chat
LMArena Math13691026
FrontierMath (Tiers 1-3)6%—
OTIS Mock AIME 2024-202538.3%—
Omni-MATH47.1%—
MATH Level 583%—
FrontierMath (Feb 2025 set)5.5%—
FrontierMath Tier 4 (v1)0%—

Knowledge GPT-4.1 leads

GPT-4.1: 37.0 (#152), Qwen1.5 4b Chat: 26.2 (#252)

BenchmarkGPT-4.1Qwen1.5 4b Chat
LMArena Expert1364980
GPQA Diamond66.9%—
Humanity's Last Exam5.4%—
SimpleQA Verified31.1%—
MMLU-Pro81.1%—
Vectara Hallucination Rate5.6%—
GPQA (HELM)65.9%—

Multimodal Not comparable

GPT-4.1: 37.5 (#66), Qwen1.5 4b Chat: —

BenchmarkGPT-4.1Qwen1.5 4b Chat
LMArena Vision1210—
GeoBench72%—

Multilingual GPT-4.1 leads

GPT-4.1: 49.6 (#128), Qwen1.5 4b Chat: 24.2 (#285)

BenchmarkGPT-4.1Qwen1.5 4b Chat
LMArena Non-English1370979
LMArena Chinese13821024
LMArena German1380902
LMArena Russian1377952
LMArena French1383—
LMArena Japanese1320—
LMArena Korean1339—
LMArena Spanish1375—

Instruction Following GPT-4.1 leads

GPT-4.1: 71.5 (#148), Qwen1.5 4b Chat: 49.3 (#295)

BenchmarkGPT-4.1Qwen1.5 4b Chat
LMArena Instruction Following1367979
IFEval83.8%—

Long Context GPT-4.1 leads

GPT-4.1: 40.0 (#158), Qwen1.5 4b Chat: 30.1 (#285)

BenchmarkGPT-4.1Qwen1.5 4b Chat
LMArena Longer Query1385988
Fiction.LiveBench63.9%—

Writing & Preference GPT-4.1 leads

GPT-4.1: 57.8 (#120), Qwen1.5 4b Chat: 23.9 (#304)

BenchmarkGPT-4.1Qwen1.5 4b Chat
LMArena Text1383997
LMArena Creative Writing1363969
LMArena Multi-Turn1398977
EQ-Bench Creative Writing1420—
WildBench85.4%—

Frequently asked questions

Is GPT-4.1 better than Qwen1.5 4b Chat?

GPT-4.1 is the stronger model overall, scoring 35.7 to 28.3 on the Noometry Index.

Is GPT-4.1 or Qwen1.5 4b Chat better for coding?

GPT-4.1 scores higher on coding benchmarks: 34.2 versus 28.6 in the Noometry coding category.

How many benchmarks do GPT-4.1 and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. GPT-4.1 has 52 scored results on Noometry and Qwen1.5 4b Chat has 13.

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