Model comparison

GPT-5.2 vs Qwen1.5 4b Chat

GPT-5.2 is the stronger model overall, scoring 54.1 to 28.8 on the Noometry Index.

Last verified . 13 shared benchmarks.

GPT-5.2 OpenAI

54.1

Rank #34 Confirmed

Qwen1.5 4b Chat Alibaba (Qwen)

28.8

Rank #322 Confirmed

Summary

  • They share 13 benchmarks with published results for both. GPT-5.2 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 writing & preference, where GPT-5.2 leads 66.8 to 23.8.
  • Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

Side by side

GPT-5.2 and Qwen1.5 4b Chat specifications
GPT-5.2Qwen1.5 4b Chat
ProviderOpenAIAlibaba (Qwen)
Noometry Index54.128.8
Released2025-12-11—
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$1.75—
Output $ / M tokens$14—
Results tracked6713

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Category by category

Coding GPT-5.2 leads

GPT-5.2: 51.6 (#37), Qwen1.5 4b Chat: 29.1 (#308)

Coding benchmarks
BenchmarkGPT-5.2Qwen1.5 4b Chat
LMArena Coding1447999
SWE-bench Verified73.8%—
SWE-bench Verified (bash only)72.8%—
LMArena WebDev1416—
SWE-bench Multilingual66.7%—
GSO27.4%—
WeirdML72.2%—
ALE-Bench1,294—
AlgoTune2.05—

Agentic & Tool Use Not comparable

GPT-5.2: 40.2 (#24), Qwen1.5 4b Chat: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.2Qwen1.5 4b Chat
Terminal-Bench64.9%—
Berkeley Function Calling Leaderboard55.9%—
GDPval49.7%—
Remote Labor Index2.5%—
τ²-bench Airline83%—
τ²-bench Banking32.2%—
τ²-bench Retail81.6%—
τ²-bench Telecom89.7%—
DeepResearch Bench41.1%—
LMArena Search1207—
METR Time Horizons75.3%—
Vending-Bench 23,591—

Reasoning GPT-5.2 leads

GPT-5.2: 50.2 (#35), Qwen1.5 4b Chat: 18.5 (#279)

Reasoning benchmarks
BenchmarkGPT-5.2Qwen1.5 4b Chat
LMArena Hard Prompts1445976
ARC-AGI-252.9%—
SimpleBench45.8%—
Kagi LLM Benchmark73.3%—
NYT Connections (extended)83.6%—
ARC-AGI-186.2%—
Chess Puzzles49%—
EnigmaEval10.4%—
EBR-Bench23%—
Mystery Game Puzzles23%—
DTBench90.9%—
LMCA43.9%—
Epoch Capabilities Index153.45—
ForecastBench60.1—

Math GPT-5.2 leads

GPT-5.2: 60.0 (#38), Qwen1.5 4b Chat: 30.4 (#234)

Knowledge GPT-5.2 leads

GPT-5.2: 59.3 (#32), Qwen1.5 4b Chat: 26.7 (#255)

Knowledge benchmarks
BenchmarkGPT-5.2Qwen1.5 4b Chat
LMArena Expert1445980
GPQA Diamond91.4%—
Humanity's Last Exam27.8%—
SimpleQA Verified37.1%—
Vectara Hallucination Rate8.4%—

Multimodal Not comparable

GPT-5.2: 51.3 (#7), Qwen1.5 4b Chat: —

Multimodal benchmarks
BenchmarkGPT-5.2Qwen1.5 4b Chat
LMArena Vision1268—
VPCT84%—
Furniture Assembly38.3%—
LMArena Document1405—

Multilingual GPT-5.2 leads

GPT-5.2: 53.4 (#67), Qwen1.5 4b Chat: 24.1 (#290)

Multilingual benchmarks
BenchmarkGPT-5.2Qwen1.5 4b Chat
LMArena Non-English1425979
LMArena Chinese14601024
LMArena German1448902
LMArena Russian1440952
LMArena French1455—
LMArena Japanese1420—
LMArena Korean1392—
LMArena Spanish1433—

Instruction Following GPT-5.2 leads

GPT-5.2: 74.7 (#89), Qwen1.5 4b Chat: 49.0 (#300)

Instruction Following benchmarks
BenchmarkGPT-5.2Qwen1.5 4b Chat
LMArena Instruction Following1417978

Long Context GPT-5.2 leads

GPT-5.2: 44.0 (#78), Qwen1.5 4b Chat: 30.1 (#290)

Long Context benchmarks
BenchmarkGPT-5.2Qwen1.5 4b Chat
LMArena Longer Query1428988
CL-bench18.2%—

Writing & Preference GPT-5.2 leads

GPT-5.2: 66.8 (#32), Qwen1.5 4b Chat: 23.8 (#309)

Writing & Preference benchmarks
BenchmarkGPT-5.2Qwen1.5 4b Chat
LMArena Text1439997
LMArena Creative Writing1401969
LMArena Multi-Turn1458977
EQ-Bench Creative Writing1703—

Frequently asked questions

Is GPT-5.2 better than Qwen1.5 4b Chat?

GPT-5.2 is the stronger model overall, scoring 54.1 to 28.8 on the Noometry Index.

Is GPT-5.2 or Qwen1.5 4b Chat better for coding?

GPT-5.2 scores higher on coding benchmarks: 51.6 versus 29.1 in the Noometry coding category.

How many benchmarks do GPT-5.2 and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. GPT-5.2 has 67 scored results on Noometry and Qwen1.5 4b Chat has 13.

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