Noometry

Model comparison

GPT-4 vs Qwen3.5 Plus

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 29.1 on the Noometry Index.

Last verified . 7 shared benchmarks.

GPT-4 OpenAI

29.1

Rank #316 Confirmed

Qwen3.5 Plus Alibaba (Qwen)

42.9

Rank #106 Confirmed

Summary

  • They share 7 benchmarks with published results for both. GPT-4 scores higher in 0 categories and Qwen3.5 Plus in 4 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where Qwen3.5 Plus leads 49.6 to 10.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for GPT-4 and 86.7% for Qwen3.5 Plus.
  • Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $30 / $60 for GPT-4.
  • Qwen3.5 Plus accepts more context: 1M tokens versus 8K.

Side by side

GPT-4Qwen3.5 Plus
ProviderOpenAIAlibaba (Qwen)
Noometry Index29.142.9
Released2023-03-142026-02-16
WeightsProprietaryProprietary
Context window8K1M
Max output8K66K
Input $ / M tokens$30$0.40
Output $ / M tokens$60$2.40
Results tracked3815

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Category by category

Coding Not comparable

GPT-4: 31.6 (#283), Qwen3.5 Plus: —

BenchmarkGPT-4Qwen3.5 Plus
WeirdML12.4%—
BigCodeBench Instruct46%—
LMArena Coding1254—
BigCodeBench Complete57.2%—
ALE-Bench—621.92
HumanEval+79.3%—

Agentic & Tool Use Not comparable

GPT-4: —, Qwen3.5 Plus: —

BenchmarkGPT-4Qwen3.5 Plus
METR Time Horizons36.1%—
Vending-Bench 2—0.54

Reasoning Qwen3.5 Plus leads

GPT-4: 17.8 (#289), Qwen3.5 Plus: 32.8 (#74)

BenchmarkGPT-4Qwen3.5 Plus
Chess Puzzles4%22%
Mystery Game Puzzles12%17%
DTBench62.7%80.5%
LMCA17.1%36.4%
Epoch Capabilities Index125.89146.78
LMArena Hard Prompts1241—
BIG-Bench Hard75.1%—
ForecastBench57.8—
HellaSwag95.3%—
WinoGrande87.5%—

Math Qwen3.5 Plus leads

GPT-4: 10.8 (#309), Qwen3.5 Plus: 49.6 (#61)

BenchmarkGPT-4Qwen3.5 Plus
OTIS Mock AIME 2024-20251.1%86.7%
LMArena Math1269—
MATH Level 523%—
FrontierMath (Feb 2025 set)—21%
FrontierMath Tier 4 (v1)—2.1%
GSM8K92%—

Knowledge Qwen3.5 Plus leads

GPT-4: 18.4 (#282), Qwen3.5 Plus: 46.0 (#83)

BenchmarkGPT-4Qwen3.5 Plus
GPQA Diamond35.7%84.8%
SimpleQA Verified—25.4%
Vectara Hallucination Rate—10.7%
LMArena Expert1211—
MMLU86.4%—
TriviaQA84.8%—

Multilingual Not comparable

GPT-4: 40.6 (#215), Qwen3.5 Plus: —

BenchmarkGPT-4Qwen3.5 Plus
LMArena Non-English1246—
LMArena Chinese1242—
LMArena French1283—
LMArena German1251—
LMArena Japanese1209—
LMArena Korean1184—
LMArena Russian1251—
LMArena Spanish1261—

Instruction Following Not comparable

GPT-4: 65.3 (#222), Qwen3.5 Plus: —

BenchmarkGPT-4Qwen3.5 Plus
LMArena Instruction Following1241—

Long Context Qwen3.5 Plus leads

GPT-4: 37.7 (#212), Qwen3.5 Plus: 43.0 (#113)

BenchmarkGPT-4Qwen3.5 Plus
CL-bench—19.8%
CL-bench Life—12.4%
LMArena Longer Query1244—

Writing & Preference Not comparable

GPT-4: 34.9 (#268), Qwen3.5 Plus: —

BenchmarkGPT-4Qwen3.5 Plus
LMArena Text1263—
LMArena Creative Writing1244—
EQ-Bench Creative Writing752—
LMArena Multi-Turn1257—

Frequently asked questions

Is GPT-4 better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 29.1 on the Noometry Index.

Which is cheaper, GPT-4 or Qwen3.5 Plus?

Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; GPT-4 lists at $30 and $60.

Which has the bigger context window?

Qwen3.5 Plus does, with 1M tokens against 8K.

How many benchmarks do GPT-4 and Qwen3.5 Plus share?

7 benchmarks have published results for both models. GPT-4 has 38 scored results on Noometry and Qwen3.5 Plus has 15.

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