Noometry

Model comparison

GPT-4 Turbo vs Qwen3.5 Plus

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 30.5 on the Noometry Index.

Last verified . 6 shared benchmarks.

GPT-4 Turbo OpenAI

30.5

Rank #292 Confirmed

Qwen3.5 Plus Alibaba (Qwen)

42.9

Rank #106 Confirmed

Summary

  • They share 6 benchmarks with published results for both. GPT-4 Turbo 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 9.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 6.7% for GPT-4 Turbo and 86.7% for Qwen3.5 Plus.
  • Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $10 / $30 for GPT-4 Turbo.
  • Qwen3.5 Plus accepts more context: 1M tokens versus 128K.

Side by side

GPT-4 TurboQwen3.5 Plus
ProviderOpenAIAlibaba (Qwen)
Noometry Index30.542.9
Released2023-11-062026-02-16
WeightsProprietaryProprietary
Context window128K1M
Max output4K66K
Input $ / M tokens$10$0.40
Output $ / M tokens$30$2.40
Results tracked3615

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Category by category

Coding Not comparable

GPT-4 Turbo: 33.8 (#249), Qwen3.5 Plus: —

BenchmarkGPT-4 TurboQwen3.5 Plus
WeirdML18%—
BigCodeBench Instruct48.2%—
LMArena Coding1268—
BigCodeBench Complete58.2%—
ALE-Bench—621.92
HumanEval+86.6%—
MBPP+73.3%—

Agentic & Tool Use Not comparable

GPT-4 Turbo: —, Qwen3.5 Plus: —

BenchmarkGPT-4 TurboQwen3.5 Plus
METR Time Horizons36.7%—
Vending-Bench 2—0.54

Reasoning Qwen3.5 Plus leads

GPT-4 Turbo: 15.3 (#317), Qwen3.5 Plus: 32.8 (#74)

BenchmarkGPT-4 TurboQwen3.5 Plus
Chess Puzzles6%22%
DTBench61.6%80.5%
LMCA9.8%36.4%
Epoch Capabilities Index127.25146.78
SimpleBench25.1%—
LMArena Hard Prompts1251—
Mystery Game Puzzles—17%
ForecastBench59.4—

Math Qwen3.5 Plus leads

GPT-4 Turbo: 9.0 (#322), Qwen3.5 Plus: 49.6 (#61)

BenchmarkGPT-4 TurboQwen3.5 Plus
OTIS Mock AIME 2024-20256.7%86.7%
FrontierMath (Tiers 1-3)0.7%—
LMArena Math1272—
MATH Level 546.7%—
FrontierMath (Feb 2025 set)—21%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Qwen3.5 Plus leads

GPT-4 Turbo: 24.3 (#268), Qwen3.5 Plus: 46.0 (#83)

BenchmarkGPT-4 TurboQwen3.5 Plus
GPQA Diamond46.6%84.8%
SimpleQA Verified—25.4%
Confabulations28.4%—
Vectara Hallucination Rate—10.7%
LMArena Expert1223—
MMLU81.3%—

Multimodal Not comparable

GPT-4 Turbo: 30.6 (#110), Qwen3.5 Plus: —

BenchmarkGPT-4 TurboQwen3.5 Plus
LMArena Vision1090—

Multilingual Not comparable

GPT-4 Turbo: 40.5 (#216), Qwen3.5 Plus: —

BenchmarkGPT-4 TurboQwen3.5 Plus
LMArena Non-English1245—
LMArena Chinese1242—
LMArena French1276—
LMArena German1259—
LMArena Japanese1194—
LMArena Korean1187—
LMArena Russian1259—
LMArena Spanish1260—

Instruction Following Not comparable

GPT-4 Turbo: 65.8 (#216), Qwen3.5 Plus: —

BenchmarkGPT-4 TurboQwen3.5 Plus
LMArena Instruction Following1249—

Long Context Qwen3.5 Plus leads

GPT-4 Turbo: 38.0 (#206), Qwen3.5 Plus: 43.0 (#113)

BenchmarkGPT-4 TurboQwen3.5 Plus
CL-bench—19.8%
CL-bench Life—12.4%
LMArena Longer Query1254—

Writing & Preference Not comparable

GPT-4 Turbo: 47.7 (#206), Qwen3.5 Plus: —

BenchmarkGPT-4 TurboQwen3.5 Plus
LMArena Text1272—
LMArena Creative Writing1269—
LMArena Multi-Turn1267—

Frequently asked questions

Is GPT-4 Turbo better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 30.5 on the Noometry Index.

Which is cheaper, GPT-4 Turbo 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 Turbo lists at $10 and $30.

Which has the bigger context window?

Qwen3.5 Plus does, with 1M tokens against 128K.

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

6 benchmarks have published results for both models. GPT-4 Turbo has 36 scored results on Noometry and Qwen3.5 Plus has 15.

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