Noometry

Model comparison

GPT-5.4 mini vs Qwen3.5 35B-A3B

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 42.0 on the Noometry Index. Qwen3.5 35B-A3B costs 2.5× less per token, which makes it the better buy when GPT-5.4 mini's lead doesn't matter for your workload.

Last verified . 27 shared benchmarks.

GPT-5.4 mini OpenAI

45.0

Rank #76 Confirmed

Qwen3.5 35B-A3B Alibaba (Qwen)

42.0

Rank #123 Confirmed

Summary

  • They share 27 benchmarks with published results for both. GPT-5.4 mini scores higher in 8 categories and Qwen3.5 35B-A3B in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in coding, where GPT-5.4 mini leads 45.2 to 33.8.
  • The biggest single-benchmark swing is SciCode: 49.9% for GPT-5.4 mini and 29.3% for Qwen3.5 35B-A3B.
  • Qwen3.5 35B-A3B is cheaper at $0.25 / $2 per million input/output tokens, against $0.75 / $4.50 for GPT-5.4 mini.
  • GPT-5.4 mini accepts more context: 400K tokens versus 262K.
  • Qwen3.5 35B-A3B has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 miniQwen3.5 35B-A3B
ProviderOpenAIAlibaba (Qwen)
Noometry Index45.042.0
Released2026-03-172026-02-01
WeightsProprietaryOpen
Context window400K262K
Max output128K66K
Input $ / M tokens$0.75$0.25
Output $ / M tokens$4.50$2
Results tracked4628

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Category by category

Coding GPT-5.4 mini leads

GPT-5.4 mini: 45.2 (#72), Qwen3.5 35B-A3B: 33.8 (#251)

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
LMArena WebDev13971254
SciCode49.9%29.3%
LMArena Coding14381410
FrontierCode27%—
WeirdML60.3%—
ALE-Bench1,189—

Agentic & Tool Use Not comparable

GPT-5.4 mini: 29.9 (#81), Qwen3.5 35B-A3B: —

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
DeepResearch Bench36.3%—

Reasoning GPT-5.4 mini leads

GPT-5.4 mini: 30.4 (#85), Qwen3.5 35B-A3B: 24.6 (#161)

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
CritPt10%0.6%
Chess Puzzles24%10%
LMArena Hard Prompts14241400
DTBench80%80%
LMCA40.8%29.5%
Epoch Capabilities Index148.84142.52
ARC-AGI-218.9%—
Kagi LLM Benchmark37.9%—
NYT Connections (extended)61.8%—
ARC-AGI-163.7%—
Thematic Generalization61.7%—
Mystery Game Puzzles11%—
ForecastBench57—

Math GPT-5.4 mini leads

GPT-5.4 mini: 45.5 (#75), Qwen3.5 35B-A3B: 39.9 (#97)

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
OTIS Mock AIME 2024-202588.9%70%
LMArena Math14191404
FrontierMath (Tiers 1-3)51.2%—
FrontierMath Tier 49.8%—
MathArena Final-Answer Competitions—56%
ProofBench21%—
FrontierMath (Feb 2025 set)28.3%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge GPT-5.4 mini leads

GPT-5.4 mini: 51.5 (#67), Qwen3.5 35B-A3B: 47.8 (#79)

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
GPQA Diamond86.9%83.5%
Vectara Hallucination Rate5.5%10.5%
LMArena Expert14351408
SimpleQA Verified29.4%—

Multimodal Not comparable

GPT-5.4 mini: 39.7 (#56), Qwen3.5 35B-A3B: —

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
LMArena Vision1245—

Multilingual GPT-5.4 mini leads

GPT-5.4 mini: 51.9 (#96), Qwen3.5 35B-A3B: 50.0 (#127)

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
LMArena Non-English14051378
LMArena Chinese14461457
LMArena French14401412
LMArena German14091367
LMArena Japanese13741325
LMArena Korean13681356
LMArena Russian14171376
LMArena Spanish14051392

Instruction Following GPT-5.4 mini leads

GPT-5.4 mini: 74.1 (#102), Qwen3.5 35B-A3B: 72.8 (#128)

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
LMArena Instruction Following14051379

Long Context Too close to call

GPT-5.4 mini: 43.0 (#112), Qwen3.5 35B-A3B: 42.4 (#127)

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
LMArena Longer Query14071389

Writing & Preference GPT-5.4 mini leads

GPT-5.4 mini: 64.0 (#58), Qwen3.5 35B-A3B: 57.9 (#124)

BenchmarkGPT-5.4 miniQwen3.5 35B-A3B
LMArena Text14121395
LMArena Creative Writing13701346
LMArena Multi-Turn14291390
EQ-Bench Creative Writing1665—

Frequently asked questions

Is GPT-5.4 mini better than Qwen3.5 35B-A3B?

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 42.0 on the Noometry Index. Qwen3.5 35B-A3B costs 2.5× less per token, which makes it the better buy when GPT-5.4 mini's lead doesn't matter for your workload.

Which is cheaper, GPT-5.4 mini or Qwen3.5 35B-A3B?

Qwen3.5 35B-A3B is cheaper. It lists at $0.25 per million input tokens and $2 per million output tokens; GPT-5.4 mini lists at $0.75 and $4.50.

Is GPT-5.4 mini or Qwen3.5 35B-A3B better for coding?

GPT-5.4 mini scores higher on coding benchmarks: 45.2 versus 33.8 in the Noometry coding category.

Which has the bigger context window?

GPT-5.4 mini does, with 400K tokens against 262K.

How many benchmarks do GPT-5.4 mini and Qwen3.5 35B-A3B share?

27 benchmarks have published results for both models. GPT-5.4 mini has 46 scored results on Noometry and Qwen3.5 35B-A3B has 28.

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