Noometry

Model comparison

Qwen Max vs Qwen3.5-Flash

Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 34.7 on the Noometry Index.

Last verified . 20 shared benchmarks.

Qwen Max Alibaba (Qwen)

34.7

Rank #230 Confirmed

Qwen3.5-Flash Alibaba (Qwen)

42.5

Rank #112 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Qwen Max scores higher in 0 categories and Qwen3.5-Flash in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Qwen3.5-Flash leads 37.4 to 22.3.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 16.1% for Qwen Max and 84.4% for Qwen3.5-Flash.
  • Qwen3.5-Flash is cheaper at $0.10 / $0.40 per million input/output tokens, against $1.60 / $6.40 for Qwen Max.
  • Qwen3.5-Flash accepts more context: 1M tokens versus 33K.

Side by side

Qwen MaxQwen3.5-Flash
ProviderAlibaba (Qwen)Alibaba (Qwen)
Noometry Index34.742.5
Released2024-04-032026-02-23
WeightsProprietaryProprietary
Context window33K1M
Max output8K66K
Input $ / M tokens$1.60$0.10
Output $ / M tokens$6.40$0.40
Results tracked2332

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Category by category

Coding Qwen3.5-Flash leads

Qwen Max: 30.7 (#292), Qwen3.5-Flash: 34.2 (#242)

BenchmarkQwen MaxQwen3.5-Flash
LMArena Coding12881412
Aider Polyglot21.8%—
LMArena WebDev—1244
ALE-Bench—221.8

Agentic & Tool Use Not comparable

Qwen Max: —, Qwen3.5-Flash: —

BenchmarkQwen MaxQwen3.5-Flash
Vending-Bench 2—462.69

Reasoning Qwen3.5-Flash leads

Qwen Max: 25.1 (#151), Qwen3.5-Flash: 33.7 (#72)

BenchmarkQwen MaxQwen3.5-Flash
LMArena Hard Prompts12691403
Chess Puzzles—21%
Mystery Game Puzzles—20%
DTBench—82.9%
LMCA—29.1%
Epoch Capabilities Index—143.98

Math Qwen3.5-Flash leads

Qwen Max: 22.3 (#276), Qwen3.5-Flash: 37.4 (#158)

BenchmarkQwen MaxQwen3.5-Flash
OTIS Mock AIME 2024-202516.1%84.4%
LMArena Math12751407
FrontierMath (Feb 2025 set)1%6.2%
FrontierMath (Tiers 1-3)—18.2%
MATH Level 567.2%—
FrontierMath Tier 4 (v1)—0%

Knowledge Qwen3.5-Flash leads

Qwen Max: 30.3 (#228), Qwen3.5-Flash: 43.2 (#93)

BenchmarkQwen MaxQwen3.5-Flash
GPQA Diamond56.1%82.3%
LMArena Expert12481407
SimpleQA Verified—20.3%
Vectara Hallucination Rate—10.5%

Multilingual Qwen3.5-Flash leads

Qwen Max: 41.8 (#202), Qwen3.5-Flash: 50.5 (#121)

BenchmarkQwen MaxQwen3.5-Flash
LMArena Non-English12631385
LMArena Chinese12541446
LMArena French13301412
LMArena German12541390
LMArena Japanese12051368
LMArena Korean11421344
LMArena Russian12741379
LMArena Spanish12901400

Instruction Following Qwen3.5-Flash leads

Qwen Max: 66.5 (#208), Qwen3.5-Flash: 72.6 (#139)

BenchmarkQwen MaxQwen3.5-Flash
LMArena Instruction Following12621374

Long Context Qwen3.5-Flash leads

Qwen Max: 39.4 (#180), Qwen3.5-Flash: 42.4 (#124)

BenchmarkQwen MaxQwen3.5-Flash
LMArena Longer Query12881392
Fiction.LiveBench66.7%—

Writing & Preference Qwen3.5-Flash leads

Qwen Max: 47.8 (#205), Qwen3.5-Flash: 57.9 (#122)

BenchmarkQwen MaxQwen3.5-Flash
LMArena Text12821397
LMArena Creative Writing12481343
LMArena Multi-Turn12771393

Frequently asked questions

Is Qwen Max better than Qwen3.5-Flash?

Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 34.7 on the Noometry Index.

Which is cheaper, Qwen Max or Qwen3.5-Flash?

Qwen3.5-Flash is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; Qwen Max lists at $1.60 and $6.40.

Is Qwen Max or Qwen3.5-Flash better for coding?

Qwen3.5-Flash scores higher on coding benchmarks: 34.2 versus 30.7 in the Noometry coding category.

Which has the bigger context window?

Qwen3.5-Flash does, with 1M tokens against 33K.

How many benchmarks do Qwen Max and Qwen3.5-Flash share?

20 benchmarks have published results for both models. Qwen Max has 23 scored results on Noometry and Qwen3.5-Flash has 32.

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