Noometry

Model comparison

Qwen3.5 Max Preview vs Qwen3.8 27B

Qwen3.5 Max Preview and Qwen3.8 27B score almost the same on the Noometry Index (45.3 vs 46.0), so choose on price, context window or the category you care about most.

Last verified . 17 shared benchmarks.

Qwen3.5 Max Preview Alibaba (Qwen)

45.3

Rank #71 Confirmed

Qwen3.8 27B Alibaba (Qwen)

46.0

Rank #68 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Qwen3.5 Max Preview scores higher in 6 categories and Qwen3.8 27B in 2 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Qwen3.8 27B leads 41.0 to 30.8.
  • Qwen3.8 27B has downloadable open weights; the other is API-only.

Side by side

Qwen3.5 Max PreviewQwen3.8 27B
ProviderAlibaba (Qwen)Alibaba (Qwen)
Noometry Index45.346.0
Released—2026-08-14
WeightsProprietaryOpen
Context window—262K
Max output—33K
Input $ / M tokens—$0.99
Output $ / M tokens—$1.49
Results tracked1731

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Category by category

Coding Qwen3.8 27B leads

Qwen3.5 Max Preview: 44.0 (#77), Qwen3.8 27B: 50.5 (#44)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
LMArena Coding14871482
LMArena WebDev—1593
SciCode—46.6%

Agentic & Tool Use Not comparable

Qwen3.5 Max Preview: —, Qwen3.8 27B: 32.9 (#57)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
APEX-Agents—47.5%

Reasoning Qwen3.8 27B leads

Qwen3.5 Max Preview: 30.8 (#84), Qwen3.8 27B: 41.0 (#54)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
LMArena Hard Prompts14831460
ARC-AGI-2—42.4%
NYT Connections (extended)—54.5%
ARC-AGI-1—87.5%
CritPt—5.4%
DTBench—88%
LMCA—41.4%
Surface Evolver Bench—45%
Epoch Capabilities Index—149.38

Math Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 40.1 (#94), Qwen3.8 27B: 37.1 (#161)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
LMArena Math14741456
ProofBench—16%

Knowledge Too close to call

Qwen3.5 Max Preview: 41.8 (#107), Qwen3.8 27B: 41.6 (#109)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
LMArena Expert14891482

Multimodal Not comparable

Qwen3.5 Max Preview: —, Qwen3.8 27B: 41.3 (#37)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
LMArena Vision—1271

Multilingual Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 56.2 (#22), Qwen3.8 27B: 53.7 (#60)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
LMArena Non-English14651430
LMArena Chinese15341504
LMArena French14841465
LMArena German14871438
LMArena Japanese14951384
LMArena Korean14381393
LMArena Russian14711415
LMArena Spanish14701448

Instruction Following Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 77.0 (#31), Qwen3.8 27B: 75.8 (#53)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
LMArena Instruction Following14671439

Long Context Too close to call

Qwen3.5 Max Preview: 45.2 (#45), Qwen3.8 27B: 44.3 (#70)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
LMArena Longer Query14761450

Writing & Preference Too close to call

Qwen3.5 Max Preview: 66.0 (#41), Qwen3.8 27B: 65.8 (#43)

BenchmarkQwen3.5 Max PreviewQwen3.8 27B
LMArena Text14701441
LMArena Creative Writing14641384
LMArena Multi-Turn14781441
EQ-Bench Creative Writing—1671

Frequently asked questions

Is Qwen3.5 Max Preview better than Qwen3.8 27B?

Qwen3.5 Max Preview and Qwen3.8 27B score almost the same on the Noometry Index (45.3 vs 46.0), so choose on price, context window or the category you care about most.

Is Qwen3.5 Max Preview or Qwen3.8 27B better for coding?

Qwen3.8 27B scores higher on coding benchmarks: 50.5 versus 44.0 in the Noometry coding category.

How many benchmarks do Qwen3.5 Max Preview and Qwen3.8 27B share?

17 benchmarks have published results for both models. Qwen3.5 Max Preview has 17 scored results on Noometry and Qwen3.8 27B has 31.

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