Model comparison

Qwen3.5 Max Preview vs Solar Pro4

Qwen3.5 Max Preview is the stronger model overall, scoring 44.7 to 41.5 on the Noometry Index.

Last verified . 17 shared benchmarks.

Qwen3.5 Max Preview Alibaba (Qwen)

44.7

Rank #72 Confirmed

Solar Pro4 Upstage

41.5

Rank #123 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Qwen3.5 Max Preview scores higher in 8 categories and Solar Pro4 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Qwen3.5 Max Preview leads 66.1 to 56.7.

Side by side

Qwen3.5 Max Preview and Solar Pro4 specifications
Qwen3.5 Max PreviewSolar Pro4
ProviderAlibaba (Qwen)Upstage
Noometry Index44.741.5
Released—2026-08-06
WeightsProprietaryProprietary
Context window—524K
Max output—131K
Input $ / M tokens—$0.30
Output $ / M tokens—$1.20
Results tracked1718

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Category by category

Coding Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 43.4 (#79), Solar Pro4: 39.9 (#135)

Coding benchmarks
BenchmarkQwen3.5 Max PreviewSolar Pro4
LMArena Coding14881439
LMArena WebDev—1371

Reasoning Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 29.6 (#81), Solar Pro4: 27.3 (#107)

Reasoning benchmarks
BenchmarkQwen3.5 Max PreviewSolar Pro4
LMArena Hard Prompts14831398

Math Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 37.3 (#99), Solar Pro4: 36.1 (#129)

Math benchmarks
BenchmarkQwen3.5 Max PreviewSolar Pro4
LMArena Math14731418

Knowledge Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 41.1 (#104), Solar Pro4: 39.0 (#128)

Knowledge benchmarks
BenchmarkQwen3.5 Max PreviewSolar Pro4
LMArena Expert14891421

Multilingual Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 56.4 (#21), Solar Pro4: 49.0 (#134)

Multilingual benchmarks
BenchmarkQwen3.5 Max PreviewSolar Pro4
LMArena Non-English14651362
LMArena Chinese15341417
LMArena French14831403
LMArena German14871351
LMArena Japanese14971300
LMArena Korean14381383
LMArena Russian14721360
LMArena Spanish14701408

Instruction Following Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 77.2 (#28), Solar Pro4: 72.8 (#128)

Instruction Following benchmarks
BenchmarkQwen3.5 Max PreviewSolar Pro4
LMArena Instruction Following14671376

Long Context Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 45.2 (#44), Solar Pro4: 42.0 (#125)

Long Context benchmarks
BenchmarkQwen3.5 Max PreviewSolar Pro4
LMArena Longer Query14771379

Writing & Preference Qwen3.5 Max Preview leads

Qwen3.5 Max Preview: 66.1 (#39), Solar Pro4: 56.7 (#133)

Writing & Preference benchmarks
BenchmarkQwen3.5 Max PreviewSolar Pro4
LMArena Text14711386
LMArena Creative Writing14641313
LMArena Multi-Turn14781391

Frequently asked questions

Is Qwen3.5 Max Preview better than Solar Pro4?

Qwen3.5 Max Preview is the stronger model overall, scoring 44.7 to 41.5 on the Noometry Index.

Is Qwen3.5 Max Preview or Solar Pro4 better for coding?

Qwen3.5 Max Preview scores higher on coding benchmarks: 43.4 versus 39.9 in the Noometry coding category.

How many benchmarks do Qwen3.5 Max Preview and Solar Pro4 share?

17 benchmarks have published results for both models. Qwen3.5 Max Preview has 17 scored results on Noometry and Solar Pro4 has 18.

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