Model comparison

GPT-6.1 Sol vs Qwen3.5 Max Preview

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 45.3 on the Noometry Index.

Last verified . 12 shared benchmarks.

GPT-6.1 Sol OpenAI

65.6

Rank #6 Confirmed

Qwen3.5 Max Preview Alibaba (Qwen)

45.3

Rank #71 Confirmed

Summary

  • They share 12 benchmarks with published results for both. GPT-6.1 Sol scores higher in 5 categories and Qwen3.5 Max Preview in 3 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-6.1 Sol leads 93.7 to 40.1.

Side by side

GPT-6.1 Sol and Qwen3.5 Max Preview specifications
GPT-6.1 SolQwen3.5 Max Preview
ProviderOpenAIAlibaba (Qwen)
Noometry Index65.645.3
Released2026-09-29—
WeightsProprietaryProprietary
Context window1.05M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked3417

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Category by category

Coding GPT-6.1 Sol leads

GPT-6.1 Sol: 63.2 (#8), Qwen3.5 Max Preview: 44.0 (#77)

Coding benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
LMArena Coding14871487
DeepSWE75.2%—
FrontierCode50.2%—
LMArena WebDev1755—
SciCode55.8%—

Agentic & Tool Use Not comparable

GPT-6.1 Sol: 39.6 (#26), Qwen3.5 Max Preview: —

Agentic & Tool Use benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
APEX-Agents60%—
GDP.pdf32%—

Reasoning GPT-6.1 Sol leads

GPT-6.1 Sol: 81.9 (#2), Qwen3.5 Max Preview: 30.8 (#84)

Reasoning benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
LMArena Hard Prompts14661483
ARC-AGI-294.2%—
NYT Connections (extended)95.5%—
ARC-AGI-198.5%—
CritPt31.7%—
Chess Puzzles61%—
EBR-Bench54.3%—
Mystery Game Puzzles80%—
Epoch Capabilities Index166.09—

Math GPT-6.1 Sol leads

GPT-6.1 Sol: 93.7 (#1), Qwen3.5 Max Preview: 40.1 (#94)

Math benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
LMArena Math14641474
FrontierMath (Tiers 1-3)93.7%—
FrontierMath Tier 4100%—
OTIS Mock AIME 2024-2025100%—
ProofBench99%—

Knowledge GPT-6.1 Sol leads

GPT-6.1 Sol: 71.8 (#4), Qwen3.5 Max Preview: 41.8 (#107)

Knowledge benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
LMArena Expert15021489
GPQA Diamond95.4%—
SimpleQA Verified73.9%—

Multimodal Not comparable

GPT-6.1 Sol: 52.7 (#5), Qwen3.5 Max Preview: —

Multimodal benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
LMArena Vision1288—
Furniture Assembly80%—

Multilingual Qwen3.5 Max Preview leads

GPT-6.1 Sol: 54.3 (#46), Qwen3.5 Max Preview: 56.2 (#22)

Multilingual benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
LMArena Non-English14381465
LMArena Chinese14771534
LMArena Russian14551471
LMArena French—1484
LMArena German—1487
LMArena Japanese—1495
LMArena Korean—1438
LMArena Spanish—1470

Instruction Following Too close to call

GPT-6.1 Sol: 77.0 (#29), Qwen3.5 Max Preview: 77.0 (#31)

Instruction Following benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
LMArena Instruction Following14681467

Long Context Too close to call

GPT-6.1 Sol: 44.9 (#54), Qwen3.5 Max Preview: 45.2 (#45)

Long Context benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
LMArena Longer Query14651476

Writing & Preference Qwen3.5 Max Preview leads

GPT-6.1 Sol: 63.6 (#63), Qwen3.5 Max Preview: 66.0 (#41)

Writing & Preference benchmarks
BenchmarkGPT-6.1 SolQwen3.5 Max Preview
LMArena Text14471470
LMArena Creative Writing14321464
LMArena Multi-Turn14491478

Frequently asked questions

Is GPT-6.1 Sol better than Qwen3.5 Max Preview?

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 45.3 on the Noometry Index.

Is GPT-6.1 Sol or Qwen3.5 Max Preview better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 63.2 versus 44.0 in the Noometry coding category.

How many benchmarks do GPT-6.1 Sol and Qwen3.5 Max Preview share?

12 benchmarks have published results for both models. GPT-6.1 Sol has 34 scored results on Noometry and Qwen3.5 Max Preview has 17.

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