Model comparison

GPT-5.6 Sol vs Qwen3.8 Max

GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 56.8 on the Noometry Index. Qwen3.8 Max costs 2.7× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.

Last verified . 39 shared benchmarks.

GPT-5.6 Sol OpenAI

65.0

Rank #7 Confirmed

Qwen3.8 Max Alibaba (Qwen)

56.8

Rank #22 Confirmed

Summary

  • They share 39 benchmarks with published results for both. GPT-5.6 Sol scores higher in 8 categories and Qwen3.8 Max in 2 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.6 Sol leads 74.8 to 54.4.
  • The biggest single-benchmark swing is Furniture Assembly: 56.7% for GPT-5.6 Sol and 20% for Qwen3.8 Max.
  • Qwen3.8 Max is cheaper at $2 / $6 per million input/output tokens, against $4 / $20 for GPT-5.6 Sol.
  • GPT-5.6 Sol accepts more context: 1.05M tokens versus 1M.

Side by side

GPT-5.6 Sol and Qwen3.8 Max specifications
GPT-5.6 SolQwen3.8 Max
ProviderOpenAIAlibaba (Qwen)
Noometry Index65.056.8
Released2026-07-092026-08-02
WeightsProprietaryProprietary
Context window1.05M1M
Max output128K131K
Input $ / M tokens$4$2
Output $ / M tokens$20$6
Results tracked6539

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Category by category

Coding GPT-5.6 Sol leads

GPT-5.6 Sol: 65.1 (#7), Qwen3.8 Max: 53.5 (#29)

Coding benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
DeepSWE72.7%57.5%
LMArena WebDev16181674
FrontierSWE32.2%17.8%
SciCode57.1%53.2%
LMArena Coding14981502
FrontierCode47.5%—
CursorBench41.7%—
GSO76.5%—
WeirdML89.4%—
MirrorCode20%—
ALE-Bench2,177—

Agentic & Tool Use GPT-5.6 Sol leads

GPT-5.6 Sol: 50.3 (#7), Qwen3.8 Max: 45.4 (#14)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
APEX-Agents51.4%63.3%
τ²-bench Banking46.9%55.1%
GDP.pdf30.7%23.2%
OSWorld 2.027.3%—
PostTrainBench36.2%—
BALROG60%—
GBAEval52.6%—
LMArena Search1257—
Vending-Bench 29,619—

Reasoning GPT-5.6 Sol leads

GPT-5.6 Sol: 74.8 (#8), Qwen3.8 Max: 54.4 (#26)

Reasoning benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
NYT Connections (extended)93.8%88.3%
CritPt32.3%20%
Chess Puzzles64%40%
LMArena Hard Prompts14841496
Mystery Game Puzzles58%38%
DTBench96%92%
LMCA59.2%46.2%
Epoch Capabilities Index161.66156.41
ARC-AGI-292.5%—
SimpleBench71.7%—
Kagi LLM Benchmark67%—
ARC-AGI-197.5%—
EnigmaEval37.1%—
EBR-Bench44.8%—
Surface Evolver Bench93.1%—
Bench to the Future 30.14—

Math GPT-5.6 Sol leads

GPT-5.6 Sol: 85.6 (#9), Qwen3.8 Max: 73.2 (#20)

Math benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
FrontierMath (Tiers 1-3)89.1%74.7%
FrontierMath Tier 482.9%46.3%
OTIS Mock AIME 2024-2025100%100%
ProofBench83%58%
LMArena Math14741499
FrontierMath Erdős0%—

Knowledge GPT-5.6 Sol leads

GPT-5.6 Sol: 64.3 (#18), Qwen3.8 Max: 61.7 (#27)

Knowledge benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
GPQA Diamond93.5%92.7%
SimpleQA Verified69.7%47.3%
LMArena Expert15161507
Vectara Hallucination Rate12.4%—

Multimodal GPT-5.6 Sol leads

GPT-5.6 Sol: 48.6 (#9), Qwen3.8 Max: 37.2 (#75)

Multimodal benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
LMArena Vision12811314
Furniture Assembly56.7%20%
Blueprint-Bench 233.6%—
LMArena Document1483—

Multilingual Qwen3.8 Max leads

GPT-5.6 Sol: 55.3 (#32), Qwen3.8 Max: 56.7 (#18)

Multilingual benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
LMArena Non-English14521472
LMArena Chinese15271538
LMArena French14771503
LMArena German14761483
LMArena Japanese14711467
LMArena Korean14421461
LMArena Russian14681481
LMArena Spanish14411492

Instruction Following Too close to call

GPT-5.6 Sol: 77.7 (#16), Qwen3.8 Max: 77.6 (#17)

Instruction Following benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
LMArena Instruction Following14821479

Long Context Too close to call

GPT-5.6 Sol: 45.4 (#42), Qwen3.8 Max: 45.6 (#31)

Long Context benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
LMArena Longer Query14801489

Writing & Preference GPT-5.6 Sol leads

GPT-5.6 Sol: 73.3 (#12), Qwen3.8 Max: 67.1 (#30)

Writing & Preference benchmarks
BenchmarkGPT-5.6 SolQwen3.8 Max
LMArena Text14571483
LMArena Creative Writing14481479
LMArena Multi-Turn14601489
EQ-Bench Creative Writing1972—
EQ-Bench 41250—

Frequently asked questions

Is GPT-5.6 Sol better than Qwen3.8 Max?

GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 56.8 on the Noometry Index. Qwen3.8 Max costs 2.7× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.

Which is cheaper, GPT-5.6 Sol or Qwen3.8 Max?

Qwen3.8 Max is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; GPT-5.6 Sol lists at $4 and $20.

Is GPT-5.6 Sol or Qwen3.8 Max better for coding?

GPT-5.6 Sol scores higher on coding benchmarks: 65.1 versus 53.5 in the Noometry coding category.

Which has the bigger context window?

GPT-5.6 Sol does, with 1.05M tokens against 1M.

How many benchmarks do GPT-5.6 Sol and Qwen3.8 Max share?

39 benchmarks have published results for both models. GPT-5.6 Sol has 65 scored results on Noometry and Qwen3.8 Max has 39.

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