Model comparison

GPT-5.6 Sol vs Qwen Plus

GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 36.7 on the Noometry Index. Qwen Plus costs 13× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.

Last verified . 18 shared benchmarks.

GPT-5.6 Sol OpenAI

64.4

Rank #6 Confirmed

Qwen Plus Alibaba (Qwen)

36.7

Rank #204 Confirmed

Summary

  • They share 18 benchmarks with published results for both. GPT-5.6 Sol scores higher in 8 categories and Qwen Plus in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.6 Sol leads 85.5 to 22.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for GPT-5.6 Sol and 17.8% for Qwen Plus.
  • Qwen Plus is cheaper at $0.40 / $1.20 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 Qwen Plus specifications
GPT-5.6 SolQwen Plus
ProviderOpenAIAlibaba (Qwen)
Noometry Index64.436.7
Released2026-07-092024-01-25
WeightsProprietaryProprietary
Context window1.05M1M
Max output128K33K
Input $ / M tokens$4$0.40
Output $ / M tokens$20$1.20
Results tracked6420

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Category by category

Coding GPT-5.6 Sol leads

GPT-5.6 Sol: 61.1 (#7), Qwen Plus: 38.3 (#163)

Coding benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Coding14931328
DeepSWE72.7%—
FrontierCode47.5%—
CursorBench41.7%—
LMArena WebDev1619—
FrontierSWE32.2%—
SciCode57.1%—
WeirdML89.4%—
MirrorCode20%—
ALE-Bench2,177—

Agentic & Tool Use Not comparable

GPT-5.6 Sol: 50.2 (#7), Qwen Plus: —

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

Reasoning GPT-5.6 Sol leads

GPT-5.6 Sol: 74.7 (#6), Qwen Plus: 27.6 (#101)

Reasoning benchmarks
BenchmarkGPT-5.6 SolQwen Plus
Kagi LLM Benchmark67%63.3%
LMArena Hard Prompts14811317
DTBench96%81.1%
LMCA59.2%24%
ARC-AGI-292.5%—
SimpleBench71.7%—
NYT Connections (extended)93.8%—
ARC-AGI-197.5%—
CritPt32.3%—
Chess Puzzles64%—
EnigmaEval37.1%—
EBR-Bench44.8%—
Mystery Game Puzzles58%—
Surface Evolver Bench93.1%—
Bench to the Future 30.14—
Epoch Capabilities Index161.99—

Math GPT-5.6 Sol leads

GPT-5.6 Sol: 85.5 (#7), Qwen Plus: 22.0 (#266)

Math benchmarks
BenchmarkGPT-5.6 SolQwen Plus
OTIS Mock AIME 2024-2025100%17.8%
LMArena Math14721326
FrontierMath (Tiers 1-3)89.1%—
FrontierMath Tier 482.9%—
ProofBench83%—
MATH Level 5—65.3%
FrontierMath (Feb 2025 set)—1.7%
FrontierMath Erdős0%—

Knowledge GPT-5.6 Sol leads

GPT-5.6 Sol: 64.3 (#16), Qwen Plus: 27.4 (#245)

Knowledge benchmarks
BenchmarkGPT-5.6 SolQwen Plus
GPQA Diamond93.5%48.1%
LMArena Expert15171328
SimpleQA Verified69.7%—
Vectara Hallucination Rate12.4%—

Multimodal Not comparable

GPT-5.6 Sol: 48.9 (#8), Qwen Plus: —

Multimodal benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Vision1281—
Blueprint-Bench 233.6%—
Furniture Assembly56.7%—
LMArena Document1483—

Multilingual GPT-5.6 Sol leads

GPT-5.6 Sol: 55.4 (#32), Qwen Plus: 45.3 (#170)

Multilingual benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Non-English14501310
LMArena Chinese15231347
LMArena Japanese14751251
LMArena Russian14661323
LMArena French1475—
LMArena German1476—
LMArena Korean1434—
LMArena Spanish1449—

Instruction Following GPT-5.6 Sol leads

GPT-5.6 Sol: 77.8 (#16), Qwen Plus: 69.0 (#176)

Instruction Following benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Instruction Following14801303

Long Context GPT-5.6 Sol leads

GPT-5.6 Sol: 45.3 (#42), Qwen Plus: 40.3 (#153)

Long Context benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Longer Query14791325

Writing & Preference GPT-5.6 Sol leads

GPT-5.6 Sol: 73.5 (#12), Qwen Plus: 52.4 (#171)

Writing & Preference benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Text14561326
LMArena Creative Writing14501293
LMArena Multi-Turn14561336
EQ-Bench Creative Writing1972—
EQ-Bench 41250—

Frequently asked questions

Is GPT-5.6 Sol better than Qwen Plus?

GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 36.7 on the Noometry Index. Qwen Plus costs 13× 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 Qwen Plus?

Qwen Plus is cheaper. It lists at $0.40 per million input tokens and $1.20 per million output tokens; GPT-5.6 Sol lists at $4 and $20.

Is GPT-5.6 Sol or Qwen Plus better for coding?

GPT-5.6 Sol scores higher on coding benchmarks: 61.1 versus 38.3 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 Qwen Plus share?

18 benchmarks have published results for both models. GPT-5.6 Sol has 64 scored results on Noometry and Qwen Plus has 20.

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