Model comparison

GPT-5.6 Sol vs Qwen Plus

GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 37.1 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

65.0

Rank #7 Confirmed

Qwen Plus Alibaba (Qwen)

37.1

Rank #210 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 85.6 to 23.3.
  • 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 Index65.037.1
Released2026-07-092024-01-25
WeightsProprietaryProprietary
Context window1.05M1M
Max output128K33K
Input $ / M tokens$4$0.40
Output $ / M tokens$20$1.20
Results tracked6520

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Category by category

Coding GPT-5.6 Sol leads

GPT-5.6 Sol: 65.1 (#7), Qwen Plus: 38.9 (#167)

Coding benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Coding14981328
DeepSWE72.7%—
FrontierCode47.5%—
CursorBench41.7%—
LMArena WebDev1618—
FrontierSWE32.2%—
SciCode57.1%—
GSO76.5%—
WeirdML89.4%—
MirrorCode20%—
ALE-Bench2,177—

Agentic & Tool Use Not comparable

GPT-5.6 Sol: 50.3 (#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: 74.8 (#8), Qwen Plus: 28.4 (#107)

Reasoning benchmarks
BenchmarkGPT-5.6 SolQwen Plus
Kagi LLM Benchmark67%63.3%
LMArena Hard Prompts14841317
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 Index161.66—

Math GPT-5.6 Sol leads

GPT-5.6 Sol: 85.6 (#9), Qwen Plus: 23.3 (#271)

Math benchmarks
BenchmarkGPT-5.6 SolQwen Plus
OTIS Mock AIME 2024-2025100%17.8%
LMArena Math14741326
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 (#18), Qwen Plus: 27.4 (#251)

Knowledge benchmarks
BenchmarkGPT-5.6 SolQwen Plus
GPQA Diamond93.5%48.1%
LMArena Expert15161328
SimpleQA Verified69.7%—
Vectara Hallucination Rate12.4%—

Multimodal Not comparable

GPT-5.6 Sol: 48.6 (#9), 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: 55.3 (#32), Qwen Plus: 45.1 (#175)

Multilingual benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Non-English14521310
LMArena Chinese15271347
LMArena Japanese14711251
LMArena Russian14681323
LMArena French1477—
LMArena German1476—
LMArena Korean1442—
LMArena Spanish1441—

Instruction Following GPT-5.6 Sol leads

GPT-5.6 Sol: 77.7 (#16), Qwen Plus: 68.8 (#181)

Instruction Following benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Instruction Following14821303

Long Context GPT-5.6 Sol leads

GPT-5.6 Sol: 45.4 (#42), Qwen Plus: 40.3 (#158)

Long Context benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Longer Query14801324

Writing & Preference GPT-5.6 Sol leads

GPT-5.6 Sol: 73.3 (#12), Qwen Plus: 52.2 (#176)

Writing & Preference benchmarks
BenchmarkGPT-5.6 SolQwen Plus
LMArena Text14571326
LMArena Creative Writing14481293
LMArena Multi-Turn14601336
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 65.0 to 37.1 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: 65.1 versus 38.9 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 65 scored results on Noometry and Qwen Plus has 20.

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