Model comparison

GPT-5.5 vs Qwen1.5-110B

GPT-5.5 is the stronger model overall, scoring 63.4 to 34.2 on the Noometry Index.

Last verified . 18 shared benchmarks.

GPT-5.5 OpenAI

63.4

Rank #9 Confirmed

Qwen1.5-110B Alibaba (Qwen)

34.2

Rank #234 Confirmed

Summary

  • They share 18 benchmarks with published results for both. GPT-5.5 scores higher in 8 categories and Qwen1.5-110B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.5 leads 72.8 to 22.7.
  • Qwen1.5-110B has downloadable open weights; the other is API-only.

Side by side

GPT-5.5 and Qwen1.5-110B specifications
GPT-5.5Qwen1.5-110B
ProviderOpenAIAlibaba (Qwen)
Noometry Index63.434.2
Released2026-04-232024-04-25
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$30—
Results tracked7120

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Category by category

Coding GPT-5.5 leads

GPT-5.5: 58.2 (#17), Qwen1.5-110B: 33.0 (#264)

Coding benchmarks
BenchmarkGPT-5.5Qwen1.5-110B
LMArena Coding14941184
SWE-bench Verified80.6%—
DeepSWE67%—
FrontierCode43%—
LMArena WebDev1513—
SciCode56.1%—
GSO40.2%—
WeirdML84.9%—
BigCodeBench Instruct—35%
MirrorCode10%—
BigCodeBench Complete—44.4%
ALE-Bench1,943—

Agentic & Tool Use Not comparable

GPT-5.5: 50.7 (#6), Qwen1.5-110B: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.5Qwen1.5-110B
Terminal-Bench84.7%—
APEX-Agents55.1%—
OSWorld 2.013%—
Remote Labor Index6.3%—
τ²-bench Banking44.6%—
DeepResearch Bench54%—
PostTrainBench27.2%—
ExploitBench47.4%—
GBAEval53.2%—
GDP.pdf26%—
LMArena Search1242—
Vending-Bench 27,524—

Reasoning GPT-5.5 leads

GPT-5.5: 72.8 (#11), Qwen1.5-110B: 22.7 (#189)

Reasoning benchmarks
BenchmarkGPT-5.5Qwen1.5-110B
LMArena Hard Prompts14891168
ForecastBench60.657.7
ARC-AGI-285%—
SimpleBench69%—
Kagi LLM Benchmark88.8%—
NYT Connections (extended)96.2%—
ARC-AGI-195%—
CritPt27.1%—
Chess Puzzles54%—
EBR-Bench34.3%—
Mystery Game Puzzles56%—
DTBench96%—
LMCA54.3%—
Surface Evolver Bench88.1%—
Bench to the Future 30.14—
Epoch Capabilities Index159.1—

Math GPT-5.5 leads

GPT-5.5: 81.7 (#11), Qwen1.5-110B: 33.7 (#201)

Knowledge GPT-5.5 leads

GPT-5.5: 64.4 (#17), Qwen1.5-110B: 31.2 (#219)

Knowledge benchmarks
BenchmarkGPT-5.5Qwen1.5-110B
LMArena Expert15081144
GPQA Diamond94%—
SimpleQA Verified63%—
Vectara Hallucination Rate9.3%—

Multimodal Not comparable

GPT-5.5: 46.9 (#12), Qwen1.5-110B: —

Multimodal benchmarks
BenchmarkGPT-5.5Qwen1.5-110B
LMArena Vision1297—
Blueprint-Bench 236.2%—
Furniture Assembly44.2%—
LMArena Document1486—

Multilingual GPT-5.5 leads

GPT-5.5: 56.4 (#20), Qwen1.5-110B: 33.6 (#250)

Multilingual benchmarks
BenchmarkGPT-5.5Qwen1.5-110B
LMArena Non-English14671142
LMArena Chinese15331206
LMArena French14861151
LMArena German14801123
LMArena Japanese14981074
LMArena Korean14601044
LMArena Russian14731118
LMArena Spanish14681142

Instruction Following GPT-5.5 leads

GPT-5.5: 77.5 (#18), Qwen1.5-110B: 60.3 (#252)

Instruction Following benchmarks
BenchmarkGPT-5.5Qwen1.5-110B
LMArena Instruction Following14791158

Long Context GPT-5.5 leads

GPT-5.5: 48.3 (#12), Qwen1.5-110B: 35.1 (#242)

Long Context benchmarks
BenchmarkGPT-5.5Qwen1.5-110B
LMArena Longer Query14841157
CL-bench Life22.2%—

Writing & Preference GPT-5.5 leads

GPT-5.5: 72.7 (#13), Qwen1.5-110B: 38.0 (#255)

Writing & Preference benchmarks
BenchmarkGPT-5.5Qwen1.5-110B
LMArena Text14721175
LMArena Creative Writing14551148
LMArena Multi-Turn14761160
EQ-Bench Creative Writing1844—
EQ-Bench 41315—

Frequently asked questions

Is GPT-5.5 better than Qwen1.5-110B?

GPT-5.5 is the stronger model overall, scoring 63.4 to 34.2 on the Noometry Index.

Is GPT-5.5 or Qwen1.5-110B better for coding?

GPT-5.5 scores higher on coding benchmarks: 58.2 versus 33.0 in the Noometry coding category.

How many benchmarks do GPT-5.5 and Qwen1.5-110B share?

18 benchmarks have published results for both models. GPT-5.5 has 71 scored results on Noometry and Qwen1.5-110B has 20.

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