Model comparison

GPT-5.5 vs Hunyuan Vision 1.5

GPT-5.5 is the stronger model overall, scoring 63.4 to 43.1 on the Noometry Index.

Last verified . 9 shared benchmarks.

GPT-5.5 OpenAI

63.4

Rank #9 Confirmed

Hunyuan Vision 1.5 Tencent

43.1

Rank #98 Confirmed

Summary

  • They share 9 benchmarks with published results for both. GPT-5.5 scores higher in 7 categories and Hunyuan Vision 1.5 in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.5 leads 72.8 to 28.9.

Side by side

GPT-5.5 and Hunyuan Vision 1.5 specifications
GPT-5.5Hunyuan Vision 1.5
ProviderOpenAITencent
Noometry Index63.443.1
Released2026-04-23—
WeightsProprietaryProprietary
Context window1.05M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$30—
Results tracked719

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GPT-5.5 leads

GPT-5.5: 58.2 (#17), Hunyuan Vision 1.5: 41.8 (#119)

Coding benchmarks
BenchmarkGPT-5.5Hunyuan Vision 1.5
LMArena Coding14941418
SWE-bench Verified80.6%—
DeepSWE67%—
FrontierCode43%—
LMArena WebDev1513—
SciCode56.1%—
GSO40.2%—
WeirdML84.9%—
MirrorCode10%—
ALE-Bench1,943—

Agentic & Tool Use Not comparable

GPT-5.5: 50.7 (#6), Hunyuan Vision 1.5: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.5Hunyuan Vision 1.5
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), Hunyuan Vision 1.5: 28.9 (#97)

Reasoning benchmarks
BenchmarkGPT-5.5Hunyuan Vision 1.5
LMArena Hard Prompts14891416
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—
ForecastBench60.6—

Math Not comparable

GPT-5.5: 81.7 (#11), Hunyuan Vision 1.5: —

Knowledge Not comparable

GPT-5.5: 64.4 (#17), Hunyuan Vision 1.5: —

Knowledge benchmarks
BenchmarkGPT-5.5Hunyuan Vision 1.5
GPQA Diamond94%—
SimpleQA Verified63%—
Vectara Hallucination Rate9.3%—
LMArena Expert1508—

Multimodal GPT-5.5 leads

GPT-5.5: 46.9 (#12), Hunyuan Vision 1.5: 35.7 (#84)

Multimodal benchmarks
BenchmarkGPT-5.5Hunyuan Vision 1.5
LMArena Vision12971180
Blueprint-Bench 236.2%—
Furniture Assembly44.2%—
LMArena Document1486—

Multilingual GPT-5.5 leads

GPT-5.5: 56.4 (#20), Hunyuan Vision 1.5: 50.3 (#125)

Multilingual benchmarks
BenchmarkGPT-5.5Hunyuan Vision 1.5
LMArena Non-English14671382
LMArena Chinese1533—
LMArena French1486—
LMArena German1480—
LMArena Japanese1498—
LMArena Korean1460—
LMArena Russian1473—
LMArena Spanish1468—

Instruction Following GPT-5.5 leads

GPT-5.5: 77.5 (#18), Hunyuan Vision 1.5: 73.7 (#117)

Instruction Following benchmarks
BenchmarkGPT-5.5Hunyuan Vision 1.5
LMArena Instruction Following14791397

Long Context GPT-5.5 leads

GPT-5.5: 48.3 (#12), Hunyuan Vision 1.5: 42.9 (#115)

Long Context benchmarks
BenchmarkGPT-5.5Hunyuan Vision 1.5
LMArena Longer Query14841404
CL-bench Life22.2%—

Writing & Preference GPT-5.5 leads

GPT-5.5: 72.7 (#13), Hunyuan Vision 1.5: 60.1 (#100)

Writing & Preference benchmarks
BenchmarkGPT-5.5Hunyuan Vision 1.5
LMArena Text14721405
LMArena Creative Writing14551388
LMArena Multi-Turn14761422
EQ-Bench Creative Writing1844—
EQ-Bench 41315—

Frequently asked questions

Is GPT-5.5 better than Hunyuan Vision 1.5?

GPT-5.5 is the stronger model overall, scoring 63.4 to 43.1 on the Noometry Index.

Is GPT-5.5 or Hunyuan Vision 1.5 better for coding?

GPT-5.5 scores higher on coding benchmarks: 58.2 versus 41.8 in the Noometry coding category.

How many benchmarks do GPT-5.5 and Hunyuan Vision 1.5 share?

9 benchmarks have published results for both models. GPT-5.5 has 71 scored results on Noometry and Hunyuan Vision 1.5 has 9.

Related comparisons

Go deeper