Which is better, GLM-5.1 or Qwen3.5 4B?

GLM-5.1 vs Qwen3.5 4B

25 SHARED BENCHMARKS

Across 25 shared benchmarks, GLM-5.1 scores higher on 24 and Qwen3.5 4B on 1. The widest gap is τ³-Bench, where GLM-5.1 scores 70.6 against 8.2. Qwen3.5 4B is the cheaper of the two on tracked API pricing ($0.03 against $1.38 per million input tokens).

Z.AIVSALIBABA25 SHARED24–1 HEAD-TO-HEAD

BenchmarkGLM-5.1MARGINQwen3.5 4B

AA Agentic Index6636.3

AA Intelligence26.420

AA-LCR73.763

AA-Omniscience0.8-58.4

aime_202695.899

Artificial Analysis Coding Index55.822.6

critpt4.60

gdpval54.78.3

GPQA Diamond86.877.1

HLE52.39.9

HMMT 20259476.8

hmmt_feb_202689.484.1

IFBench76.359.2

LiveCodeBench v685.755.8

MMLU-Pro8679.1

multichallenge6349

OmniScience Accuracy25.215.1

OmniScience Non-Hallucination70.113.4

PinchBench81.271.3

scicode44.818.3

TauBench V3 - Banking13.66.8

Terminal-Bench 2.163.525.8

Terminal-Bench Hard43.218.2

τ²-Bench Telecom (AA run)97.792.1

τ³-Bench70.68.2

Best tracked score per model per benchmark (default configuration; source-attributed). ↓ marks lower-is-better metrics. Open either model for its full surface, provenance and pricing. Quoted rates are the price-setter row we currently track for each model — its direct or vendor-official listing where one exists (direct, direct), otherwise the lowest tracked offer.

Compare GLM-5.1 withALL PAIRINGS →

Z.aiGLM-5.2

Across the fieldGemini 3.6 Flash Nemotron 3 Super 120B A12B GPT-5.5 Claude Opus 4.8 GPT-4o GPT-5.6 Sol Gemini 3.1 Pro GPT-5.4

Compare Qwen3.5 4B withALL PAIRINGS →

AlibabaQwen3.5 35B A3B Qwen3 VL 4B (Reasoning)Qwen3.5 397B A17B Qwen2.5 Instruct 72B Qwen3.5 27B Qwen3.6 Plus

Across the fieldGLM-5.2 o4-mini Claude Sonnet 4.6 o1 Gemma 4 31B Kimi K2 Instruct Gemma 4 E2B GPT-4o mini