Which is better, Claude Opus 5 or Qwen3.5 2B?

Claude Opus 5 vs Qwen3.5 2B

15 SHARED BENCHMARKS

Across 15 shared benchmarks, Claude Opus 5 scores higher on 15 and Qwen3.5 2B on 0. The widest gap is scicode, where Claude Opus 5 scores 56.4 against 7.2.

ANTHROPICVSALIBABA15 SHARED15–0 HEAD-TO-HEAD

BenchmarkClaude Opus 5MARGINQwen3.5 2B

AA Agentic Index56.20.8

AA Intelligence516.9

AA-LCR8225.6

AA-Omniscience37.1-60.2

Artificial Analysis Coding Index782.9

critpt29.10

gdpval61.80

GPQA Diamond93.751.6

HLE64.75

MMMU-Pro84.743

OmniScience Accuracy60.98.1

OmniScience Non-Hallucination40.525.8

scicode56.47.2

TauBench V3 - Banking44.72.5

Terminal-Bench 2.189.13

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.

Compare Claude Opus 5 withALL PAIRINGS →

AnthropicClaude Opus 4.8 Claude Opus 4.6 Claude Sonnet 4.5 Claude 3.5 Sonnet Claude Fable 5 Claude Opus 4.5

Across the fieldQwen3.6 27B Qwen3.7 Max Qwen3.8 Max Preview Qwen3.7 Plus Preview Claude Opus 4 Qwen3.5 4B Gemini 3.6 Flash Nemotron 3 Super 120B A12B

Compare Qwen3.5 2B 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 fieldGemma 4 26B A4B Kimi K3 Llama 3.1 Instruct 405B DeepSeek-V3.2 DeepSeek-V4-Flash Claude Opus 4.7 Gemini 2.5 Pro Gemini 1.5 Pro