Model comparison
Claude 2 vs Qwen3.5 Plus
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 25.0 on the Noometry Index.
Last verified . 4 shared benchmarks.
Alibaba (Qwen)Summary
- They share 4 benchmarks with published results for both. Claude 2 scores higher in 0 categories and Qwen3.5 Plus in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen3.5 Plus leads 49.6 to 9.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 2.5% for Claude 2 and 86.7% for Qwen3.5 Plus.
Side by side
| Claude 2 | Qwen3.5 Plus | |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 25.0 | 42.9 |
| Released | 2023-07-11 | 2026-02-16 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.40 |
| Output $ / M tokens | — | $2.40 |
| Results tracked | 8 | 15 |
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Category by category
Coding Not comparable
Claude 2: —, Qwen3.5 Plus: —
| Benchmark | Claude 2 | Qwen3.5 Plus |
|---|---|---|
| ALE-Bench | — | 621.92 |
| HumanEval+ | 61.6% | — |
Agentic & Tool Use Not comparable
Claude 2: —, Qwen3.5 Plus: —
| Benchmark | Claude 2 | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |
Reasoning Qwen3.5 Plus leads
Claude 2: 21.7 (#216), Qwen3.5 Plus: 32.8 (#74)
| Benchmark | Claude 2 | Qwen3.5 Plus |
|---|---|---|
| DTBench | 51.9% | 80.5% |
| Epoch Capabilities Index | 120.13 | 146.78 |
| Chess Puzzles | — | 22% |
| Mystery Game Puzzles | — | 17% |
| LMCA | — | 36.4% |
Math Qwen3.5 Plus leads
Claude 2: 9.3 (#320), Qwen3.5 Plus: 49.6 (#61)
| Benchmark | Claude 2 | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 86.7% |
| MATH Level 5 | 11.7% | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge Qwen3.5 Plus leads
Claude 2: 16.9 (#287), Qwen3.5 Plus: 46.0 (#83)
| Benchmark | Claude 2 | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 34.7% | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |
Long Context Not comparable
Claude 2: —, Qwen3.5 Plus: 43.0 (#113)
| Benchmark | Claude 2 | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
Frequently asked questions
Is Claude 2 better than Qwen3.5 Plus?
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 25.0 on the Noometry Index.
How many benchmarks do Claude 2 and Qwen3.5 Plus share?
4 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Qwen3.5 Plus has 15.