Model comparison
Claude 2.1 vs Qwen3.6 Flash
Qwen3.6 Flash is the stronger model overall, scoring 38.8 to 25.2 on the Noometry Index.
Last verified . 4 shared benchmarks.
Alibaba (Qwen)Summary
- They share 4 benchmarks with published results for both. Claude 2.1 scores higher in 0 categories and Qwen3.6 Flash in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen3.6 Flash leads 39.0 to 10.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.9% for Claude 2.1 and 84.4% for Qwen3.6 Flash.
Side by side
| Claude 2.1 | Qwen3.6 Flash | |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 25.2 | 38.8 |
| Released | 2023-11-21 | 2026-04-27 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.19 |
| Output $ / M tokens | — | $1.13 |
| Results tracked | 7 | 13 |
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Category by category
Coding Not comparable
Claude 2.1: 26.2 (#327), Qwen3.6 Flash: —
Reasoning Qwen3.6 Flash leads
Claude 2.1: 21.4 (#221), Qwen3.6 Flash: 29.0 (#96)
| Benchmark | Claude 2.1 | Qwen3.6 Flash |
|---|---|---|
| DTBench | 51% | 77.1% |
| Epoch Capabilities Index | 119.27 | 143.26 |
| SimpleBench | — | 35.2% |
| Chess Puzzles | — | 20% |
| Mystery Game Puzzles | — | 18% |
| LMCA | — | 31% |
| ForecastBench | 54.2 | — |
Math Qwen3.6 Flash leads
Claude 2.1: 10.2 (#315), Qwen3.6 Flash: 39.0 (#117)
| Benchmark | Claude 2.1 | Qwen3.6 Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | 84.4% |
| FrontierMath (Tiers 1-3) | — | 22.5% |
| FrontierMath (Feb 2025 set) | — | 10.3% |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge Qwen3.6 Flash leads
Claude 2.1: 15.4 (#292), Qwen3.6 Flash: 42.1 (#100)
| Benchmark | Claude 2.1 | Qwen3.6 Flash |
|---|---|---|
| GPQA Diamond | 33% | 83.3% |
| SimpleQA Verified | — | 15.9% |
| MMLU | 73.5% | — |
Frequently asked questions
Is Claude 2.1 better than Qwen3.6 Flash?
Qwen3.6 Flash is the stronger model overall, scoring 38.8 to 25.2 on the Noometry Index.
How many benchmarks do Claude 2.1 and Qwen3.6 Flash share?
4 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Qwen3.6 Flash has 13.