Model comparison
Qwen3.5-9B vs Qwen3.7 Flash
Qwen3.7 Flash is the stronger model overall, scoring 39.9 to 33.8 on the Noometry Index.
Last verified . 4 shared benchmarks.
Alibaba (Qwen)Summary
- They share 4 benchmarks with published results for both. Qwen3.5-9B scores higher in 0 categories and Qwen3.7 Flash in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.7 Flash leads 28.2 to 23.1.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 61.7% for Qwen3.5-9B and 86.7% for Qwen3.7 Flash.
- Qwen3.7 Flash is cheaper at $0.03 / $0.13 per million input/output tokens, against $0.10 / $0.15 for Qwen3.5-9B.
- Qwen3.7 Flash accepts more context: 1M tokens versus 262K.
- Qwen3.5-9B has downloadable open weights; the other is API-only.
Side by side
| Qwen3.5-9B | Qwen3.7 Flash | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 33.8 | 39.9 |
| Released | 2026-02-23 | 2026-07-15 |
| Weights | Open | Proprietary |
| Context window | 262K | 1M |
| Max output | 66K | 131K |
| Input $ / M tokens | $0.10 | $0.03 |
| Output $ / M tokens | $0.15 | $0.13 |
| Results tracked | 10 | 7 |
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Category by category
Coding Not comparable
Qwen3.5-9B: 35.9 (#217), Qwen3.7 Flash: —
| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| SciCode | 27.5% | — |
Agentic & Tool Use Not comparable
Qwen3.5-9B: 14.5 (#151), Qwen3.7 Flash: —
| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| Terminal-Bench | 9.2% | — |
Reasoning Qwen3.7 Flash leads
Qwen3.5-9B: 23.1 (#182), Qwen3.7 Flash: 28.2 (#108)
| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| Chess Puzzles | 12% | 23% |
| Epoch Capabilities Index | 139.46 | 144.64 |
| NYT Connections (extended) | — | 43.8% |
| CritPt | 0.3% | — |
| Mystery Game Puzzles | — | 15% |
| DTBench | 71.2% | — |
| LMCA | 24.5% | — |
Math Qwen3.7 Flash leads
Qwen3.5-9B: 34.8 (#192), Qwen3.7 Flash: 38.3 (#140)
| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 61.7% | 86.7% |
| FrontierMath (Tiers 1-3) | — | 19.3% |
| MathArena Final-Answer Competitions | 48.5% | — |
Knowledge Qwen3.7 Flash leads
Qwen3.5-9B: 46.0 (#84), Qwen3.7 Flash: 48.9 (#75)
| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| GPQA Diamond | 79% | 82.3% |
Frequently asked questions
Is Qwen3.5-9B better than Qwen3.7 Flash?
Qwen3.7 Flash is the stronger model overall, scoring 39.9 to 33.8 on the Noometry Index.
Which is cheaper, Qwen3.5-9B or Qwen3.7 Flash?
Qwen3.7 Flash is cheaper. It lists at $0.03 per million input tokens and $0.13 per million output tokens; Qwen3.5-9B lists at $0.10 and $0.15.
Which has the bigger context window?
Qwen3.7 Flash does, with 1M tokens against 262K.
How many benchmarks do Qwen3.5-9B and Qwen3.7 Flash share?
4 benchmarks have published results for both models. Qwen3.5-9B has 10 scored results on Noometry and Qwen3.7 Flash has 7.