Model comparison
Qwen1.5 4b Chat vs Qwen3.7 Flash
Qwen3.7 Flash is the stronger model overall, scoring 39.9 to 28.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in knowledge, where Qwen3.7 Flash leads 48.9 to 26.7.
- Qwen1.5 4b Chat has downloadable open weights; the other is API-only.
Side by side
| Qwen1.5 4b Chat | Qwen3.7 Flash | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 28.8 | 39.9 |
| Released | — | 2026-07-15 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.03 |
| Output $ / M tokens | — | $0.13 |
| Results tracked | 13 | 7 |
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Category by category
Coding Not comparable
Qwen1.5 4b Chat: 29.1 (#308), Qwen3.7 Flash: —
| Benchmark | Qwen1.5 4b Chat | Qwen3.7 Flash |
|---|---|---|
| LMArena Coding | 999 | — |
Reasoning Qwen3.7 Flash leads
Qwen1.5 4b Chat: 18.5 (#279), Qwen3.7 Flash: 28.2 (#108)
| Benchmark | Qwen1.5 4b Chat | Qwen3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 43.8% |
| Chess Puzzles | — | 23% |
| LMArena Hard Prompts | 976 | — |
| Mystery Game Puzzles | — | 15% |
| Epoch Capabilities Index | — | 144.64 |
Math Qwen3.7 Flash leads
Qwen1.5 4b Chat: 30.4 (#234), Qwen3.7 Flash: 38.3 (#140)
| Benchmark | Qwen1.5 4b Chat | Qwen3.7 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 19.3% |
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| LMArena Math | 1026 | — |
Knowledge Qwen3.7 Flash leads
Qwen1.5 4b Chat: 26.7 (#255), Qwen3.7 Flash: 48.9 (#75)
| Benchmark | Qwen1.5 4b Chat | Qwen3.7 Flash |
|---|---|---|
| GPQA Diamond | — | 82.3% |
| LMArena Expert | 980 | — |
Multilingual Not comparable
Qwen1.5 4b Chat: 24.1 (#290), Qwen3.7 Flash: —
| Benchmark | Qwen1.5 4b Chat | Qwen3.7 Flash |
|---|---|---|
| LMArena Non-English | 979 | — |
| LMArena Chinese | 1024 | — |
| LMArena German | 902 | — |
| LMArena Russian | 952 | — |
Instruction Following Not comparable
Qwen1.5 4b Chat: 49.0 (#300), Qwen3.7 Flash: —
| Benchmark | Qwen1.5 4b Chat | Qwen3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 978 | — |
Long Context Not comparable
Qwen1.5 4b Chat: 30.1 (#290), Qwen3.7 Flash: —
| Benchmark | Qwen1.5 4b Chat | Qwen3.7 Flash |
|---|---|---|
| LMArena Longer Query | 988 | — |
Writing & Preference Not comparable
Qwen1.5 4b Chat: 23.8 (#309), Qwen3.7 Flash: —
| Benchmark | Qwen1.5 4b Chat | Qwen3.7 Flash |
|---|---|---|
| LMArena Text | 997 | — |
| LMArena Creative Writing | 969 | — |
| LMArena Multi-Turn | 977 | — |
Frequently asked questions
Is Qwen1.5 4b Chat better than Qwen3.7 Flash?
Qwen3.7 Flash is the stronger model overall, scoring 39.9 to 28.8 on the Noometry Index.
How many benchmarks do Qwen1.5 4b Chat and Qwen3.7 Flash share?
0 benchmarks have published results for both models. Qwen1.5 4b Chat has 13 scored results on Noometry and Qwen3.7 Flash has 7.