Model comparison
Qwen3.7 Flash vs Step 5 Preview
Step 5 Preview is the stronger model overall, scoring 43.8 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 26× less per token, which makes it the better buy when Step 5 Preview's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)
StepFunSummary
- The widest gap is in reasoning, where Step 5 Preview leads 38.0 to 27.3.
- Qwen3.7 Flash is cheaper at $0.03 / $0.13 per million input/output tokens, against $1 / $2.70 for Step 5 Preview.
- Step 5 Preview accepts more context: 1.02M tokens versus 1M.
Side by side
| Qwen3.7 Flash | Step 5 Preview | |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 39.5 | 43.8 |
| Released | 2026-07-15 | 2026-09-16 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 1.02M |
| Max output | 131K | 66K |
| Input $ / M tokens | $0.03 | $1 |
| Output $ / M tokens | $0.13 | $2.70 |
| Results tracked | 7 | 3 |
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Category by category
Coding Not comparable
Qwen3.7 Flash: —, Step 5 Preview: 50.6 (#40)
| Benchmark | Qwen3.7 Flash | Step 5 Preview |
|---|---|---|
| LMArena WebDev | — | 1569 |
| SciCode | — | 58.9% |
Reasoning Step 5 Preview leads
Qwen3.7 Flash: 27.3 (#108), Step 5 Preview: 38.0 (#58)
| Benchmark | Qwen3.7 Flash | Step 5 Preview |
|---|---|---|
| NYT Connections (extended) | 43.8% | — |
| CritPt | — | 20.9% |
| Chess Puzzles | 23% | — |
| Mystery Game Puzzles | 15% | — |
| Epoch Capabilities Index | 144.62 | — |
Math Not comparable
Qwen3.7 Flash: 37.3 (#100), Step 5 Preview: —
| Benchmark | Qwen3.7 Flash | Step 5 Preview |
|---|---|---|
| FrontierMath (Tiers 1-3) | 19.3% | — |
| OTIS Mock AIME 2024-2025 | 86.7% | — |
Knowledge Not comparable
Qwen3.7 Flash: 48.9 (#69), Step 5 Preview: —
| Benchmark | Qwen3.7 Flash | Step 5 Preview |
|---|---|---|
| GPQA Diamond | 82.3% | — |
Frequently asked questions
Is Qwen3.7 Flash better than Step 5 Preview?
Step 5 Preview is the stronger model overall, scoring 43.8 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 26× less per token, which makes it the better buy when Step 5 Preview's lead doesn't matter for your workload.
Which is cheaper, Qwen3.7 Flash or Step 5 Preview?
Qwen3.7 Flash is cheaper. It lists at $0.03 per million input tokens and $0.13 per million output tokens; Step 5 Preview lists at $1 and $2.70.
Which has the bigger context window?
Step 5 Preview does, with 1.02M tokens against 1M.
How many benchmarks do Qwen3.7 Flash and Step 5 Preview share?
0 benchmarks have published results for both models. Qwen3.7 Flash has 7 scored results on Noometry and Step 5 Preview has 3.