Qwen3.7 Max vs Step 3.5 Flash 2603
Alibaba vs StepFun — benchmarks, pricing, and capabilities side by side.
- •Qwen3.7 Max has the higher intelligence index (92.3 vs 82.6)
- •Step 3.5 Flash 2603 is cheaper ($0.00 vs $2.50 per 1M input)
- •Qwen3.7 Max is faster
| Qwen3.7 Max | Step 3.5 Flash 2603 | |
|---|---|---|
| Intelligence index | 92.3 | 82.6 |
| Developer | Alibaba | StepFun |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 1,000,000 tokens | — |
| Input price | $2.50 / 1M | $0.00 / 1M |
| Output price | $7.50 / 1M | $0.00 / 1M |
| Speed | 203 tok/s | 197 tok/s |
| Released | May 21, 2026 | April 2, 2026 |
| Parameters | — | — |
| Input modalities | Text | — |
| Output modalities | Text | — |
Shared benchmarks
Qwen3.7 Max
Step 3.5 Flash 2603
GPQA Diamond
92.3
82.6
Humanity’s Last Exam
38.1
22.6