Qwen3.6 Max vs Step 3.5 Flash 2603
Alibaba vs StepFun — benchmarks, pricing, and capabilities side by side.
- •Qwen3.6 Max has the higher intelligence index (88.8 vs 82.6)
- •Step 3.5 Flash 2603 is cheaper ($0.00 vs $1.04 per 1M input)
- •Step 3.5 Flash 2603 is faster
| Qwen3.6 Max | Step 3.5 Flash 2603 | |
|---|---|---|
| Intelligence index | 88.8 | 82.6 |
| Developer | Alibaba | StepFun |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 262,144 tokens | — |
| Input price | $1.04 / 1M | $0.00 / 1M |
| Output price | $6.24 / 1M | $0.00 / 1M |
| Speed | 36 tok/s | 197 tok/s |
| Released | April 27, 2026 | April 2, 2026 |
| Parameters | — | — |
| Input modalities | Text | — |
| Output modalities | Text | — |
Shared benchmarks
Qwen3.6 Max
Step 3.5 Flash 2603
GPQA Diamond
88.8
82.6
Humanity’s Last Exam
28.9
22.6