Grok 4 Fast vs Qwen3.6 Max
xAI vs Alibaba — benchmarks, pricing, and capabilities side by side.
- •Qwen3.6 Max has the higher intelligence index (88.8 vs 78.7)
- •Grok 4 Fast is cheaper ($0.20 vs $1.04 per 1M input)
- •Grok 4 Fast is faster
- •Grok 4 Fast has a larger context window (2M)
| Grok 4 Fast | Qwen3.6 Max | |
|---|---|---|
| Intelligence index | 78.7 | 88.8 |
| Developer | xAI | Alibaba |
| Type | LLM | LLM |
| Access | API only | API only |
| Context window | 2,000,000 tokens | 262,144 tokens |
| Input price | $0.20 / 1M | $1.04 / 1M |
| Output price | $0.50 / 1M | $6.24 / 1M |
| Speed | 90 tok/s | 36 tok/s |
| Released | September 19, 2025 | April 27, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
Grok 4 Fast
Qwen3.6 Max
GPQA Diamond
85.7
88.8
Humanity’s Last Exam
20
28.9