Grok-4 Heavy vs Qwen3 VL 8B Instruct
xAI vs Alibaba — benchmarks, pricing, and capabilities side by side.
- •Grok-4 Heavy has the higher intelligence index (89.3 vs 43)
| Grok-4 Heavy | Qwen3 VL 8B Instruct | |
|---|---|---|
| Intelligence index | 89.3 | 43 |
| Developer | xAI | Alibaba |
| Type | Multimodal | Multimodal |
| Access | API only | Open weights |
| Context window | — | 256,000 tokens |
| Input price | — | $0.08 / 1M |
| Output price | — | $0.50 / 1M |
| Speed | — | 145 tok/s |
| Released | July 9, 2025 | October 14, 2025 |
| Parameters | — | — |
| Input modalities | — | Image, Text |
| Output modalities | — | Text |
Shared benchmarks
Grok-4 Heavy
Qwen3 VL 8B Instruct
AIME 2025
100
27.3
GPQA Diamond
88.4
42.7
Humanity’s Last Exam
50.7
2.9
LiveCodeBench
79.4
33.2