GLM 4.5V vs Grok-4 Heavy
Zhipu AI vs xAI — benchmarks, pricing, and capabilities side by side.
- •Grok-4 Heavy has the higher intelligence index (89.3 vs 70.1)
| GLM 4.5V | Grok-4 Heavy | |
|---|---|---|
| Intelligence index | 70.1 | 89.3 |
| Developer | Zhipu AI | xAI |
| Type | Multimodal | Multimodal |
| Access | Open weights | API only |
| Context window | 65,536 tokens | — |
| Input price | $0.60 / 1M | — |
| Output price | $1.80 / 1M | — |
| Speed | 85 tok/s | — |
| Released | August 11, 2025 | July 9, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
GLM 4.5V
Grok-4 Heavy
AIME 2025
73
100
GPQA Diamond
68.4
88.4
Humanity’s Last Exam
5.9
50.7
LiveCodeBench
60.4
79.4