GLM 4.7 vs Grok 4 Fast
Zhipu AI vs xAI — benchmarks, pricing, and capabilities side by side.
- •GLM 4.7 has the higher intelligence index (89 vs 78.7)
- •Grok 4 Fast is cheaper ($0.20 vs $0.40 per 1M input)
- •GLM 4.7 is faster
- •Grok 4 Fast has a larger context window (2M)
| GLM 4.7 | Grok 4 Fast | |
|---|---|---|
| Intelligence index | 89 | 78.7 |
| Developer | Zhipu AI | xAI |
| Type | LLM | LLM |
| Access | Open weights | API only |
| Context window | 202,752 tokens | 2,000,000 tokens |
| Input price | $0.40 / 1M | $0.20 / 1M |
| Output price | $1.75 / 1M | $0.50 / 1M |
| Speed | 98 tok/s | 90 tok/s |
| Released | December 22, 2025 | September 19, 2025 |
| Parameters | — | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
GLM 4.7
Grok 4 Fast
AIME 2025
95
92
GPQA Diamond
85.9
85.7
Humanity’s Last Exam
25.1
20
LiveCodeBench
89.4
80
MMLU-Pro
85.6
85