GLM-4.6 vs Grok 4.20 0309
Zhipu AI vs xAI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 has the higher intelligence index (88.5 vs 72.4)
- •GLM-4.6 is cheaper ($0.43 vs $2.00 per 1M input)
- •Grok 4.20 0309 is faster
| GLM-4.6 | Grok 4.20 0309 | |
|---|---|---|
| Intelligence index | 72.4 | 88.5 |
| Developer | Zhipu AI | xAI |
| Type | LLM | LLM |
| Access | Open weights | — |
| Context window | 202,752 tokens | — |
| Input price | $0.43 / 1M | $2.00 / 1M |
| Output price | $1.74 / 1M | $6.00 / 1M |
| Speed | 85 tok/s | 97 tok/s |
| Released | September 30, 2025 | March 10, 2026 |
| Parameters | 357B (MoE) | — |
| Input modalities | Text | — |
| Output modalities | Text | — |
Shared benchmarks
GLM-4.6
Grok 4.20 0309
GPQA Diamond
81
88.5
Humanity’s Last Exam
17.2
30