Grok 4.20 vs Grok 4.3
xAI vs xAI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 has a larger context window (2M)
| Grok 4.20 | Grok 4.3 | |
|---|---|---|
| Intelligence index | — | 90.1 |
| Developer | xAI | xAI |
| Type | LLM | LLM |
| Access | API only | API only |
| Context window | 2,000,000 tokens | 1,000,000 tokens |
| Input price | $1.25 / 1M | $1.25 / 1M |
| Output price | $2.50 / 1M | $2.50 / 1M |
| Speed | — | 88 tok/s |
| Released | February 17, 2026 | May 6, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |