Grok 4.20 vs Grok 4.20 0309 v2
xAI vs xAI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 is cheaper ($1.25 vs $2.00 per 1M input)
| Grok 4.20 | Grok 4.20 0309 v2 | |
|---|---|---|
| Intelligence index | — | 91.1 |
| Developer | xAI | xAI |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 2,000,000 tokens | — |
| Input price | $1.25 / 1M | $2.00 / 1M |
| Output price | $2.50 / 1M | $6.00 / 1M |
| Speed | — | 105 tok/s |
| Released | February 17, 2026 | April 7, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |