Grok 4.1 vs Grok 4.20 0309
xAI vs xAI — benchmarks, pricing, and capabilities side by side.
| Grok 4.1 | Grok 4.20 0309 | |
|---|---|---|
| Intelligence index | — | 88.5 |
| Developer | xAI | xAI |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 256,000 tokens | — |
| Input price | — | $2.00 / 1M |
| Output price | — | $6.00 / 1M |
| Speed | — | 97 tok/s |
| Released | November 17, 2025 | March 10, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |