Head to head
Grok 4.3 vs Grok 4.20 Reasoning
On a blended workload of one million input tokens and three million output tokens, Grok 4.20 Reasoning is line-ball with Grok 4.3.
| Grok 4.3 | Grok 4.20 Reasoning | |
|---|---|---|
| Provider | xAI | xAI |
| Input / MTok | $1.25 | $1.25 |
| Output / MTok | $2.5 | $2.5 |
| Cache read / MTok | — | — |
| Context window | 1,000,000 | 1,000,000 |
| Blended 1M in + 3M out | $8.75 | $8.75 |
| Status | ga | ga |