Head to head
Gemini 3 Flash Preview vs Grok 4.20 Reasoning
On a blended workload of one million input tokens and three million output tokens, Grok 4.20 Reasoning is 1.1× cheaper than Gemini 3 Flash Preview.
| Gemini 3 Flash Preview | Grok 4.20 Reasoning | |
|---|---|---|
| Provider | xAI | |
| Input / MTok | $0.5 | $1.25 |
| Output / MTok | $3 | $2.5 |
| Cache read / MTok | $0.05 | — |
| Context window | — | 1,000,000 |
| Blended 1M in + 3M out | $9.50 | $8.75 |
| Status | preview | ga |