Head to head
Gemini 3.1 Pro Preview vs GPT-4o
On a blended workload of one million input tokens and three million output tokens, GPT-4o is 1.2× cheaper than Gemini 3.1 Pro Preview.
| Gemini 3.1 Pro Preview | GPT-4o | |
|---|---|---|
| Provider | OpenAI | |
| Input / MTok | $2 | $2.5 |
| Output / MTok | $12 | $10 |
| Cache read / MTok | $0.2 | $1.25 |
| Context window | — | 128,000 |
| Blended 1M in + 3M out | $38.00 | $32.50 |
| Status | preview | ga |