Head to head
Gemini 3.5 Flash vs o3
On a blended workload of one million input tokens and three million output tokens, o3 is 1.1× cheaper than Gemini 3.5 Flash.
| Gemini 3.5 Flash | o3 | |
|---|---|---|
| Provider | OpenAI | |
| Input / MTok | $1.5 | $2 |
| Output / MTok | $9 | $8 |
| Cache read / MTok | $0.15 | $0.5 |
| Context window | — | 200,000 |
| Blended 1M in + 3M out | $28.50 | $26.00 |
| Status | ga | ga |