Head to head
GPT-5 vs Gemini 3.5 Flash
On a blended workload of one million input tokens and three million output tokens, Gemini 3.5 Flash is 1.1× cheaper than GPT-5.
| GPT-5 | Gemini 3.5 Flash | |
|---|---|---|
| Provider | OpenAI | |
| Input / MTok | $1.25 | $1.5 |
| Output / MTok | $10 | $9 |
| Cache read / MTok | $0.125 | $0.15 |
| Context window | — | — |
| Blended 1M in + 3M out | $31.25 | $28.50 |
| Status | ga | ga |