Head to head
o3-pro vs GPT-5 Pro
On a blended workload of one million input tokens and three million output tokens, o3-pro is 1.4× cheaper than GPT-5 Pro.
| o3-pro | GPT-5 Pro | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input / MTok | $20 | $15 |
| Output / MTok | $80 | $120 |
| Cache read / MTok | — | — |
| Context window | 200,000 | — |
| Blended 1M in + 3M out | $260.00 | $375.00 |
| Status | ga | ga |