Head to head
GPT-5.4 Pro vs GPT-5.1
On a blended workload of one million input tokens and three million output tokens, GPT-5.1 is 18.2× cheaper than GPT-5.4 Pro.
| GPT-5.4 Pro | GPT-5.1 | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input / MTok | $30 | $1.25 |
| Output / MTok | $180 | $10 |
| Cache read / MTok | — | $0.125 |
| Context window | — | — |
| Blended 1M in + 3M out | $570.00 | $31.25 |
| Status | ga | ga |