Head to head
GPT-4.1 nano vs GPT-5 nano
On a blended workload of one million input tokens and three million output tokens, GPT-5 nano is 1.0× cheaper than GPT-4.1 nano.
| GPT-4.1 nano | GPT-5 nano | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input / MTok | $0.1 | $0.05 |
| Output / MTok | $0.4 | $0.4 |
| Cache read / MTok | $0.025 | $0.005 |
| Context window | 1,047,576 | — |
| Blended 1M in + 3M out | $1.30 | $1.25 |
| Status | ga | ga |