Comparison · prices as of 2026-07-04
GPT-5 mini vs GPT-5 nano
On price alone, GPT-5 nano (OpenAI) runs about 80% cheaper than GPT-5 mini for a typical chat workload (2K input + 500 output tokens, 1,000 requests/day). Whether that's the right trade depends on the capability gap — pricing below, verify quality on your own evals.
| Spec | GPT-5 mini | GPT-5 nano |
|---|---|---|
| Input / MTok | $0.25 | $0.05 |
| Output / MTok | $2 | $0.40 |
| Context window | 400K | 400K |
| Max output | 128K | 128K |
| Class | workhorse | fast |
| Reference workload / month | $45.00 | $9.00 |
Sources: OpenAI pricing · OpenAI pricing. Run your own numbers in the cost calculator.