GPT-4.1 nano vs GPT-5.1
GPT-4.1 nano is cheaper on output tokens, while GPT-4.1 nano offers a larger context window. Choose GPT-4.1 nano or GPT-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-4.1 nano | GPT-5.1 |
|---|---|---|
| Provider | NEAR AI Cloud | NEAR AI Cloud |
| Input / 1M tokens | $0.10 | $1.25 |
| Output / 1M tokens | $0.40 | $10.00 |
| Context window | 1M | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Apr 2025 | Nov 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.