Auto model (Standard) vs GPT-4.1 Nano
GPT-4.1 Nano is cheaper on output tokens, while GPT-4.1 Nano offers a larger context window. Choose Auto model (Standard) or GPT-4.1 Nano based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Auto model (Standard) | GPT-4.1 Nano |
|---|---|---|
| Provider | NanoGPT | OpenAI |
| Input / 1M tokens | $10.00 | $0.10 |
| Output / 1M tokens | $19.99 | $0.40 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Apr 2025 | Apr 2025 |
| Aider Polyglot score | — | 8.9 |
| GPQA Diamond score | — | 48.9 |
| FrontierMath score | — | 1.0 |
| LMArena (Chatbot Arena) Elo score | — | 1285 |
| Epoch Capabilities Index score | — | 130 |
| LMArena Vision Elo score | — | 1063 |
FAQ
Is Auto model (Standard) or GPT-4.1 Nano cheaper?
GPT-4.1 Nano is cheaper on output tokens ($0.40 vs $19.99 per 1M).
Which has the larger context window, Auto model (Standard) or GPT-4.1 Nano?
GPT-4.1 Nano has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.