GPT-4.1 Nano vs Solar Pro 4
Solar Pro 4 is cheaper on output tokens, while GPT-4.1 Nano offers a larger context window. Choose GPT-4.1 Nano or Solar Pro 4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-4.1 Nano | Solar Pro 4 |
|---|---|---|
| Provider | OpenAI | Upstage |
| Input / 1M tokens | $0.10 | $0.09 |
| Output / 1M tokens | $0.40 | $0.36 |
| Context window | 1M | 524K |
| Parameters | — | — |
| Open weights | No | — |
| Released | Apr 2025 | — |
| Aider Polyglot score | 8.9 | — |
| LMArena (Chatbot Arena) Elo score | 1285 | 1387 |
| LMArena Vision Elo score | 1063 | — |
| GPQA Diamond score | 48.9 | — |
| FrontierMath score | 1.0 | — |
| Epoch Capabilities Index score | 130 | — |
| LMArena WebDev Elo score | — | 1371 |
FAQ
Is GPT-4.1 Nano or Solar Pro 4 cheaper?
Solar Pro 4 is cheaper on output tokens ($0.36 vs $0.40 per 1M).
Which has the larger context window, GPT-4.1 Nano or Solar Pro 4?
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.