Gemini 3.5 Flash vs GPT-5 Nano
GPT-5 Nano is cheaper on output tokens, while Gemini 3.5 Flash offers a larger context window. Choose Gemini 3.5 Flash or GPT-5 Nano based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini 3.5 Flash | GPT-5 Nano |
|---|---|---|
| Provider | Merge Gateway | Merge Gateway |
| Input / 1M tokens | $1.50 | $0.05 |
| Output / 1M tokens | $9.00 | $0.40 |
| Context window | 1M | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | May 2026 | Aug 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.