GPT-5.5 vs Gemini 3.5 Flash
GPT-5.5 is cheaper on output tokens, while GPT-5.5 offers a larger context window. Choose GPT-5.5 or Gemini 3.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.5 | Gemini 3.5 Flash |
|---|---|---|
| Provider | Xpersona | Xpersona |
| Input / 1M tokens | $1.50 | $1.55 |
| Output / 1M tokens | $12.00 | $12.20 |
| Context window | 1.1M | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Apr 2026 | May 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.