Perplexity: Sonar vs OpenAI: GPT-5 Pro
Perplexity: Sonar is cheaper on output tokens, while OpenAI: GPT-5 Pro offers a larger context window. Choose Perplexity: Sonar or OpenAI: GPT-5 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Perplexity: Sonar | OpenAI: GPT-5 Pro |
|---|---|---|
| Provider | Kilo Gateway | Kilo Gateway |
| Input / 1M tokens | $1.00 | $15.00 |
| Output / 1M tokens | $1.00 | $120.00 |
| Context window | 127K | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Jan 2024 | Oct 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.