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Sonar Pro vs GPT-5
Perplexity vs OpenAI — head-to-head specs and pricing.
Perplexity
Sonar Pro
Online LLM with live citations.
Perplexity Sonar Pro — a chat model with live web search and inline source citations.
OpenAI
GPT-5
OpenAI's flagship general-purpose model.
GPT-5 is OpenAI's flagship LLM — strong reasoning, tool use, vision, and JSON mode. Drop-in for anything you'd use GPT-4o for.
| Spec | Sonar Pro | GPT-5 |
|---|---|---|
| Provider | Perplexity | OpenAI |
| Input cost / 1M tokens | $3.60 | $3.00 |
| Output cost / 1M tokens | $18.00 | $12.00 |
| Context window | 200,000 tokens | 256,000 tokens |
| Max output tokens | — | 16,000 |
| Streaming support | ✓ | ✓ |
| Tool calling | — | ✓ |
| Vision input | — | ✓ |
| JSON mode | — | ✓ |
| Status | ACTIVE | ACTIVE |
Use both via OneAPIKey — one key, one bill
OneAPIKey aggregates Perplexity, OpenAI, and 10 more providers behind a single API. Smart Routing automatically picks the best model per request — or you choose explicitly.
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