| 2 models | Pe Perplexity AI Sonar Pro View → | Op OpenAI GPT-5.5 View → |
|---|---|---|
| Maker | Perplexity AI | OpenAI |
| Tier | Flagship | Flagship |
| Status | Default | Default |
| Context window | 200K ctx | 1M ctx |
| Knowledge cutoff | — | Jan 1, 2026 |
| Released | — | Apr 23, 2026 |
| API string | sonar-pro | gpt-5.5 |
| Note | Flagship real-time search model: highest-quality cited answers; $3/1M tokens + $5 per 1K searches. |
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