# Perplexity: Sonar Reasoning Pro

`perplexity/sonar-reasoning-pro` — **openrouter** · CHAT

> Perplexity: Sonar Reasoning Pro (perplexity/sonar-reasoning-pro) is a chat model from openrouter with a 128K-token context window; proprietary (API-only); capabilities reasoning, vision; input image, text; output text.

| Field | Value |
| --- | --- |
| Vendor | openrouter |
| Kind | CHAT |
| Context window | 128,000 tokens |
| Max output tokens | 115,200 tokens |
| Indicative price (US list) | $2 in / $8 out per 1M tokens (indicative US list — verify with vendor) |
| Cited capability index | intelligence index 11.8 (cited from Artificial Analysis — verify at the source) |
| Input modalities | image, text |
| Output modalities | text |
| Capabilities | reasoning, vision |
| Weights | Proprietary (API-only) |
| Release date | 2025-03-07 |
| Sources | committed, models-dev, openrouter-api |
| Last verified | 2026-11-05 |

*Part of the [Model Catalog](https://models.viglet.org/) — [openrouter models](https://models.viglet.org/models/openrouter/) · [Vendor JSON](https://models.viglet.org/by-vendor/openrouter.json) · [HTML](https://models.viglet.org/models/openrouter/perplexity-sonar-reasoning-pro.html)*