Perplexity
Sonar Reasoning Pro
Web-grounded Sonar for multi-step research questions that need cited reasoning
Model facts
- Context window
- 128K tokens
- Maximum output
- 4K tokens
- Cheapest paid input
- $2 per 1M tokens
- Cheapest paid output
- $8 per 1M tokens
- Open weights
- no
- Providers
- 10
Capabilities and modalities
reasoning, structured output, attachments, temperature control, text, image.
Artificial Analysis benchmarks
Compare this model on the full LLM benchmark leaderboard.
| Configuration | AAI | Coding | Math | Output tokens/s |
|---|---|---|---|---|
| default | 18.0 | not measured | not measured | not measured |
Observed price history
- 2026-08-24: $2 input / $8 output per 1M tokens
API providers
- DevPass (LLM Gateway) — model id sonar-reasoning-pro; $2 input / $8 output per 1M tokens; provider documentation
- Eden AI — model id perplexityai/sonar-reasoning-pro; $2 input / $8 output per 1M tokens; provider documentation
- Helicone (Perplexity) — model id sonar-reasoning-pro; $2 input / $8 output per 1M tokens; provider documentation
- Kilo Gateway (Perplexity) — model id perplexity/sonar-reasoning-pro; $2 input / $8 output per 1M tokens; provider documentation
- LLM Gateway (Perplexity) — model id perplexity/sonar-reasoning-pro; $2 input / $8 output per 1M tokens; provider documentation
- OpenRouter — model id perplexity/sonar-reasoning-pro; $2 input / $8 output per 1M tokens; provider documentation
- Opper — model id perplexity/sonar-reasoning-pro; $2 input / $8 output per 1M tokens; provider documentation
- Perplexity — model id sonar-reasoning-pro; $2 input / $8 output per 1M tokens; provider documentation
- AnyAPI — model id perplexity/sonar-reasoning-pro; not published input / not published output per 1M tokens; provider documentation
- Vercel AI Gateway — model id perplexity/sonar-reasoning-pro; not published input / not published output per 1M tokens; provider documentation