Last refreshed 2026-06-15. Next refresh: weekly.
Why use Sonar Reasoning Pro on OpenRouter?
OpenRouter offers Sonar Reasoning Pro with pay-as-you-go pricing at $2.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Sonar Reasoning Pro across 3 providers to find the best fit for your use caseInput / 1M
$2.00
Output / 1M
$8.00
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: perplexity/sonar-reasoning-proModel ID
perplexity/sonar-reasoning-proRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
perplexity/sonar-reasoning-pro.Gotchas
- Use provider model ID "perplexity/sonar-reasoning-pro", not the LLMReference slug "sonar-reasoning-pro".
Compare Sonar Reasoning Pro Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $2.00 | $8.00 |
| Perplexity Labs | $2.00 | $8.00 |
| Vercel AI Gateway | — | — |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.00 |
| Output tokens | $8.00 |
Capabilities
Structured Outputs
About Sonar Reasoning Pro
Perplexity's Chain-of-Thought reasoning search model. Replaced sonar-reasoning (deprecated December 2025). Request fees: $6-$14/1K requests (Low/Medium/High).
Get Started
Model Specs
Released2025-03-01
Context128k