Last refreshed 2026-06-15. Next refresh: weekly.
Why use Sonar Reasoning Pro on Perplexity Labs?
Perplexity Labs offers Sonar Reasoning Pro with pay-as-you-go pricing at $2.00/1M input tokens. Perplexity is an advanced AI-powered answer engine that aims to revolutionize information discovery and knowledge acquisition.
Compare Sonar Reasoning Pro across 3 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: sonar-reasoning-prosonar-reasoning-proRequest example
sonar-reasoning-pro.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
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
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).
FAQ
What does Sonar Reasoning Pro cost on Perplexity Labs?
On Perplexity Labs, Sonar Reasoning Pro costs $2 per 1M input tokens and $8 per 1M output tokens.
What is the context window for Sonar Reasoning Pro on Perplexity Labs?
Sonar Reasoning Pro supports a 128k token context window on Perplexity Labs.
How does Perplexity Labs compare to other Sonar Reasoning Pro providers?
Sonar Reasoning Pro is available from 3 providers. The cheapest input pricing is $2/1M tokens from OpenRouter.
What API model ID do I use for Sonar Reasoning Pro on Perplexity Labs?
Use the model ID sonar-reasoning-pro when calling Perplexity Labs's API.
Who created Sonar Reasoning Pro?
Sonar Reasoning Pro was created by Perplexity Labs as part of the Sonar model family.
Is Sonar Reasoning Pro open source?
Sonar Reasoning Pro is not open source; the seed data lists it as proprietary.