Sonar Reasoning Pro
Reasoning
Reasoning Sonar Pro, chain-of-thought built on top of the web-grounded retrieval layer. Cites its sources while thinking.
Sonar Reasoning Pro is a reasoning AI model from Perplexity. It costs $2.000 per million input tokens and $8.000 per million output tokens (blended $3.800/M), with a 127,000-token context window.
INPUT
$2.000/M
per million input tokens
OUTPUT
$8.000/M
per million output tokens
CONTEXT
127,000
tokens
What it is good at
- Web-grounded reasoning
- Visible thinking
- Citations included
Typical use cases
- Multi-step research
- Fact-grounded analysis
- Citation-heavy reports
Benchmarks
vs. best public score
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources, treat as directional rather than authoritative.
More from Perplexity
See all 6 →Frequently asked questions
How much does Sonar Reasoning Pro cost?
Sonar Reasoning Pro costs $2.000 per million input tokens and $8.000 per million output tokens, for a blended reference rate of $3.800 per million tokens.
What is Sonar Reasoning Pro's context window?
Sonar Reasoning Pro supports up to 127,000 tokens of context in a single request.
What is Sonar Reasoning Pro best for?
Sonar Reasoning Pro is well suited to Web-grounded reasoning, Visible thinking and Citations included.
Who makes Sonar Reasoning Pro?
Sonar Reasoning Pro is developed and served by Perplexity.