Perplexity
Perplexity
Reasoning

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
BLENDED 70/30
$3.800/M
unchanged since 3 May
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
MMLU88%
Multitask academic knowledge across 57 subjects.
Graduate-level science questions, "Google-proof".
MATH92%
High-school competition math problems.
Python function synthesis from docstrings.
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.

Terms used on this page