Perplexity
Perplexity
Reasoning

Sonar Reasoning

Reasoning

Cheaper reasoning Sonar. Web-grounded chain-of-thought at lower latency than Sonar Reasoning Pro.

Sonar Reasoning is a reasoning AI model from Perplexity. It costs $1.000 per million input tokens and $5.000 per million output tokens (blended $2.200/M), with a 127,000-token context window.

INPUT
$1.000/M
per million input tokens
OUTPUT
$5.000/M
per million output tokens
BLENDED 70/30
$2.200/M
unchanged since 3 May
CONTEXT
127,000
tokens
What it is good at
  • Web-grounded reasoning
  • Cheaper than Pro
  • Visible thinking
Typical use cases
  • Cost-sensitive research
  • Fact-grounded reasoning at scale

Benchmarks

vs. best public score
MMLU84%
Multitask academic knowledge across 57 subjects.
Graduate-level science questions, "Google-proof".
MATH84%
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.

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Frequently asked questions

How much does Sonar Reasoning cost?

Sonar Reasoning costs $1.000 per million input tokens and $5.000 per million output tokens, for a blended reference rate of $2.200 per million tokens.

What is Sonar Reasoning's context window?

Sonar Reasoning supports up to 127,000 tokens of context in a single request.

What is Sonar Reasoning best for?

Sonar Reasoning is well suited to Web-grounded reasoning, Cheaper than Pro and Visible thinking.

Who makes Sonar Reasoning?

Sonar Reasoning is developed and served by Perplexity.

Terms used on this page