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Sonar Pro

Sonar Pro is designed as the “workhorse” of Perplexity’s Sonar lineup. It inherits the R1-derived reasoning backbone, giving it the ability to follow complex instructions, explain reasoning steps, and generate structured outputs when needed. Compared to Sonar Large 32K, Pro is smaller and faster, which makes it more cost-efficient for continuous use while still capable of handling challenging reasoning tasks across research, coding, and multilingual content analysis.

Its context window is sized to cover typical enterprise and knowledge workflows, so it can process long articles, technical documentation, or multiple retrieved passages without truncation. Sonar Pro integrates tightly with Perplexity’s retrieval-augmented generation setup, ensuring responses are grounded in cited evidence rather than free-form hallucination. It also supports JSON and function-calling formats, making it easy to slot into pipelines and agent frameworks.

In practice, teams reach for Sonar Pro when they want a dependable balance of quality, speed, and cost for copilots, research assistants, analytics explainers, or repo-level code helpers, reserving Sonar Large for the heaviest reasoning tasks.
Text Gen 7
Released: February 14, 2025

Overview

Sonar Pro is Perplexity’s balanced reasoning model, sitting between the smaller Sonar options and the top-end Sonar Large. It’s tuned for strong multi-step reasoning, accurate retrieval grounding, and code assistance, with a practical context window for everyday copilots and research agents.

Pricing

Compare Sonar Pro with other models listed in the same vendor pricing tiers and context lengths.

Sonar API

Token pricing + per-request fee by search context size (Low/Medium/High per 1K requests). Sonar: $5/$8/$12 | Sonar Pro: $6/$10/$14 | Sonar Reasoning Pro: $6/$10/$14. Sonar Deep Research also charges +$2/1M citation tokens, +$3/1M reasoning tokens, +$5/1K search queries.

Model Input Cached input Output Unit
Sonar Perplexity
$1 - $1 per 1M tokens
Sonar Pro This model Perplexity
$3 - $15 per 1M tokens
Sonar Reasoning Pro Perplexity
$2 - $8 per 1M tokens

About Perplexity

Perplexity is a technology company that specializes in artificial intelligence and machine learning solutions.

Industry: Artificial Intelligence
Company Size: 247
Location: San Francisco, California, US
View Company Profile

Tools using Sonar Pro

Last updated: April 6, 2026
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