Sonar Reasoning

Perplexity

Chain-of-thought search model

Text Generation API Latest Sonar Family
Back to Models
Parameters
-
params
Context Window
128K
tokens
Max Output
8K
tokens
Input Price
$5
per 1M tokens
Output Price
$5
per 1M tokens

Sonar Family 3 models

The full Sonar line by generation — pricing and capabilities vary across the family.

Sonar
Large
Deep research, fact-checking
$5 / $5
in / out · 1M
-
Small
Web search, research
$1 / $1
in / out · 1M
-
Reasoning Current Latest
Complex research with reasoning
$5 / $5
in / out · 1M
-

Capabilities

👁️
Vision
⚡
Function Calling
📋
JSON Mode
🌊
Streaming
💬
System Prompt
🖥️
Code Execution
🔍
Web Search
🔌
MCP Support

Details

Release Date
-
Knowledge Cutoff
August 1, 2024
Source
API
API Key Required
Yes
License
Proprietary
Model ID
perplexity-sonar-reasoning
Last updated: November 26, 2025