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Sonar Reasoning Pro

Sonar Reasoning Pro combines the deepest web retrieval in the Sonar family with chain-of-thought reasoning to return well-sourced, structured answers within a context window of 127K tokens.

ReasoningWeb Search
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'perplexity/sonar-reasoning-pro',
prompt: 'Why is the sky blue?'
})

Providers

Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Release Date
Perplexity
Legal:Terms
Privacy
127K8K
2.8s
110tps
$2/M
$8/M
$6/K*
02/19/2025