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Vercel AI Gateway

Sonar Reasoning API

Vercel AI Gateway
About

Build advanced reasoning agents with Sonar Reasoning, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $1.00/1M input and $5.00/1M output tokens. Access Sonar Reasoning via the Vercel AI Gateway API with up to 8K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
No
Tool Use
No
WeightsClosed
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
127K

Tokens

Input Limit
127K

Tokens

Max Output
8K

Tokens

Pricing

Standard (per 1M tokens)

Input
$1.00
Output
$5.00
Frequently Asked Questions

Sonar Reasoning by Vercel AI Gateway costs $1.00 per 1M input tokens and $5.00 per 1M output tokens.

Model Details
ID
perplexity/sonar-reasoning
Provider
Vercel AI Gateway
Family
sonar-reasoning
Release Date
Feb 19, 2025
Knowledge Cutoff
Sep 1, 2025
API Integration
NPM Package
@ai-sdk/gateway
Environment Variables
AI_GATEWAY_API_KEY
Documentation