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AnyAPI

Sonar Reasoning Pro API

AnyAPI
About

Build advanced reasoning agents with Sonar Reasoning Pro, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge. Access Sonar Reasoning Pro via the AnyAPI API with up to 4K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
No
Tool Use
No
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
128K

Tokens

Input Limit
128K

Tokens

Max Output
4K

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

Sonar Reasoning Pro by AnyAPI costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
perplexity/sonar-reasoning-pro
Provider
AnyAPI
Family
sonar-reasoning
Release Date
Jan 1, 2024
Knowledge Cutoff
Sep 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
ANYAPI_API_KEY
API Base URL
https://api.anyapi.ai/v1
Documentation