claude-sonnet-4-6 API
About
Build advanced reasoning agents with claude-sonnet-4-6, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $3.00/1M input and $15.00/1M output tokens, native tool calling support. Access claude-sonnet-4-6 via the 302.AI API with up to 64K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
64K
Tokens
Pricing
Standard (per 1M tokens)
Input
$3.00
Output
$15.00
Frequently Asked Questions
claude-sonnet-4-6 by 302.AI costs $3.00 per 1M input tokens and $15.00 per 1M output tokens.
Model Details
ID
claude-sonnet-4-6
Provider
302.AIFamily
claude-sonnet
Release Date
Feb 18, 2026
Knowledge Cutoff
Aug 31, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
302AI_API_KEY
API Base URL
https://api.302.ai/v1