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Cortecs

Claude Sonnet 5 API

Cortecs
About

Build advanced reasoning agents with Claude Sonnet 5, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $2.20/1M input and $11.00/1M output tokens, native tool calling support. Access Claude Sonnet 5 via the Cortecs API with up to 1.0M output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Fixed
Attachment
Supported
Limits
Context Window
1.0M

Tokens

Input Limit
1.0M

Tokens

Max Output
1.0M

Tokens

Pricing

Standard (per 1M tokens)

Input
$2.20
Output
$11.00

Caching (per 1M tokens)

Read
$0.22
Write
$2.75
Frequently Asked Questions

Claude Sonnet 5 by Cortecs costs $2.20 per 1M input tokens and $11.00 per 1M output tokens. Cached reads cost $0.22 per 1M tokens. Cache writes cost $2.75 per 1M tokens.

Model Details
ID
claude-sonnet-5
Provider
Cortecs
Family
claude-sonnet
Release Date
Jun 30, 2026
Knowledge Cutoff
Jan 31, 2026
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
CORTECS_API_KEY
API Base URL
https://api.cortecs.ai/v1
Documentation