Claude Sonnet 5 API
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 $2.00/1M input and $10.00/1M output tokens, native tool calling support. Access Claude Sonnet 5 via the Azure Cognitive Services API with up to 128K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
128K
Tokens
Pricing
Standard (per 1M tokens)
Input
$2.00
Output
$10.00
Caching (per 1M tokens)
Read
$0.20
Write
$2.50
Frequently Asked Questions
Claude Sonnet 5 by Azure Cognitive Services costs $2.00 per 1M input tokens and $10.00 per 1M output tokens. Cached reads cost $0.20 per 1M tokens. Cache writes cost $2.50 per 1M tokens.
Model Details
ID
claude-sonnet-5
Provider
Azure Cognitive ServicesFamily
claude-sonnet
Release Date
Jun 30, 2026
Knowledge Cutoff
Jan 31, 2026
API Integration
NPM Package
@ai-sdk/azure
Environment Variables
AZURE_COGNITIVE_SERVICES_RESOURCE_NAME
AZURE_COGNITIVE_SERVICES_API_KEY