GPT-5.6 Luna API
About
Build advanced reasoning agents with GPT-5.6 Luna, 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 $6.00/1M output tokens, native tool calling support. Access GPT-5.6 Luna via the Azure Cognitive Services API with up to 128K output tokens.
Capabilities
Input Modalities
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Output Modalities
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Limits
Context Window
1.1M
Tokens
Input Limit
922K
Tokens
Max Output
128K
Tokens
Pricing
Standard (per 1M tokens)
Input
$1.00
Output
$6.00
Caching (per 1M tokens)
Read
$0.10
Write
$1.25
Frequently Asked Questions
GPT-5.6 Luna by Azure Cognitive Services costs $1.00 per 1M input tokens and $6.00 per 1M output tokens. Cached reads cost $0.10 per 1M tokens. Cache writes cost $1.25 per 1M tokens.
Model Details
ID
gpt-5.6-luna
Provider
Azure Cognitive ServicesFamily
gpt-luna
Release Date
Jul 9, 2026
Knowledge Cutoff
Feb 16, 2026
API Integration
NPM Package
@ai-sdk/azure
Environment Variables
AZURE_COGNITIVE_SERVICES_RESOURCE_NAME
AZURE_COGNITIVE_SERVICES_API_KEY