OpenAI GPT-5.6 Luna API
About
Build advanced reasoning agents with OpenAI GPT-5.6 Luna, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.20/1M input and $1.20/1M output tokens, native tool calling support. Access OpenAI GPT-5.6 Luna via the DigitalOcean API with up to 128K output tokens.
Capabilities
Input Modalities
textimage
Output Modalities
text
Reasoning
Yes
Structured Output
Limits
Context Window
1.1M
Tokens
Input Limit
922K
Tokens
Max Output
128K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.20
Output
$1.20
Caching (per 1M tokens)
Read
$0.02
Frequently Asked Questions
OpenAI GPT-5.6 Luna by DigitalOcean costs $0.20 per 1M input tokens and $1.20 per 1M output tokens. Cached reads cost $0.02 per 1M tokens.
Model Details
ID
openai-gpt-5.6-luna
Provider
DigitalOceanFamily
gpt-luna
Release Date
Jul 9, 2026
Knowledge Cutoff
Feb 16, 2026
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
DIGITALOCEAN_ACCESS_TOKEN
API Base URL
https://inference.do-ai.run/v1