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OpenAI · API

GPT-5.6 Luna API

Use 1M context with one OmniaKey API key.

Model ID
gpt-5.6-luna
Context
1M
Provider
OpenAI
Input · USD / 1M tokens
$0.018 USD
Official price $0.2 USD
Output · USD / 1M tokens
$0.108 USD
Official price $1.2 USD
Savings
91%
Last verified
2026-08-15

01

Where it fits

Choose Luna for frequent GPT-5.6 coding iterations where responsiveness and lower token cost lead the decision.

02

Model capabilities

Vision

Accepts visual input alongside text for multimodal coding and analysis tasks.

Tool use

Can select and call tools in agent workflows that support structured tool use.

Fast responses

Optimized for responsive iteration and higher-volume agent tasks.

03

OpenAI-compatible API

Keep your client and change the base URL, API key, and model ID.

curl
curl https://api.omniakey.com/v1/chat/completions \
  -H "Authorization: Bearer $OMNIAKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.6-luna",
    "messages": [{"role": "user", "content": "Explain this codebase"}],
    "stream": true
  }'

04

Compatible coding tools

Codex
Cursor
Cline
Aider

More OpenAI models

Frequently asked questions

How much does GPT-5.6 Luna cost on OmniaKey?

OmniaKey charges $0.018 USD per 1M input tokens and $0.108 USD per 1M output tokens, in USD. Official prices are $0.2 USD and $1.2 USD; you save 91%.

What is the context window for GPT-5.6 Luna?

The listed context window is 1M. Actual usable limits can also depend on the client and upstream request format.

Which coding tools work with GPT-5.6 Luna?

The current catalog lists compatibility with Codex, Cursor, Cline, Aider. Use the model ID shown on this page when the client supports model selection.

GPT-5.6 Luna API, Pricing & Coding Guide · OmniaKey