> ## Documentation Index
> Fetch the complete documentation index at: https://www.vibecodeapp.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# OpenAI GPT-5.6 Luna

> Fast, low-cost GPT-5.6 model

OpenAI GPT-5.6 Luna is the fastest and cheapest member of the GPT-5.6 family, optimized for high-volume workloads.

It is great for chat, classification, and content generation when you want quick responses at a low cost.

## Best For

* High-volume chat
* Classification
* Short content generation
* Quick replies

## Features

* Fast responses
* Low cost
* Good for high-volume use
* Simple setup

## Ask Vibecode

Tell the AI:

> "Add GPT-5.6 Luna to my app for fast, low-cost AI replies."

The AI will set up the integration automatically.

## Choose This If

Choose GPT-5.6 Luna when speed and cost matter most. For the newer fast model, see [OpenAI GPT-6 Luna](/docs/integrations/openai-gpt-6-luna). For better quality, use [OpenAI GPT-5.6 Terra](/docs/integrations/openai-gpt-5-6-terra).

<CardGroup cols={2}>
  <Card title="Browse All Integrations" icon="grid-2" href="/docs/integrations/index">
    See the full integrations catalog
  </Card>

  <Card title="OpenAI GPT-6 Luna" icon="message-bot" href="/docs/integrations/openai-gpt-6-luna">
    Fastest GPT-6 model
  </Card>
</CardGroup>


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