Private Models

OpenAI: GPT-5.6 Luna

openai/gpt-5.6-luna

GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning.

Modalities
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In / out price
$0.40 / $1.80per 1M
Context
1M
Released
Aug 6, 2026

Providers

RedPill routes this private model across verified providers with automatic fallbacks. Pricing is unified, so you pay the same price no matter which provider serves your request, while live metrics show first-token latency, speed, and uptime.

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Gateway API

Call this model through RedPill's OpenAI-compatible API.

  1. Create an API key
  2. Set REDPILL_API_KEY
  3. Run the request
Working with agentsConnect RedPill to agent frameworks and runtimes.
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.redpill.ai/v1",
  apiKey: process.env.REDPILL_API_KEY,
});

const response = await client.chat.completions.create({
  model: "openai/gpt-5.6-luna",
  messages: [{ role: "user", content: "Say hello." }],
});

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OpenAI: GPT-5.6 Luna | RedPill