OpenAI: GPT-6 Luna

Name: GPT-6 Luna API
Brand: Openai

Newstable

GPT-6 Luna is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

gpt-6-lunagpt-6released Sep 22, 2026

Provider Quick start

Context

1.1M

tokens

Max output

128K

tokens

Input

$0.10

per 1M

Output

$0.50

per 1M

Activity

Daily period usage

Aggregated managed Everstack traffic. Buckets below 5 tenants or 100 requests are withheld.

Providers

ProviderContextInput /MOutput /M

Pricing

Item	Price	Unit
Input	$0.10	per 1M tokens
Output	$0.50	per 1M tokens
Cache read	$0.010	per 1M tokens
Cache write	$0.13	per 1M tokens

Performance

Reliability

Compare

Compare usage and performance

Place this model beside up to three other catalog models.

Capabilities

Modalities

Input

Output

Details

Model ID: gpt-6-luna
Family: gpt-6
Status: stable
Knowledge: May 18, 2026
Released: Sep 22, 2026

Gateway Config

API: 2024-01-01
Auth: OPENAI_API_KEY
Discovery: static
Provider type: static

Quick Start

index.ts

import Everstack from "@everstack/node";const client = new Everstack({  apiKey: process.env.EVERSTACK_API_KEY!,  baseUrl: "https://{instance}.{region}.everstack.ai",});const completion = await client.chat.completions.create({  model: "@openai/gpt-6-luna",  messages: [{ role: "user", content: "Explain vector cache routing." }],});console.log(completion.choices[0]?.message?.content);

Endpoint

Base URL

https://api.openai.com/v1

Chat completions

https://api.openai.com/v1/chat/completions

Model

gpt-6-luna

Auth env

OPENAI_API_KEY

GPT-6 Luna FAQ

How much does the GPT-6 Luna API cost?

Through OpenAI, GPT-6 Luna costs $0.10 per 1M input tokens and $0.50 per 1M output tokens.

What is the context window of GPT-6 Luna?

GPT-6 Luna accepts up to 1.1M tokens of context and returns up to 128K output tokens on OpenAI.

Which providers offer GPT-6 Luna?

GPT-6 Luna is available from OpenAI and OpenRouter. Everstack can route between them with automatic fallback when one is unavailable.

What can GPT-6 Luna do?

GPT-6 Luna supports chat, function calling, image input, reasoning, computer use and coding. It accepts text, image and PDF input.

How do I call GPT-6 Luna through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @openai/gpt-6-luna. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.