GPT-6 Luna

by OpenAI
openai/gpt-6-luna
30% off

GPT-6 Luna is a text and image-input model by OpenAI, available through the AgentSky API as openai/gpt-6-luna at $0.07 per million input tokens and $0.35 per million output tokens, with a 1.1M context window.

OpenAI's most efficient GPT-6 tier for focused, high-volume workloads.

Run GPT-6 Luna with an agent

Each guide pairs this model with a compatible agent and opens the composer with both selected.

Pricing

USD per million tokens, using your plan when signed in. Each request uses the tier matching its full input context, including cached input; output tokens do not choose the tier.
Input context (tokens)Cache modeThinkingInputOutputCache readCache write
Up to 272,000AutomaticStandardOfficial price: $0.1Sale price: $0.07Official price: $0.5Sale price: $0.35Official price: $0.01Sale price: $0.007Official price: $0.125Sale price: $0.0875
272,001–1,050,000AutomaticStandardOfficial price: $0.2Sale price: $0.14Official price: $0.75Sale price: $0.525Official price: $0.02Sale price: $0.014Official price: $0.25Sale price: $0.175

Every response carries its own cost. Balance and per-call records: /v1/credits and /v1/generation.

Use it

Point your client at the gateway and pass this model id. Nothing else changes.
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://gateway.agentsky.dev/v1",
  apiKey: process.env.AGENTSKY_API_KEY, // ast_…
});

const completion = await client.chat.completions.create({
  model: "openai/gpt-6-luna",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response

Questions