openaiVision

OpenAI: GPT-5.6 Luna Pro

GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Context
1M tokens
Input / 1M tokens
$1
Output / 1M tokens
$6
Benchmark

Pricing

Input tokens$1 per 1M tokens
Output tokens$6 per 1M tokens
Cache read$0.10 per 1M tokens
Cache write$1.25 per 1M tokens

Technical details

Model IDopenai/gpt-5.6-luna-pro
Context window1M tokens
Input modalitiesfile, image, text, pdf
Output modalitiestext
TokenizerGPT
Max output tokens128,000

Use with MegaBrain

import OpenAI from 'openai'

const client = new OpenAI({
  baseURL: 'https://getmegabrain.com/api/gateway/v1',
  apiKey: process.env.MEGABRAIN_API_KEY,
})

const response = await client.chat.completions.create({
  model: 'openai/gpt-5.6-luna-pro',
  messages: [{ role: 'user', content: 'Hello!' }],
})

Ready to use OpenAI: GPT-5.6 Luna Pro?

Get an API key and start making requests in minutes.

Get an API key