OpenAI

GPT-5

openai/gpt-5

Try in Playground

Frontier multimodal model with advanced reasoning.

Context window

400Ktokens

Input price

$5.00/ 1M tokens

Output price

$15.00/ 1M tokens

P50 latency

480ms

Quick start

import OpenAI from "openai";

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

const resp = await client.chat.completions.create({
  model: "openai/gpt-5",
  messages: [{ role: "user", content: "Hello!" }],
});

Capabilities

textvisioncode

Throughput: 78 tok/s · Released 2026-01