OpenAI Codex

export PLANCK_API_KEY=<your-planck-api-key>

# If you set model_provider in config.toml
codex "What files are in the current directory?"

# Or specify the provider explicitly
codex -c model_provider="planck" "What files are in the current directory?"

npm install @openai/codex-sdk

import { Codex } from "@openai/codex-sdk";

const codex = new Codex({
  baseUrl: "https://api.inquantum.ai/v1",
  apiKey: process.env.PLANCK_API_KEY,
});

const thread = codex.startThread({
  model: "gpt-5" // 100+ models supported
});
const turn = await thread.run("What files are in the current directory?");

console.log(turn.finalResponse);
console.log(turn.items);