Vercel AI SDK

import { generateText } from "ai";
import { createOpenAI } from "@ai-sdk/openai";
import { createAnthropic } from "@ai-sdk/anthropic";

const naga = createOpenAI({
  baseURL: "https://api.naga.ac/v1",
  apiKey: process.env.NAGA_API_KEY,
});

// Responses API. store: false is required, see the warning below.
const { text } = await generateText({
  model: naga("openai/gpt-6.1-sol"),
  prompt: "Why do HTTP clients retry with backoff? One sentence.",
  providerOptions: { openai: { store: false } },
});
console.log(text);

// Messages
const claude = createAnthropic({ baseURL: "https://api.naga.ac/v1", apiKey: process.env.NAGA_API_KEY });
const message = await generateText({
  model: claude("anthropic/claude-sonnet-5.5"),
  prompt: "Why do HTTP clients retry with backoff? One sentence.",
});
console.log(message.text);