npm install @ai-sdk/openai

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

export const llmRouter = createOpenAI({
  baseURL: "https://api.llmrouter.app/v1",
  apiKey: process.env.LLM_ROUTER_API_KEY!,
  name: "llm-router",
});

import { streamText } from "ai";
import { llmRouter } from "@/lib/llm-router";

export async function POST(req: Request) {
  const { messages } = await req.json();

  const result = streamText({
    model: llmRouter("anthropic/claude-opus-4.6"),
    messages,
    providerOptions: {
      // Pass LLM Router specific features here
      openai: {
        gateway: {
          // Smart Skill Injection
          skills: {
            skillIds: ["sk_company-style", "sk_stripe-integration"],
            enableAutoSearch: true,
          },
          // Zero Data Retention
          zdr: true,
          // Context Optimization
          chatHistoryCompression: {
            enabled: true,
            score: 0.65,
          },
        },
      },
    },
  });

  return result.toDataStreamResponse();
}

import { useChat } from "ai/react";
import { llmRouter } from "@/lib/llm-router";

export default function Chat() {
  const { messages, input, handleInputChange, handleSubmit } = useChat({
    api: "/api/chat",
    model: llmRouter("anthropic/claude-sonnet-4.6"),
  });

  // ... rest of your component
}