OpenRouter

npm install @yourgpt/copilot-sdk @yourgpt/llm-sdk openai

OPENROUTER_API_KEY=sk-or-...

import { streamText } from '@yourgpt/llm-sdk';
import { openrouter } from '@yourgpt/llm-sdk/openrouter';

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

  const result = await streamText({
    model: openrouter('anthropic/claude-3.5-sonnet'),
    system: 'You are a helpful assistant.',
    messages,
  });

  return result.toTextStreamResponse();
}

import { generateText } from '@yourgpt/llm-sdk';
import { openrouter } from '@yourgpt/llm-sdk/openrouter';

const result = await generateText({
  model: openrouter('openai/gpt-4o'),
  prompt: 'Summarize the latest AI research.',
});

console.log(result.text);

// OpenAI
openrouter('openai/gpt-4o')
openrouter('openai/gpt-4o-mini')
openrouter('openai/o3-mini')

// Anthropic
openrouter('anthropic/claude-3.5-sonnet')
openrouter('anthropic/claude-3.5-haiku')
openrouter('anthropic/claude-3-opus')

// Google
openrouter('google/gemini-2.0-flash-001')
openrouter('google/gemini-2.0-pro-exp-02-05')

// Meta Llama
openrouter('meta-llama/llama-3.1-405b-instruct')
openrouter('meta-llama/llama-3.1-70b-instruct')

// Mistral
openrouter('mistralai/mistral-large')
openrouter('mistralai/mixtral-8x22b-instruct')

// DeepSeek
openrouter('deepseek/deepseek-chat')
openrouter('deepseek/deepseek-r1')

// Auto routing — OpenRouter picks the best model
openrouter('openrouter/auto')

import { openrouter } from '@yourgpt/llm-sdk/openrouter';

// With site attribution (improves model availability)
const model = openrouter('anthropic/claude-3.5-sonnet', {
  apiKey: 'sk-or-...',
  siteUrl: 'https://myapp.com',
  appName: 'My App',
});

// Provider preferences — control which underlying providers are used
const model = openrouter('openai/gpt-4o', {
  providerPreferences: {
    allow: ['openai'],        // Only use OpenAI directly
    order: 'latency',         // 'price' | 'latency' | 'throughput'
  },
});

import { fetchOpenRouterModels, searchOpenRouterModels } from '@yourgpt/llm-sdk/openrouter';

// Get all 500+ models
const models = await fetchOpenRouterModels();

// Search by name or provider
const claudeModels = await searchOpenRouterModels('claude');
const gptModels = await searchOpenRouterModels('gpt-4');

import { generateText, tool } from '@yourgpt/llm-sdk';
import { openrouter } from '@yourgpt/llm-sdk/openrouter';
import { z } from 'zod';

const result = await generateText({
  model: openrouter('openai/gpt-4o'),
  prompt: 'What is the weather in Paris?',
  tools: {
    getWeather: tool({
      description: 'Get weather for a city',
      parameters: z.object({ city: z.string() }),
      execute: async ({ city }) => ({ temperature: 18, condition: 'cloudy' }),
    }),
  },
  maxSteps: 5,
});

'use client';

import { CopilotProvider } from '@yourgpt/copilot-sdk/react';

export function Providers({ children }: { children: React.ReactNode }) {
  return (
    <CopilotProvider runtimeUrl="/api/chat">
      {children}
    </CopilotProvider>
  );
}