OpenAI Provider

The OpenAI provider gives you access to GPT models through the Vercel AI SDK with automatic Echo billing integration.

Supported Models

All OpenAI models are supported via the OpenAIModel type:

Additional Features

Responses API Support

The OpenAI Responses API is fully supported through Echo's OpenAI provider.

  const result = streamText({
    model: openai.responses('gpt-4o'),
    messages: convertToModelMessages(messages),
  });

Image Generation with GPT-image-1

Echo also supports OpenAI's image generation capabilities through the GPT-image-1 model:

  const result = await generateImage({
    model: openai.image('gpt-image-1'),
    prompt,
  });

To instantiate openai.responses in these examples, see the following guides:

For React applications, see React SDK LLM Integration

For server-side usage, see Next.js SDK LLM Integration