OpenAI has rolled out significant upgrades to its Responses API, introducing Model Context Protocol (MCP) support alongside enhanced tools for image generation, code interpretation, and file search. These improvements aim to simplify AI agent development and expand functionality for developers.

MCP Support: A Game-Changer for AI Integration

The addition of MCP (Model Context Protocol) enables seamless connection between AI models and external services. Developers can now integrate platforms like Shopify or Twilio with just a few lines of code—9 lines for Shopify and 13 for Twilio. This protocol standardizes tool integration, reducing complexity and accelerating development cycles.

Advanced Image Generation Capabilities

The API now incorporates gpt-image-1, OpenAI’s latest image generation model. Key features include:

• Real-time previews during image creation.
• Multi-round editing, allowing iterative refinements.

Built on the GPT-4o framework, this tool has already demonstrated its versatility—previously fueling trends like the "Studio Ghibli" anime style.

Upgraded Code Interpreter and File Search

The Code Interpreter now handles complex data analysis, advanced math problems, and even image manipulation through code. Meanwhile, the improved file search tool efficiently retrieves information across multiple documents, benefiting sectors like market research and education.

Pricing and Availability

OpenAI maintains transparent pricing:

• Code Interpreter: $0.03 per session.
• File search: $2.50 per 1,000 calls (first GB storage free).
• Image generation: Starts at $0.011 per image.

All features launched on May 21, 2025, with detailed documentation available on OpenAI’s platform.

Key Points

1. MCP support reduces integration effort for external services like Shopify and Twilio.
2. Real-time previews and multi-round editing enhance image generation workflows.
3. Code Interpreter now supports data analysis and image processing via code.
4. File search improvements enable faster, more accurate information retrieval.
5. Transparent pricing ensures predictable costs for developers.