Missing Studio is an open-source AI platform designed to equip developers with the essential infrastructure to swiftly create and deploy generative AI applications for production. Prioritizing reliability, high performance, and user-friendliness, Missing Studio offers a Universal API, known as the AI Router, that consolidates multiple APIs from various LLM providers into one seamless interface. This Universal API enables effortless integration with top providers like OpenAI, Anthropic, and Cohere, featuring capabilities such as load balancing for efficient request distribution, automatic fallback to alternative models to enhance reliability, and exponential retries. Additionally, the Studio's 'Semantic Caching' feature reduces costs and latency. The Missing Studio AI gateway delivers comprehensive visibility, control, and insights into API usage, offering observability through request tracking, tracing, and usage monitoring. This helps optimize user interactions, request handling, and model performance. Missing Studio includes robust security measures like API key management, allowing easy renewal or revocation of credentials for improved access control. It also features a user-friendly playground for experimenting with LLMs, facilitating an easy understanding and decision-making process for production readiness.