Exa, a modern AI search engine, has partnered with OpenRouter to integrate real-time web data for over 400 language models, addressing the demand for live web-connected AI solutions. OpenRouter, a widely-used open routing layer, allows developers to switch between various AI models with a unified interface, maintaining consistent authentication, rate limits, and billing. The collaboration with Exa involved meeting specific requirements, such as high search relevancy, a unified interface, no additional infrastructure, and predictable costs, all achieved in under a month. Exa's solution provides accurate, clean data outputs suitable for large language models, supporting high query per second rates and low latency. The integration has enabled OpenRouter to handle over 2.36 million queries, enhancing the capabilities of AI models by providing grounded answers with web citations, thereby enabling a broader range of applications and maintaining a seamless developer experience.