Gravitational waves have opened a new window into the Universe. Mergers of compact object like black holes and neutron star being detected routinely. The LIGO-Virgo-KAGRA (LVK) fourth observing run (O4) ended last year and reported over 250 compact binary mergers discovered in real time. The scale of gravitational-wave searches, inference, and alerts has increased significantly over the last observing runs. As of O4, discoveries are made every 2-3 days, with alerts being distributed in 30 seconds of merger time. This presents an incredible opportunity for multi-messenger astronomy with gravitational waves. In this talk, I will present an overview of the LVK alert infrastructure and describe the online analyses to go from data acquisition to searches and alerts. I will also talk about recent algorithm development using machine-learning and artificial intelligence for noise subtraction, search, and parameter estimation and present results of the first live binary black hole detections done by the LVK using artificial intelligence.

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