Live annotation service for autonomous cars to detect the objects on the road with precise model perception. Live annotation service is available for images, videos and text to annotate the objects in the frame using the bounding boxes, semantic and other techniques to get the exact capturing of each object in interest. The live annotation service is available with flexible and scalable solution providing the flexible service to everyone looking to develop the AI-based models with faster delivery of training data sets available in the form of AI-backed services. Cogito provides frame-by-frame live annotation service with quality and accuracy making the image annotation service useful in every field across the globe.