Artificial intelligence startup Decart has unveiled Lucy 2.0, a real-time video transformation model. This system can modify live video at 1080p resolution and 30 frames per second with near-zero latency. Users can swap characters, place products, change outfits, or completely alter environments—all controlled via text prompts and reference images while the video continues to play.

According to Decart, Lucy 2.0 does not rely on depth maps or 3D models. Instead, the system's understanding of physics is derived entirely from patterns learned during video training. The company states that a new technique called "Intelligent History Enhancement" prevents image quality from degrading over time, enabling the model to run stably for hours.

The technology operates on AWS Trainium3 chips. A trial version is available at lucy.decart.ai.