Perplexity has launched Portable Computer, a local version of its AI agent platform designed to run on user-owned hardware, starting with Nvidia's DGX Spark and Linux machines with RTX GPUs. This initiative aims to shift significant AI agent workloads from the cloud to local devices, allowing user data and work to remain private. The application replicates the full agent harness and inference capabilities seen in the cloud version, offering a streamlined experience for tasks like document review and data analysis. For Nvidia, this launch signifies a strategic bet on the growing practicality of local AI and the hardware required to power it. Portable Computer packages the entire local AI stack, including models and tools, into a single, user-friendly application. This integration eliminates the need for users to manually assemble and configure complex local AI systems. Demonstrations showcased its ability to handle sensitive financial documents locally without cloud reliance, with billing credits showing zero usage. The platform also supports hybrid operations, allowing local analysis to be pushed to cloud services like Slack. Perplexity emphasizes that co-designing the model and agent harness is crucial for efficient local AI, as smaller models struggle with general-purpose frameworks. This product aims to simplify the process of running sophisticated AI agents locally, appealing to both individual users and enterprises seeking greater control and privacy.