A tech startup has just entered the Guinness Book of Records for creating the world smallest mini Personal Computer. Measuring just 142.0 mm (5.59 in) in length, 80.0 mm (3.15 in) in width and 25.3 mm (1 in) in height, this mini PC is said to be the same size of a smartphone.
Tiiny AI Inc, a US based startup, was officially awarded the record for developing the smallest mini PC (100B LLM Locally), named the Tiiny AI Pocket Lab, on December 2, 2025.
Tiiny AI Pocket Lab is also the first pocket-sized device in AI supercomputing. It can also run up to a 120 billion parameter large language model (LLM) completely on-device, without the need for cloud connectivity, servers or Graphics Processing Units (GPU). Among other features, the mini-PC runs in just 65W power envelope, making it largely energy-efficient, in comparison to traditional GPU-based systems.
The AI Pocket Lab is also credited for marking a major shift in AI computing, by creating an alternative model built on personal, portable, and fully private intelligence, at a time when cloud-based AI has been struggling with concerns related to sustainability, high energy costs, large scale outages, the high costs of long-context processing, and risks related to privacy.
Tiiny AI has described this problem saying that the most striking bottleneck in the AI ecosystem “is not computing power, it is dependence on the cloud”.
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