Sabi has unveiled the Sabi Cap, a groundbreaking brain-computer interface (BCI) that allows users to interact with computers using only their thoughts. This innovative device, resembling a standard beanie, incorporates between 70,000 to 100,000 custom biosensors designed to read brain signals through the scalp, effectively transforming internal speech into text at approximately 30 words per minute. Unlike traditional wearables, which rely on fewer sensors and can struggle to capture clear signals due to interference from skin and bone, Sabi’s approach significantly enhances accuracy by greatly increasing sensor quantity. Sabi’s efforts have drawn investment from notable firms, including Khosla Ventures, underlining its potential for widespread adoption in accessing technology non-invasively.

Sabi: Sabi is a California-based startup that emerged from stealth to develop non-invasive wearable brain-computer interfaces using high-density EEG sensors in a beanie-style cap. The company created a Brain Foundation Model trained on extensive neural data to decode internal speech into text and interpret intentions for computer control. Sabi released the Sabi Cap in this news, positioning it as a scalable alternative to surgical implants for mass BCI adoption.2641
Vinod Khosla: Vinod Khosla is the founder of Khosla Ventures, a prominent investor in transformative technologies such as AI and biotech innovations. He emphasized the potential of non-invasive BCIs like Sabi’s for enabling billions to interact with computers through thought. His investment and commentary underscore the shift toward wearable solutions in brain-computer interfaces.26
Rahul Chhabra: Rahul Chhabra is the CEO of Sabi, overseeing the creation of the most wearable brain-computer interface technology. He announced the Sabi Cap via social media, highlighting its use of custom biosensors and a foundation model for thought-based interactions. His leadership focuses on making brain-controlled computing accessible without invasive procedures.4142
Khosla Ventures: Khosla Ventures is a venture capital firm investing in early-stage deep tech companies in areas like AI, healthcare, and neurotechnology. It backed Sabi’s development of wearable BCIs as a lead investor alongside others. The firm supports non-invasive solutions to enable widespread daily use of brain-computer interfaces for computer access.166

Technology: Sabi overcomes limitations of traditional wearable EEG by deploying a vastly higher number of tiny custom sensors powered by ASICs.6
Product Launch: The Sabi Cap allows users to generate text from internal speech and issue commands like clicking purely by intention.27
Investor Support: Sabi received backing from Khosla Ventures, Accel, Initialized Capital, and Kevin Weil upon emerging from stealth.17