Neuralink vs Karius
Side-by-side comparison of AI visibility scores, market position, and capabilities
Pioneer of implantable BCIs with 12+ active human patients as of Sep 2025; raised $650M Series E in Apr 2026 led by ARK Invest and Sequoia at a ~$14.9B valuation; mass production underway.
About
Neuralink is a neurotechnology company founded in 2016 by Elon Musk and a team of neuroscientists and engineers, developing implantable brain-computer interface devices that enable individuals with paralysis to control digital devices directly with their thoughts. The company's first commercial product, the N1 implant, is a coin-sized device containing 1,024 electrodes that is surgically placed in the motor cortex. As of September 2025, twelve patients worldwide had received the N1 implant and were actively using it to control computers, smartphones, and robotic arms with neural signals alone.
Karius raised $409M total including a $100M Series C in May 2024; its genomic blood test detects 1,000+ pathogens at 400+ U.S. hospitals; launched Karius Focus BAL for pneumonia in April 2025.
About
Karius is a Redwood City, CA-based life sciences company founded in 2014 that developed the Karius Test — a single blood draw that uses next-generation sequencing and AI to detect over 1,000 pathogens (bacteria, fungi, viruses, parasites) in seriously ill patients. The test is used when conventional cultures and targeted diagnostics fail, providing clinicians at transplant centers, children''s hospitals, and ICUs with a comprehensive pathogen report within 24 hours.
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