Microbiotica vs Karius
Side-by-side comparison of AI visibility scores, market position, and capabilities
Microbiotica raised $105M Series C in 2025 for its gut microbiome platform linking bacterial strains to disease, enabling live biotherapeutic products for cancer immunotherapy and IBD.
About
Microbiotica applies genomics and machine learning to map the gut microbiome's causal role in disease, then develops live biotherapeutic products (LBPs) targeting the specific bacterial strains responsible. The company's Reference Microbiome database — built from thousands of patient samples — is the world's most comprehensive catalog of gut bacteria linked to disease outcomes, providing a systematic foundation for microbiome drug discovery.
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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