Karius vs Tempus
Side-by-side comparison of AI visibility scores, market position, and capabilities
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.
Publicly traded AI precision medicine company (Nasdaq: TEM); $1.27B revenue in 2025 (+83% YoY); $14B+ market cap; genomic profiling, algorithmic diagnostics, and clinical trial matching across oncology, neurology, and cardiology.
About
Tempus AI is a technology company applying artificial intelligence to advance precision medicine across oncology, neurology, psychiatry, and cardiology. Founded in 2015 by Eric Lefkofsky (co-founder of Groupon) and headquartered in Chicago, Illinois, Tempus built the world's largest library of clinical and molecular data and applies AI to help physicians make more personalized, data-driven treatment decisions. The company's core offerings include genomic profiling (sequencing tumor DNA to identify mutations and actionable targets), algorithmic diagnostic tests (AI-driven companion diagnostics for cancer treatment selection), clinical trial matching (connecting eligible patients to appropriate studies), and data licensing to pharmaceutical and biotech partners for drug discovery and clinical development.
AI Visibility Head-to-Head
Key Details
Also Compare
Track AI Visibility in Real Time
Monitor how your brand performs across ChatGPT, Gemini, Perplexity, Claude, and Grok daily.