Valthos builds AI software to detect biological threats and design medical countermeasures in real time. The company aggregates biological data — from air and wastewater monitoring to genomic sequences — runs it through frontier AI models to identify emerging threats, and then automatically generates or updates countermeasure designs before an outbreak can spread. The core insight: synthetic biology is democratizing pathogen creation faster than traditional defense tools can respond, so the only viable answer is software that operates at the speed of the threat. Customers are government agencies and life sciences organizations that need faster, more precise biodefense capabilities. Valthos is essentially building a "software stack for biodefense" — analogous to what Palantir did for data fusion in counterterrorism, but applied to the biological domain. The founding team comes from Palantir's life sciences division, Google DeepMind, Stanford's Arc Institute, and MIT's Broad Institute, giving it rare cross-disciplinary depth in both operational software and cutting-edge computational biology.