AI Application-Layer Startup Radar2026. 05. 28. 22:40:04AI Application-Layer Startup Radar — Week of May 21–28, 2026Five AI application-layer companies moved on funding this week: Cognition raised $1B at a $25B pre-money valuation, OpenRouter closed a $113M Series B at $1.3B, Triomics nabs $22M for oncology AI, Human Archive banks $8.2M for physical-AI training data, and Visa made an undisclosed investment in Replit. Founder backgrounds and capital sources for each.