News18/05/2026
Stainless joins Anthropic and begins hosted-product wind-down
Andreessen Horowitz →Stainless, an a16z-listed portfolio issuer, announced that its team was joining Anthropic to work on developer experience and connections between agents and external systems. It said hosted products would wind down and new signups, projects, and SDKs would stop. This does not establish investor-specific full exit or proceeds.