Goal-oriented, self-improving AI agents purpose-built for B2B buying and selling will soon impact every interaction during the purchasing journey and postsale experience. AI agents for B2B marketing and sales broadly align to seven archetypes, each tailored to specific business contexts, audience needs, interaction scenarios, and training data and tooling requirements. This report describes the AI agent archetypes augmenting B2B marketing and sales teams now and in the future and includes considerations for leveraging and coordinating those agents for go-to-market (GTM) use cases.