River
River deploys AI agents that actually run B2B product demos and attempt to close deals, not just qualify leads or route them to a calendar. The distinction matters: most AI sales tools stop at the SDR layer — they book the meeting and hand off to a human. River claims to go all the way through the demo and close, which is a meaningfully different bet. For a SaaS founder with a product-led motion but a sales-assisted tier, this could replace the first two rounds of a rep's work entirely. The obvious reservation is trust: buyers in complex B2B deals still expect a human at some point, and an AI fumbling a technical objection mid-demo could cost the deal. The fit is tightest where demos are repeatable and the deal size is mid-market or below, not enterprise where procurement wants a relationship. Worth watching closely to see if the close rate holds up in the wild. -> Best for: solo founder or SaaS team of 2-5 running demo-driven sales with repeatable pitches