Both tools are, at their core, the same product — Intercom's AI support agent, Fin — evaluated at different points in time and with different evidence pools. Fin by Intercom shows its strengths in ecosystem depth and developer infrastructure: a mature API, broad integrations, and an enormous resolved-conversation track record. Intercom Fin, the more recently scored version, reflects the company's post-rebrand maturity with a stronger compliance certification stack and better output reliability signals. The meaningful differences come down to trust posture and reliability. Intercom Fin carries ISO 27001, ISO 27701, and ISO 27018 alongside SOC 2 and HIPAA — that's a credentials list that clears vendor security reviews in regulated industries. It also scores higher on output reliability, suggesting fewer hallucination-related edge cases reaching end users. If you're a mid-market SaaS team already inside the Intercom ecosystem and want maximum integration flexibility today, Fin by Intercom's deeper documented developer tooling works in your favor. If you're an enterprise buyer in a regulated sector or one where compliance documentation determines vendor selection, Intercom Fin's certification stack is the clear choice. Both carry the same pricing risk — the per-resolution model can surprise you at scale, so model your ticket volume before signing.