Zapier EngineeringBen Lyso16 min readintermediate
The 6 best conversational AI platforms in 2026
Summary
Zapier’s Ben Lyso reviews six conversational‑AI platforms (Fin, Voiceflow, Google Conversational Agents, Decagon, Kore.ai, Cognigy) on criteria like custom agent building, conversation quality, channel coverage, and integration depth, noting pros/cons, pricing, and deployment nuances.
- Fin offers fast deployment on existing help‑desk stacks with outcome‑based pricing but locks you into its proprietary models.
- Voiceflow provides a visual canvas, environment separation, and the ability to pick or bring your own LLM, at the cost of longer build times and undisclosed pricing.
- Google Conversational Agents (formerly Dialogflow) integrates tightly with Google Cloud IAM and billing, with per‑turn pricing and trial credits, but generative Playbooks can be pricey.
- Decagon focuses on post‑launch analytics (Duet) to refine agents, while Kore.ai targets regulated industries with its ABL language, and Cognigy emphasizes high‑volume voice gateway integration.
Choosing the right platform determines how quickly a support team can launch a reliable, context‑aware AI agent that reduces hand‑offs, respects compliance, and scales across chat, SMS, and voice channels.
5/10
