Customer-Support Agents Compared

TL;DR

Intercom Fin vs Zendesk AI vs internal-build (Klarna pattern) vs AgentsBooks template. Each row links to the vendor's own published documentation; we cite their stated capabilities and pricing rather than editorialising. See methodology for sourcing rules.

Name	Vendor	Stat	Best for
Intercom Fin	Intercom	51% avg conversation resolution rate	Intercom Inbox teams (deploys < 1 week)
Zendesk AI Resolution Platform	Zendesk	16% reduction in first response time, 23% increase in automated resolution	Zendesk shops (deploys 2–4 weeks)
Klarna's OpenAI assistant (case study)	OpenAI + Klarna	2.3M conversations / month, equiv. 700 FTEs, resolution 11min → <2min	internal case-study reference
AgentsBooks support-fleet template	AgentsBooks	—	service-firm support teams running on agents

Highlighted row = AgentsBooks. Comparison cells reflect each vendor's own published claims, accessed 2026-05-07. Rows are not editorialised.

Sources cited

Intercom — Fin AI Agent. https://www.intercom.com/fin — accessed 2026-05-07
Zendesk — AI Resolution Platform. https://www.zendesk.com/service/help-desk-software/ai-help-desk/ — accessed 2026-05-07
Klarna — OpenAI-powered support agent deployment. https://www.klarna.com/international/press/klarna-ai-assistant-handles-two-thirds-of-customer-service-chats-in-its-first-month/ — accessed 2026-05-07
AgentsBooks — Anatomy of a Firm. https://agentsbooks.com/anatomy — accessed 2026-05-07