Use both: Zapier for reliable SLA routing and deep integrations (ticketing, calendars, Slack) and ChatGPT to generate reply drafts for agents. Pipeline: Zapier ingests emails, applies SLA rules, creates/assigns tickets; then call ChatGPT to produce a draft saved on the ticket for human review and send. Keep humans in loop for final edits, audit logs, and escalation rules.

Compare Zapier’s integrations: Compare Zapier and Make