Features
Ingest entire websites and PDFs
Agentic retrieval with evidence and citations
Live trace showing agent's search and verification steps
Custom GPT chatbot from multiple data sources
Action workflows: capture contacts, trigger forms, summarize conversations
Human handoff for complex queries
Standard and advanced reasoning modes
Confidence-aware retrieval refinement loop
Unlimited agents on paid plans (fair use)
14-day free trial, no credit card required
Playground to inspect answers before deployment
Remove ChatFast branding on Elite plan
Priority email support with 24h SLA on Elite
100k+ indexed data sources (claimed)
99% answers with citations (claimed)
No-code visual workflow builder
Omnichannel deployment (web, phone, mobile)
Low-latency voice (500ms)
High throughput (300k messages/min)
Integrated prototyping and NLU modeling
Entry conditions for playbooks/workflows
Required variables for workflows
Organization-level usage breakdown
Voiceflow Core optimized model (May 2026)
Transcript filtering by workflow and tool