Retell AI is a voice AI platform offering usage-based pricing at $0.07 per minute without mandatory base subscriptions. It provides flexible configuration of voice engines, LLM models, and telephony components.

Retell AI starts at $0 per month with pay-per-minute usage. The Conversation Voice Engine ranges from $0.07-$0.08/min with LLM Agent Costs starting at $0.006/min. For GPT-4.1 with Cartesia voices, the all-in rate is approximately $0.11/min. Every account includes 20 concurrent calls free with additional capacity at $8/month each. Enterprise plans can reduce costs to $0.05/min.
Voice AI platform with flexible per-minute pricing
Starting Price
Better Sales Made Simple
Kixie is an AI-powered calling and texting platform that combines power dialing, multi-line auto dialing, and CRM integration to boost sales team productivity.
AI-powered omnichannel contact center platform
Founded
G2 Rating
Starting Price
Talkdesk is an enterprise cloud contact center platform offering omnichannel customer engagement with predictive and power dialing, workforce management, and AI-powered automation. It serves organizations across multiple industries.
VoIP business phone service
Phone.com is an affordable and modern business phone system that includes more than 50 features typically included with enterprise phone systems at a fraction of the cost. The service provides 24x7 live customer support via telephone or chat.