Tool Retell AI Platform for building AI phone agents (receptionists, support, outbound calls) with low latency. Free tierNo Starting price$0.07/min PricingPay-as-you-go $0.07-$0.31/min depending on voice/LLM/telephony. $10 one-time free credit. Updated17 Oct 2026 Open tool voice-agenttelephonyphone Picked for Which AI tool should I use to build a voice AI phone agent? Rank 1 Sources retellai.com — pricing docs.retellai.com — billing Get the weekly note Weekly noteJob ticket Company website A job the note should cover Email for the weekly note Send the weekly note Free weekly email: what shipped, and what is worth switching to. The job you type is demand research so we know what to cover first. No account. Unsubscribe any time by emailing privacy@jobtotool.com. Weekly note You're on the list.