ThunderPhone
Production AI phone agents for inbound and outbound calls
Build and deploy voice agents that handle real phone calls, not just demos. ThunderPhone combines a no-code platform, API access, and telephony integrations for support, scheduling, outreach, and other call workflows.
Agenticness = how independently a tool can take action, scored across 9 dimensions. Scored independently by David Kooi, Skylark Creations — see full rubric → Last re-evaluated 2 September 2026.
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About
ThunderPhone is a voice AI platform for building phone agents that can place and receive calls over real telephony. It is aimed at teams that want to automate inbound and outbound calls, including support desks, front desk workflows, scheduling, reminders, and pre-sales intake.
ThunderPhone is positioned more like a production calling stack than a generic chatbot. The site emphasizes call accuracy, language handling, transfer behavior, live supervision, and grounding responses in your documents. That makes it a better fit...
Proposes and executes multi-step plans with your approval.
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- Usage-based: Public pricing starts from 2¢ per minute. The site says surcharges apply for long prompts, added intelligence, and premium voices.
When ThunderPhone changes its pricing, we catch it the next morning
We recrawl every tool in this directory daily. AI Insider is the 3-minute brief on what actually changed — pricing, features, score moves on our 36-point rubric — often before any press coverage. Sent daily. Skipped when nothing happened.