LexicostAI voice agents vendors
Developer platforms
Hosted, self-serve services that run the whole call: phone numbers, speech, the AI model and call control, usually priced per minute.
Bland AI“Bland automates the most regulated, complex calls end to end, on its own models and infrastructure, so you can handle more volume without adding headcount.”8 of 11 key facts publishedCartesia Managed Agents“The fastest, most customizable platform for building and shipping enterprise voice agents, powered by our models.”9 of 11 key facts publishedElevenLabs Agents (ElevenAgents)“Configure, deploy and monitor natural, human-sounding agents in 90+ languages with leading accuracy and ultra-low latency across voice, chat, and email.”10 of 11 key facts publishedRetell AI“Retell AI lets contact center teams build, test, and deploy AI phone agents that answer and place calls, qualify leads, book appointments, and transfer to a human when needed.”11 of 11 key facts publishedSmallest.ai Atoms“Atoms is a voice AI platform by Smallest AI. It lets you create, deploy, and manage AI-powered voice agents that can handle phone calls and web conversations.”9 of 11 key facts publishedTelnyx Voice AI Agents“Voice AI agents that pick up, keep up, and scale up.”8 of 11 key facts publishedUltravox“We're a research lab and product company dedicated to empowering real-time voice AI experiences.”9 of 11 key facts publishedVapi“Your agents, your rules. Build, deploy, and improve voice agents as fast as you ship.”10 of 11 key facts published
Framework hosting
Managed hosting for open-source voice agent frameworks, where you bring your own speech and AI model providers.
Enterprise contact centre
Sales-led products for large contact centres. Most quote prices only on request.
Components
The parts a per-minute cost is made of: speech-to-text, text-to-speech, realtime speech models, language models and phone carriers.