Millis AI
Overview
An AI-powered platform for building advanced voice agents with ultra-low 600ms latency, enabling seamless and natural conversational experiences.
Millis AI is a cutting-edge platform that empowers developers and non-technical users to create and deploy advanced voice agents with unprecedented 600ms latency. Designed to deliver seamless, human-like interactions, Millis AI supports integration with Large Language Models (LLMs) such as OpenAI's GPT-4o and open-source models like Mistral and Llama. The platform offers no-code/low-code tools, allowing users to build voice applications in minutes, connect phone numbers for inbound and outbound calls in over 100 countries, and integrate with various services through webhooks. With affordable pricing starting at $0.02 per minute, Millis AI makes advanced voice AI accessible for applications ranging from customer support to virtual assistants.
Product overview
Capabilities, pricing and fit
Millis AI is a hosted no-code and low-code platform for building low-latency voice agents. It orchestrates speech recognition, language models, text-to-speech, tools, phone numbers, and WebRTC delivery across phone, web, mobile, desktop, and connected devices; it is a voice-agent platform rather than one predefined assistant.
Information as of August 30, 2026
What it can do
- Configurable real-time voice pipeline
Agents combine prompts, languages, interruption handling, speech recognition, selectable or custom LLMs, natural voices, and webhook tools for spoken workflows.[2], [3]
- Telephony deployment
Millis can attach agents to inbound or outbound phone numbers and import supported Twilio, Vonage, Plivo, or Exotel numbers.[1], [6]
- Embedded voice delivery
SDKs, widgets, and WebRTC endpoints support voice agents inside web, mobile, desktop, conferencing, VoIP, and device experiences.[1], [5]
Where it fits best
Pricing and availability
Millis charges a $0.02 per-minute base platform fee plus separate LLM, TTS, and STT charges. The checked pricing page lists STT at $0.0043 per human-speaking minute and provider-specific voice and model rates that vary with usage.[4]
Platforms: Web dashboard, API and SDKs, Phone calls, Web and mobile apps, Desktop apps, WebRTC systems[1], [5], [6]
Access: Millis-hosted voice platform, Embedded in customer applications and telephony[1], [5], [6]
Important considerations
- The $0.02 per minute base fee is only the Millis platform charge; LLM, speech-to-text, text-to-speech, telephony, and optional provider costs are additional.[4]
- Latency and conversation quality depend on the chosen LLM, voice, transcription provider, network path, and external tools rather than on Millis alone.[2], [3]
- Phone and WebRTC deployments require provider credentials, agent IDs, authentication keys, and compatible telephony or media infrastructure.[5], [6]
Sources (6)
- Millis AI Voice Agent PlatformOfficial site · checked 2026-08-30
- Millis AI IntroductionDocumentation · checked 2026-08-30
- Millis AI AgentDocumentation · checked 2026-08-30
- Millis AI Pricing OverviewPricing page · checked 2026-08-30
- Millis AI WebRTCDocumentation · checked 2026-08-30
- Import phone numberDocumentation · checked 2026-08-30
Autonomy level
84/100
Our subjective rating of how independently the product carries out its documented tasks, considering the human setup, input, approval and review it needs. This is not a measured success rate.
Comparisons
Custom Comparisons
Some of the use cases of Millis AI:
- Developing low-latency voice agents for seamless conversational experiences.
- Automating customer support with AI-driven voice interactions.
- Creating virtual assistants capable of handling complex tasks.
- Integrating voice agents with existing CRMs, calendars, and other APIs.
- Deploying voice-enabled devices and applications across various platforms.
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Popularity level: 68%
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