Best Voice Agents Tools

AssemblyAI

Unrated

Voice AI infrastructure providing production-grade APIs for speech-to-text, real-time transcription, and voice agents.

CallFluent

Unrated

AI platform that automates inbound and outbound phone calls with natural conversation mimicry, handles multiple languages, and manages customer interactions.

Cartesia AI

4.4 rating

Real-time streaming text-to-speech API with natural voices, laughter, and emotion support across 40+ languages for AI agents and interactive apps.

CloudTalk | AI Voice Agents

Unrated

Conversational AI phone system that automates inbound and outbound calls with human-like voice agents across 60+ languages.

Cols AI

Unrated

AI phone system for inbound and outbound calls with voice personalization, handling hundreds of conversations in parallel.

ElevenLabs

4.4 rating

AI voice platform offering text-to-speech, voice cloning, and conversational agents in 70+ languages with 10,000+ studio-quality voices.

Humanlike

Unrated

Voice AI platform automating customer interactions with human-like speech for scheduling, support, and transactions.

Loman

Unrated

AI phone agent that handles restaurant calls, takes orders, books reservations, and manages customer inquiries around the clock.

Millis AI

Unrated

Low-latency voice agent platform (600ms) for developers to build conversational AI handling complex dialogue dynamics.

Retell AI

Unrated

Voice AI platform for developers to build, test, and deploy conversational agents that sound human and follow complex instructions reliably.