Directory · Voice
Vapi
Developer platform for building voice AI phone agents, orchestrating speech-to-text, LLMs, and text-to-speech with telephony integrations.
Best for
Developers assembling and deploying AI phone agents quickly
More voice tools
Bland AI
Voice · Bland AI · United States
API platform for AI phone calling that lets enterprises build agents to make and receive large volumes of phone calls.
Best for
Enterprise-scale automated phone calls with programmable agents
Cartesia
Voice · Cartesia · United States
Real-time voice AI company behind the Sonic models, offering low-latency text-to-speech and voice cloning APIs for voice agents.
Best for
Ultra-low-latency TTS for real-time voice applications
Murf AI
Voice · Murf AI · United States
Text-to-speech studio for generating voiceovers with AI voices, voice cloning, and dubbing tools aimed at e-learning and marketing content.
Best for
Studio-style AI voiceovers for training videos and marketing