PlayHT
Text-to-speech API with instant voice cloning from a 3-second audio sample. Supports 900+ voices, 142 languages, and real-time streaming. Popular for content creation and audiobooks.
ElevenLabs
State-of-the-art TTS API with voice cloning, multilingual support, and low-latency streaming. Used in podcasts, audiobooks, conversational AI agents, and game NPCs.