Speech-to-text API for transcription.
Best for voice
Best AI tools for voice
Speech synthesis, transcription, and voice agents.
6 tools, alphabetical. This is a curated list, not a ranked benchmark.
Text-to-speech API for low-latency spoken audio.
Speech-to-text API for recorded audio and live streams.
Speech synthesis and voice cloning, plus tools for voice agents.
Character engine for games, including spoken dialogue.
API for voice agents that place and answer phone calls.