ElevenLabs offers high-quality, realistic voices in 29 languages and more than 120 voices, good for content creation, games, audiobooks and chatbots. It's got features like natural text to speech, voice cloning and fine tuning that can be controlled with a simple interface. It's free or offers several paid tiers depending on your needs and budget.
PlayHT is another option with a library of more than 600 ultra-realistic AI voices, covering many languages and accents. It's got options for custom pronunciation, voice inflection and real-time voice cloning, and is good for conversational chatbots, live streams and games. PlayHT also has a free version and extensive support documentation to help you get started.
Acoust uses large language models to create natural-sounding audio, with more than 200 voices in 30+ languages. Features include customizable controls, AI voice cloning and speech-to-text transcription. It's good for social content, training and e-learning, and has flexible pricing tiers for different needs.