If you're looking for a Text-to-Speech API that can create natural-sounding voices for your video game characters, PlayHT is a great option. It has more than 600 ultra-realistic AI voices in many languages and accents, with options for custom pronunciations, voice inflections and real-time voice cloning. The service is geared for a variety of uses, including gaming, and offers API access for easy integration.
Another good option is Resemble, which lets you clone voices with text-to-speech and speech-to-speech abilities. It offers hyper-realistic AI voices, multilingual support and a real-time WebSockets API, which makes it good for gaming and other immersive experiences. The service offers flexible pricing options and easy integration with several APIs and programming languages.
If you're looking for something more sophisticated, check out Replica. The service offers a large Voice Library of voices, a Voice Director for quick voice overs and a Voice Lab for creating your own voices. Replica is geared for gaming, animation and movies, and offers immersive gameplay and quick voice creation, with prices starting at $4 per month and a free version available.
ElevenLabs also offers high-quality, realistic voices in 29 languages and more than 120 voices. With the ability to fine-tune voices, clone voices and generate long-form voices, it's good for content creation, gaming and audiobooks. The service offers a free plan with 10,000 characters per month and several paid plans starting at $5 per month, so it's accessible to a broad range of customers.