If you're looking for a Koe Recast alternative, Revocalize is definitely worth a look. It has an easy-to-use interface for creating hyper-realistic AI voices and a variety of creative voice profiles like rock, pop, country and more. It can handle unlimited voice choices, real-time auto-tune and professional voice modulation, so it's geared for sound engineers, producers and artists.
Another good option is ToneShift. It can convert voices, separate music and clone voices, which makes it good for creating your own custom vocal styles. You can fine-tune pitch and quality, upload audio files up to 25MB in size and 10 minutes in length. It's got a community platform to find and contribute voices, and its Sound Token-based pricing system lets you pick the tier that works best for you.
If you need the latest and greatest neural language models, Acoust offers super realistic AI voices in more than 200 voices and 30+ languages. It's got customizable controls and emotions, AI voice cloning and speech-to-text transcription. It's good for social content, audiobooks, explainer videos and other uses, and it's got flexible and transparent pricing.
Last, WellSaid Labs is a relatively easy-to-use service that turns text into high-quality voice content. It's got a range of AI voices with different tones and accents for digital products like commercials and eLearning materials. It's got flexible production options and scalable pricing, so it's good for content creators and companies that want to bring lifelike AI voices into their products.