Another top contender is Acoust, which uses large language models to generate super realistic AI voices with controllable emotions. The service has more than 200 voices in 30+ languages and a range of use cases including social content, training, audiobooks and IVR. Pricing tiers are flexible, including a free option, so you can use it for whatever you need.
If you're looking for a more focused voice cloning service, Respeecher has a lot to offer. In addition to real-time AI voice conversion, it also has a white-glove voice service. It's popular in creative fields like movies, TV shows and video games, where voice cloning can help reduce the time spent in recording studios.