If you're looking for another Inworld alternative, Replica is worth a look. It's a next-gen text-to-speech and speech-to-speech service with fully licensed AI models for commercial use. It's got a lot of features, including a broad Voice Library, Voice Director for quick voice overs, Voice Lab for creating your own voices, and support for many languages. Replica is designed for games that need immersive audio and characters with changing voices.
Another alternative is ElevenLabs, which offers high-quality, realistic voices in 29 languages and more than 120 voices. It's got tools for natural text-to-speech, voice cloning, fine tuning and dubbing studio tools, and it's good for games, audiobooks and chatbots. It's got a free tier and several paid tiers for different needs.
If you want more control, Resemble offers AI voice generation with options like fast voice cloning, speech-to-speech and multilingual support. It can be integrated with existing infrastructure with APIs and SDKs, so it's good for customer service, games and entertainment. It's also got several pricing tiers, including a pay-as-you-go option.
Last, LOVO is an AI voice generator and text-to-speech software with more than 500 voices in 100 languages. It's got tools like voice cloning, AI script writing and audio and video editing. It's got a free tier and several paid options, and it's good for businesses, content creators and educators who want to add high-quality voiceovers to their audio.