ChatTTS vs AIVA

ChatTTS is an open-source text-to-speech model built for dialogue. The 2Noise team trained it on over 100,000 hours of Chinese and English speech so it sounds natural in back-and-forth conversation, not just scripted narration.

What sets it apart is prosody control at a granular level. The model can layer in laughter, pauses, and interjections, and it handles multiple speakers in a single session. That makes it a fit for LLM assistants, conversational audio, and dialogue-heavy multimedia.

Developers install it via pip or clone the GitHub repo. The open-source release on Hugging Face is a 40,000-hour base model under AGPLv3+. The team positions it for research and dialogue use cases, with contact at [email protected] for roadmap questions.

AIVA composes original music in more than 250 styles within seconds from your browser. You pick a genre or train a custom style model, then refine the result with MIDI or audio influences before exporting finished tracks. It works for first-time hobbyists and professional composers who need fast drafts.

Most AI music generators hand you a finished loop with fixed licensing terms. AIVA separates composition speed from copyright control: the free tier covers non-commercial projects with attribution, while the Pro plan transfers full ownership so you can monetize anywhere. Uploading your own MIDI or audio references and downloading WAV stems is built into the paid workflow, not bolted on as an upsell.

Filmmakers, game developers, and social creators use AIVA for background scores, trailers, and short-form video soundtracks. The Standard plan limits monetization to YouTube, Twitch, TikTok, and Instagram, which fits influencers who only publish on those platforms. Students and schools can request discounted access through the contact form.