What Is the Best Expressive AI TTS for Voice Acting? (Running Locally) The gap between “this sounds robotic” and “I can’t tell that’s AI” has essentially closed in the last 12 months — and the best expressive local AI TTS options are now genuinely competitive with paid cloud services for voice acting work. If you’ve been hunting for the best local TTS that won’t cost you $0.015 per character and won’t phone home with your script, this guide is for you. We ran every serious contender through the same test battery: emotional range, prosody control, voice cloning quality, and raw speed on consumer hardware. ...