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Show HN: Kitten TTS – 25MB CPU-Only, Open-Source TTS Model

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Re: Show HN: Kitten TTS – 25MB CPU-Only, Open-Source TTS Model

#302

Earlier quoted context omitted.

The reddit video is awesome. I don't understand how people are calling it an OK model. Under 25MB and cpu only for this quality is amazing.

The people calling it "OK" probably tried it for themselves. Whatever model is being demoed in that video is not the same as the 25MB model they released.

It did say this was a preview release, so I'll reserve judgement until that's out the door.

Re: Show HN: Kitten TTS – 25MB CPU-Only, Open-Source TTS Model

#303
post #199

System Requirements Works literally everywhere Haha, on one of my machines my python version is too old, and the package/dependencies don't want to install. On another machie the python version is too new, and the package/dependencies don't want to install.

It doesn't work on Fedora because of the lack of g++ having the right version.

Not sure if they've fixed between then and now, but I just had it working locally on Fedora.

  > g++ --version
  g++ (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
  Copyright (C) 2025 Free Software Foundation, Inc.

Re: Show HN: Kitten TTS – 25MB CPU-Only, Open-Source TTS Model

#306

Earlier quoted context omitted.

Given that the FSF considers Apache-2.0 to be compatible with GPL-3.0 [0], how could the fact that phonemizer is GPL-3.0 possibly be an issue? [0]: https://www.gnu.org/licenses/license-list.html#apache2

Compatible means they can be linked together, BUT the result is GPL-3.

> the result is GPL-3

The result can only be distributed under the terms of the GPL-3. That's actually a crucial difference: there's nothing preventing Kitten TTS from being Apache licensed, soliciting technical contributions under that license, and parts of its code being re-used in other software under that license. Yes, for the time being, this limits what you can do with Kitten TTS if you want to use the software as a whole (e.g. by embedding it into your product), but the license itself is still Apache and that can have value.

Re: Show HN: Kitten TTS – 25MB CPU-Only, Open-Source TTS Model

#307

System Requirements Works literally everywhere Haha, on one of my machines my python version is too old, and the package/dependencies don't want to install. On another machie the python version is too new, and the package/dependencies don't want to install.

There are still people who use machine wide python installs instead of environments? Python dependency hell was already bad years ago, but today it's completely impractical to do it this way. Even on raspberries.

Using venv won't save you from having the wrong version of the actual Python interpreter installed.

Re: Show HN: Kitten TTS – 25MB CPU-Only, Open-Source TTS Model

#308
post #9

Reddit post with generated audio sample: https://www.reddit.com/r/LocalLLaMA/comments/1mhyzp7/kitten_...

And a quick video with all of the different voices: https://www.youtube.com/watch?v=60Dy3zKBGQg

thank you!
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