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alt.freeweights.text / kitten-tts-nano-0.1
From: KittenML <huggingface.co/KittenML>Newsgroups: alt.freeweights.textSubject:

kitten-tts-nano-0.1

Date: 2026-11-15Commit: 7d99aaeSigned: 2DC28CC7B26A283B ✓

Text to speech model. Mlx and onnx weights, 23.9 MB in all. Published by KittenML under Apache-2.0.

text23.9MBkitten-tts-nano-0.1mlx onnxpermissive
FactsParamsnot statedSize23.9 MBFormatsmlx, onnxTasktext to speechLicenseApache-2.0From sourcepermissive
$ fw get KittenML/kitten-tts-nano-0.1
# manifest sha256 c92de55a9e8a… · 23.9 MB · 5 files
$ fw verify ./kitten-tts-nano-0.1 KittenML/kitten-tts-nano-0.1
From sourceHosted (signed)KittenML/kitten-tts-nano-0.1Last check: 2026-11-15 03:22 UTC
Run at homeGet help

Get help: custom fine-tune or private deploy. We review your setup before we quote.

Works with

Run12Convert3Scan1

Convert with

ONNXOptimumOlive

Scan with

ModelScan
OverviewModel cardFilesUse itLicenseProvenanceModel tree

Overview

Size
23.9 MB
Weights
23.8 MB (ONNX)
Parameters
not stated
Formats
mlx, onnx
Task
text to speech
License
Apache-2.0 (permissive)
Files
5, each with a sha256
Publisher
KittenML
Added
2026-11-15
Section
alt.freeweights.text
Lineage

Original release from the publisher.

Where these bytes come from
Publisher at the pinned commit→You

Sources are tried in order. A file counts only when its size and sha256 match the manifest. Sources are checked when you ask for them, not on a timer.

Sources
BadgeHostLast checkResult
From sourcehuggingface.co2026-11-15 03:22 UTCpassed

Model card

From the publisher at commit 7d99aae. Shown as plain text with links; images open at the publisher.

Kitten TTS 😻#

Kitten TTS is an open-source realistic text-to-speech model with just 15 million parameters, designed for lightweight deployment and high-quality voice synthesis.

Currently in developer preview

✨ Features#

  • Ultra-lightweight: Model size less than 25MB
  • CPU-optimized: Runs without GPU on any device
  • High-quality voices: Several premium voice options available
  • Fast inference: Optimized for real-time speech synthesis

🚀 Quick Start#

Installation#
pip install https://github.com/KittenML/KittenTTS/releases/download/0.1/kittentts-0.1.0-py3-none-any.whl

### Basic Usage 

from kittentts import KittenTTS
m = KittenTTS("KittenML/kitten-tts-nano-0.1")

audio = m.generate("This high quality TTS model works without a GPU")

# Save the audio
import soundfile as sf
sf.write('output.wav', audio, 24000)

💻 System Requirements#

Works literally everywhere

Checklist#

  • [x] Release a preview model
  • [ ] Release the fully trained model weights
  • [ ] Release mobile SDK
  • [ ] Release web version

Files

5 files · 23.9 MBWeights 23.8 MB (ONNX). Sizes and sha256 from the signed manifest.
Hide all 5 files with their sha256
FileSizesha256
.gitattributes1.52 KB11ad7efa24975ee4b0c3c3a38ed18737f0658a5f75a0a96787b576a78a023361
README.md1.14 KB22c60938cae850683667c006408bda65764a854a8445edd7b717e77e0736a39c
config.json177 B987312b7ca0b25dca88229a2002c891220d6cd5dcb8350107820c65dc4a62bb4
kitten_tts_nano_v0_1.onnx23.8 MB8818e8f06eb34bc9d17ba3987a9b513c5759e2f5f119b1242cfbb503d12bdc0a
voices.npz10.3 KBd1f3b3ce46c5fa79fa0019824bf572fea74f6a84c88b079cfecd700118d00b62
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
7d99aae468 pinned now2026-11-15 03:22 UTC5 files · 23.9 MB

Use it

$ fw get KittenML/kitten-tts-nano-0.1
# manifest sha256 c92de55a9e8a… · 23.9 MB · 5 files
$ fw verify ./kitten-tts-nano-0.1 KittenML/kitten-tts-nano-0.1
fw.pyChecks the signature and every sha256, tries each source in order, resumes.
$ python3 fw.py get https://freeweights.allternit.com/manifests/KittenML/kitten-tts-nano-0.1.json --dir ./kitten-tts-nano-0.1 $ python3 fw.py verify ./kitten-tts-nano-0.1 ./KittenML__kitten-tts-nano-0.1.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download KittenML/kitten-tts-nano-0.1 --revision 7d99aae46867223af52d5ea16d076d8839ce1a2e --local-dir ./kitten-tts-nano-0.1
MLXRun on Apple silicon with mlx-lm.
$ pip install mlx-lm $ HF_ENDPOINT=https://freeweights.allternit.com mlx_lm.generate --model KittenML/kitten-tts-nano-0.1 --prompt "Hello"
Run at home

License

Name
Apache License 2.0
Id
Apache-2.0
Class
Permissive
Redistribution
yes
Listing
Hosted (signed)
Decided
License as declared by the publisher. No person read it. 2026-11-15
Text in
README.md
Text sha256
22c60938cae850683667c006408bda65764a854a8445edd7b717e77e0736a39c
Terms gate
No extra terms beyond the license.

Read the license text

Licenses are checked against the license table. A custom license passes only after a person reads it.

Provenance

From: KittenML <huggingface.co/KittenML>Newsgroups: alt.freeweights.textSubject: kitten-tts-nano-0.1Date: 2026-11-15Commit: 7d99aaeSigned: 2DC28CC7B26A283B ✓
Upstream
KittenML/kitten-tts-nano-0.1
Pinned commit
7d99aae46867223af52d5ea16d076d8839ce1a2e
Manifest
kitten-tts-nano-0.1.json · .minisig
Manifest sha256
c92de55a9e8a0f7b58592302a5a739112045d73775ea70d6d66c18e7169135d0
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 03:22 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/KittenML/kitten-tts-nano-0.1.json $ curl -O https://freeweights.allternit.com/manifests/KittenML/kitten-tts-nano-0.1.json.minisig $ minisign -Vm kitten-tts-nano-0.1.json -P RWQ7KGqyx4zCLXtUFOqvfv8L3g+8fpKJ1FsuxPyOYMF+4KufbUxKq1Oq $ shasum -a 256 <file> # compare with the Files tab

A manifest whose signature fails must be rejected. A file whose size or sha256 does not match must be discarded. Verify a download

Model tree

1 model in the catalog name this one as their parent.

Quantizations
1
Quantizations 1
Get it
Download
$ HF_ENDPOINT=https://freeweights.allternit.com hf download KittenML/kitten-tts-nano-0.1
Open in Freeweights Studio

Pull, verify and run it in the Allternit app on Desktop, web or phone.

Signed manifest
minisign, key 2DC28CC7B26A283B. kitten-tts-nano-0.1.json. Provenance. Takedown history: none.
Source
huggingface.co/KittenML/kitten-tts-nano-0.1

Variants

1 quantized or adapter build of kitten-tts-nano-0.1. Each has its own license check and page.

SubjectSizeParamsLicenseDate
kitten-tts-nano-0.1-ONNXHosted (signed) From: onnx-community in alt.freeweights.text23.8 MB—Permissive2026-11-15

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