totalsegmentator-mlx

Segment 117 CT structures with TotalSegmentator v2 in native MLX. Includes standard, fast and coarse modes.

totalsegmentator-mlx example output

Fast-mode 3D surfaces and an axial slice from an autoPET CT.

Input	Output
3D CT · NIfTI	Multilabel mask on the input grid

Apple Silicon · Metal · Python 3.13 / 3.14 · uv

Quick start

uv venv --python 3.13
source .venv/bin/activate
uv pip install "totalsegmentator-mlx[conversion]"

Convert the TotalSegmentator v2 checkpoints once, then segment:

totalsegmentator-mlx convert --source-model-dir ~/.totalsegmentator/nnunet/results \
  --output-model-dir models --models organs vertebrae cardiac muscles ribs
totalsegmentator-mlx predict -i ct.nii.gz -o mask.nii.gz --model-dir models

Get the checkpoints from TotalSegmentator. Docs cover model folders, modes and cropping.

License

Apache-2.0. See third-party notices. Model weights retain their publisher terms.

For research and education. Outputs require human review.

Metadata

Release files for totalsegmentator-mlx 0.1.2

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Source distribution (sdist)

Source distribution for totalsegmentator-mlx 0.1.2
File	Size	Uploaded	Provenance	Actions
totalsegmentator_mlx-0.1.2.tar.gz	27.4 kB	Oct 28, 2026	Without provenance	Details for totalsegmentator_mlx-0.1.2.tar.gz

Built distribution (wheel)

Table of built distributions (wheels) for totalsegmentator-mlx 0.1.2
File	Interpreter	ABI	Platform	Actions Reset
totalsegmentator_mlx-0.1.2-py3-none-any.whl 34.8 kB Oct 28, 2026 Without provenance	Python 3	none	any	Details for totalsegmentator_mlx-0.1.2-py3-none-any.whl

Total release size: 62.2 kB

Release files / totalsegmentator_mlx-0.1.2.tar.gz

Download URL	totalsegmentator_mlx-0.1.2.tar.gz
Size	27.4 kB
Tags	Source
SHA-256 checksum How to use checksums	`61057b5d40bf51da32616117f2e9b21802c097b0f136c755f0b2f3e62eb349d8`
BLAKE2b-256 checksum How to use checksums	`bd8392192f8dce91e4219f7bd418fcd9887d492824c2431eaf2ed315ce4a9b50`
Upload date	Oct 28, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/7.0.0 CPython/3.13.5`

Release files / totalsegmentator_mlx-0.1.2-py3-none-any.whl

Download URL	totalsegmentator_mlx-0.1.2-py3-none-any.whl
Size	34.8 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`ef47ed2d20b5564e48a1f090646a0323cc5e9a88548614270bfc02501a3ee063`
BLAKE2b-256 checksum How to use checksums	`18ac5575c71182395a070c75984d0e305d3b2603b0698522360200ee769fc131`
Upload date	Oct 28, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/7.0.0 CPython/3.13.5`

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