Nonprofit

Chan Zuckerberg Initiative

A science and education philanthropy pursuing AI-powered biology through its Biohub research institutes, aiming to cure, prevent, or manage disease.

Website
19 models(11 Imaging, 7 Single-cell, 1 DNA & Gene, 1 Language model)

Models (19)

scLDM

Chan Zuckerberg Initiative

Released November 4, 2025

758

Latent diffusion model for generating single-cell gene expression profiles, pairing a permutation-invariant autoencoder with a diffusion transformer.

Single-cell

scLDM.CD4

Chan Zuckerberg Initiative

Released November 4, 2025

1959

Single-cell latent diffusion model fine-tuned on 14.5 million CD4+ T cells to simulate transcriptomic effects of single-gene perturbations.

Single-cell

VariantFormer

Chan Zuckerberg Initiative / Chan Zuckerberg Biohub

Released November 2, 2025

232

Hierarchical transformer with 1.2 billion parameters that predicts personalized gene expression from diploid genomes for variant effect prediction.

DNA & Gene

MorphGen

Institute of Science and Technology Austria / Chan Zuckerberg Initiative

Released October 1, 2025

47

Diffusion model for multichannel fluorescent cell microscopy, generating morphologically plausible images aligned to OpenPhenom phenotypic embeddings.

ImagingSingle-cell

rBio

Chan Zuckerberg Initiative

Released August 18, 2025

16146

Reasoning language model post-trained on virtual cell simulations, answering questions about gene perturbations and their effects in natural language.

Language model

GREmLN

Chan Zuckerberg Initiative / Columbia University / Chan Zuckerberg Biohub

Released July 9, 2025

38

Single-cell transcriptomics foundation model that encodes gene regulatory network structure into self-attention through graph signal processing.

Single-cell

TranscriptFormer

Chan Zuckerberg Initiative

Released April 29, 2025

36156

Generative single-cell foundation model trained on 112 million cells from 12 species, autoregressively modeling gene identities and expression counts.

Single-cell

MonjuDetectHM

Chan Zuckerberg Initiative

Released February 1, 2025

112

Cryo-ET particle picking ensemble of three 3D segmentation models predicting particle-center heatmaps with ResNet50d and EfficientNetV2-M backbones.

Imaging

TopCUP

Chan Zuckerberg Initiative

Released February 1, 2025

3

Cryo-ET particle picking model, an ensemble of 3D U-Nets with EfficientNet encoders that finds protein complexes in tomograms by heatmap segmentation.

Imaging

BPD

Chan Zuckerberg Initiative

Released February 1, 2025

2

Cryo-ET particle picking model that localizes six protein complexes in tomograms using an ensemble of lightweight 3D U-Nets.

Imaging

Ensemble 3D UNet Soup

Chan Zuckerberg Initiative

Released February 1, 2025

5

Cryo-ET particle picking model that averages tiny, medium, and large 3D U-Nets pretrained on simulated tomograms and fine-tuned on experimental data.

Imaging

Octopi

Chan Zuckerberg Initiative

Released January 1, 2025

13

Cryo-ET particle picking model that localizes and classifies multiple protein complexes in a tomogram with a single 3D U-Net forward pass.

Imaging

CryoLens

Chan Zuckerberg Initiative

Released January 1, 2025

19

Variational autoencoder that learns interpretable representations of protein subtomograms from cryo-ET, trained on 5.8 million synthetic particles.

Imaging

SABER

Chan Zuckerberg Initiative

Released January 1, 2025

18

Cryo-ET segmentation framework adapting SAM2 to vesicles and membrane-bound compartments in tomograms and 2D micrographs, zero-shot or fine-tuned.

Imaging

SubCell

Chan Zuckerberg Initiative / Human Protein Atlas / Lundberg Lab

Released December 8, 2024

126

Vision transformers trained on Human Protein Atlas fluorescence microscopy for subcellular protein localization and cell morphology representation.

Imaging

scGenePT

Chan Zuckerberg Initiative

Released October 28, 2024

1331

Single-cell perturbation prediction model that adds gene-level language embeddings from NCBI, UniProt, and Gene Ontology to scGPT representations.

Single-cell

CELL-Diff

Chan Zuckerberg Initiative

Released October 18, 2024

7

Diffusion model translating in both directions between protein sequences and fluorescence microscopy images to predict subcellular localization.

Imaging

DynaCLR

Chan Zuckerberg Initiative

Released October 15, 2024

3102

Self-supervised contrastive model embedding cell and organelle dynamics from time-lapse microscopy for cell-state analysis without manual labels.

Imaging

scVI (CELLxGENE Census)

Chan Zuckerberg Initiative

Released July 1, 2024

2.4K1.7K

Variational autoencoder pretrained on 74 million human single-cell transcriptomes from the CELLxGENE Census for batch correction and cell typing.

Single-cell