Each harder task asks the model to cross a new boundary
New perturbation
Can the model predict a gene or treatment it did not see during training?
New donor or disease line
Does the prediction hold in a person or disease background kept entirely out of training?
New cell state or laboratory
Can the model transport across differentiation state, batch or an independent laboratory?
New combination
Can it predict interaction beyond the effects of the two single perturbations?
Current result. Only the first same-assay perturbation holdout has been executed. The harder donor, state, laboratory, disease and combination tasks are defined but have no result yet.
G0–G7
Leakage-safe externalization ladder
Level
Held-out unit
Current state
G0
Random-cell split in one context
No result yetDEBUG_ONLY_NOT_PRIMARY
G1
Same context, unseen perturbation target
Available nowIMPLEMENTED_HEPG2
G2
Unseen gene family or pathway
Available nowREGISTERED_SPLIT_DATA_NOT_EXECUTED
G3
Unseen donor
Designed, not yet completedREGISTERED_DONOR_RESOLVED_TRUTH_MISSING
G4
Unseen cell type or differentiation state
Designed, not yet completedREGISTERED_MATCHED_TRUTH_MISSING
G5
Unseen dataset or laboratory
Designed, not yet completedREGISTERED_HARMONIZED_TRUTH_MISSING
G6
Unseen disease background
Designed, not yet completedREGISTERED_DMD_PERTURBATION_TRUTH_MISSING
G7
Unseen modality or combination
Designed, not yet completedREGISTERED_OBSERVED_DOUBLE_TRUTH_MISSING
Permanent controls
Every advanced model must beat the Baseline Zoo
zero_change
Available nowIMPLEMENTED_NATIVE
training_response_mean
Available nowIMPLEMENTED_NATIVE
ridge_residual
Available nowIMPLEMENTED_NATIVE
nearest_neighbour_transfer
Available nowREGISTERED_NOT_IMPLEMENTED
pathway_module_mean
Available nowREGISTERED_NOT_IMPLEMENTED
similarity_weighted_pseudobulk_transfer
Available nowREGISTERED_NOT_IMPLEMENTED
additive_double_perturbation
Available nowIMPLEMENTED_NULL_PREVIEW_NO_OBSERVED_DOUBLE
Registered architecture · not trained
Context-set encoder + perturbation encoder + residual and distribution heads
Context cellsdonor · disease · state · assay
Shared encodercell set and gene modules
Pseudobulk headmean delta · logFC · DEG probability
Distribution headpredicted population · responders · state proportions
AbstentionOOD and uncertainty-aware refusal
No model claim. This architecture is a registered development target. No context-set or generative population model has been trained in this release.
Four leaderboards
Official, generalist, robustness and DMD biology remain separate
official_vcc_style
DES · PDS · MAE
Designed, not yet completedPARTIAL_AGGREGATE_ADAPTER_DES_LOCKEDgeneralist
DES · PDS · MAE · delta Pearson · logFC Spearman · DEG AUPRC · effect-size Spearman
Designed, not yet completedPARTIAL_AGGREGATE_ADAPTERrobustness
Input, output, cell scale, gene universe, splits, metric weights and submission format remain null until an official task specification is published.
Evaluation dependency
Cell-Eval target pin 0.8.2
The current site runs an internal formula-aligned aggregate adapter, not the official AnnData suite. Version pinning and metric golden tests are required before a competition result is claimed.
Boundary. Registered tasks and model architecture are not benchmark results. Missing donor, state, disease and cell-distribution truth remains null and locked.