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Add OpenMidnight-1.1-SPECTRA encoder - #17

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PaulScotti wants to merge 2 commits into
MICS-Lab:mainfrom
MedARC-AI:codex/add-openmidnight11-spectra
Open

PaulScotti wants to merge 2 commits into
MICS-Lab:mainfrom
MedARC-AI:codex/add-openmidnight11-spectra

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@PaulScotti

@PaulScotti PaulScotti commented Oct 24, 2026 •

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Adds OpenMidnight-1.1-SPECTRA from MedARC and Sophont as openmidnight11_spectra.

Loads the complete merged weights with the model card's preprocessing. Classification uses 1,536-dimensional CLS embeddings; segmentation uses 1,536-dimensional patch features, excluding CLS and register tokens.

Evaluate with the standard THUNDER workflow:

thunder download-models openmidnight11_spectra
sbatch scripts/benchmark_all_tasks.sh openmidnight11_spectra

Validated the released checkpoint offline in FP32 with timm 1.0.20: preprocessing, pooled and dense embeddings, and nonzero input gradients.

@PaulScotti
PaulScotti marked this pull request as ready for review October 24, 2026 16:48

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