Paid · reproducible · open data
Pre-train. Post-train. Own the checkpoint.
Configure a model from 135M through 3B parameters, initialize its weights from scratch, inspect this browser's real WebGPU limits, and save a local checkpoint record. Nessco reports only work that actually ran.
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verified accessTraining manifest
A checkpoint record starts at step 0 and contains no trained weights. The generated GPU recipe writes real weight checkpoints when run on capable hardware.