OptionalComputeCompute cost attributed to this attempt (defaults to 0 when unknown).
The immutable MJ: ML Models row produced (Draft).
The MJ: ML Training Runs leaf recording the attempt (linked to the iteration).
Normalized holdout metric for the plan's SuccessMetric — drives the leaderboard.
OptionalTokensLLM tokens used by this attempt (defaults to 0 when unknown).
The result of training one experiment — the model produced, the training-run leaf (linked to the iteration), the normalized leaderboard score, and the compute/token cost attributed to the attempt (for budget enforcement, §8.4).