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ARC Observatory — live run data
Public metrics for the fresh Qwen3.5-9B rank-128 direct-grid SFT experiment.
snapshot.json contains loss curves, epoch/step progress, generated exact-grid evaluations and a trace index. traces/ contains saved exposed reasoning, final predictions and public task grids for the fixed evaluation sample. The publisher selects explicit fields and excludes credentials, service checkpoint addresses and private process configuration.
Data syncs approximately every 60 seconds while the local publisher runs. published_at indicates freshness; a saved snapshot does not prove the trainer is still running.
The training probe uses 20 tasks from the training set. The held-out probe uses 20 tasks reserved for this run. Grid-answer NLL uses teacher forcing and includes JSON formatting; it is not solving accuracy. The historical source targets are in the reasoning corpus.
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