Training Run Economics
What AI training runs actually cost. Disclosed and estimated parameter count, training tokens, GPU hours, hardware, and dollar cost for every notable frontier and open-weights run. Disclosed numbers come from papers and model cards; estimated numbers are reverse-engineered from public hints.
Machine-readable JSON/api/training-runsFor agents: same data at /api/training-runs. Filter with ?publisher=... or ?open_weights=true. Free, cached 10 min.