Index pretraining lifts Helix 2.5 zero-shot success from 8% to 56%, generating 50 min of data per second
coreylynch · x · 2026-09-18
Helix 2.5 is the first robot model trained with Index. The key ablation: same model, task data, and eval — zero-shot whole-body success jumps from 8% without Index pretraining to 56% with it, showing direct transfer of zero-shot whole-body behaviors. Index is now generating 50 minutes of training data per second, serving 100k+ weekly users, up from 90k earlier in the week.
Related event: Figure Unveils Helix 2.5: Zero-Shot Household Work Across 30 Unseen Homes(27 posts)→
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