LaunchAI ModelsOctober 9, 2026

H2O.ai releases H2O-Lightning-4B decision model

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H2O-Lightning-4B is an Apache-2.0 open-weight 4B model for "decisions API" inference: send a state plus typed questions (pick one / yes-no / score) and get calibrated probabilities from a single forward pass. H2O.ai says it is the top open model on JevBench, above Jev.

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