Wald-Q4B: open-weight 4B decision model. Calibrated probability for every option, Jev-compatible /v1/systemone API, self-hosted. Weights on Hugging Face.
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Updated
Oct 8, 2026 - Python
Wald-Q4B: open-weight 4B decision model. Calibrated probability for every option, Jev-compatible /v1/systemone API, self-hosted. Weights on Hugging Face.
Prumo: a decision engine with zero learned parameters (Decision Index, public index 20.14). Exact solvers + abstention, deterministic, CPU-only.
Code and results for "Joint or Per-Option? Compact Encoders for Closed-Set Decisions from 17 Million to 1 Billion Parameters": Crivo encoders, per-option ablation, initialisation 2x2, BTZSC/System1-Arena adapters, robustness, calibration, latency.
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