JevBench by Benchmark Heaven: benchmark and leaderboard for AI decision models, measuring typed decision accuracy, calibration, latency and cost.
JevK5: open-weight alternative to TypeSafe Jev. Typed decisions with probabilities in one forward pass; Apache-2.0 weights and code.
Typed decisions from frozen Gemma-4-12B-it: one-token option-letter readout over stock vLLM 0.30.0 (JevBench package)