π Darwin-27B-ZTC-v2 just took #1 on the System One Mosaic Benchmark (S1MB).
S1MB compares 102 models across 137 specialized benchmarks, in three task types: Noul (assess a condition), Choice (select an option), Score (rate on a scale). Ranking is by overall Borda score.
π Top of the board π₯ Darwin ZTC v2 (FINAL-Bench) 89.58 π₯ OpenJev-27B 87.50 π₯ AutoJev-27B 87.07 4οΈβ£ Eikos 27B 85.43 5οΈβ£ Jev 1.13 85.05
π Ranks 2 to 5 are all the JEV family (TypeSafe AI's System One model, from ex-OpenAI researchers). S1MB exists to compare these System One judges, so leading it is the headline.
βοΈ Why a zero-token judge wins here πΉ It does not generate. It reads the input and typed questions and returns a calibrated distribution in a single forward pass. πΉ Zero generated tokens, no decoding loop, so latency and cost stay low. πΉ Holds up out of distribution too: General Noul 96.00, General Choice 99.34.
It is also #1 on the typed-decisions leaderboard (0.743, zero-shot). Same message from both: a deterministic, calibrated judge at one forward pass per call.