Estimated

global-corpus-prior over 183 held-out anchors (49%); launch card against 2 resolved peers on 8 rows (51%); exceeds every named peer on 1 of 8 rows; optimism haircut 1.3 from cross-lab-probe; shrunk 4.9 up toward the measured corpus

Estimated

3 reported rows against measured corpus ladders (14%); global-corpus-prior over 183 held-out anchors (19%); measured predecessor stepfun/step-3.5-flash less the succession penalty (67%); shrunk 1.2 up toward the measured corpus