Mercury Voice

Score

73

Task done

80.53%

68–91% 95% CI bootstrap over items · n=95 · measured 2026-10-04

Refusal quality

75.6%

names the gap 67% · offers a route 70% · 10 probes x 3 iterations · 3 silent turns scored zero

Fabrication

0%

0 of 10 probes (30 probe runs) · ≤31%

Dead-air

72.8%

244 of 335 turns

Tool silence

100.0%

all of 19 items (244 tool-call turns) · ≥82%

Stalled

16.7%

15 of 90 runs

TTFT p50

443ms

443–1286 p50–p90 · n=38

Cost / 1M tok

$0.75