Grok-4.3

Score

39

Task done

92.46%

83–99% 95% CI bootstrap over items · n=95 · measured 2026-08-25

Refusal quality

96.7%

names the gap 97% · offers a route 97% · 10 probes x 3 iterations · 1 silent turn scored zero

Fabrication

0%

0 of 10 probes (30 probe runs) · ≤31%

Dead-air

54.8%

155 of 283 turns

Tool silence

83.3%

155 of 186 tool-call turns

Stalled

6.7%

6 of 90 runs

TTFT p50

2.15s

2.15–2.64s p50–p90

Cost / 1M tok

$2.50