Grok-4.3

Score

38

Task done

90.88%

78–100% 95% CI bootstrap over items · n=95 · measured 2026-10-04

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

56.9%

165 of 290 turns

Tool silence

86.8%

165 of 190 tool-call turns

Stalled

5.6%

5 of 90 runs

TTFT p50

2.38s

2.38–5.38s p50–p90 · n=38

Cost / 1M tok

$2.50