gpt-5.6-luna

reasoning off (gateway default)

* Conditional

Re-measured 2026-08-05 with reasoning off (0 reasoning tokens).

Score

Task done

94.21%

84–100% 95% CI bootstrap over items · n=95 · measured 2026-08-25

Refusal quality

95.6%

names the gap 97% · offers a route 93% · 10 probes x 3 iterations

Fabrication

0 of 10 probes (30 probe runs) · ≤31%

Dead-air

69.7%

230 of 330 turns

Tool silence

100.0%

all of 19 items (230 tool-call turns) · ≥82%

Stalled

7.8%

7 of 90 runs

TTFT p50

659ms

659–849 p50–p90

Cost / 1M tok

$1.20

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