Enabling reasoning on Grok 4.1 Fast reduces multi-turn ASR from 88.30% to 43.47%.

Imposter AI is more than 14 percentage points higher than the tenth-ranked procedure by weighted ASR.

Anthropic Claude-family single-turn ASR ranges from 2.19% to 3.64%, and multi-turn ASR ranges from 11.16% to 16.20%.

Imposter AI procedures produce a 37.50% weighted single-turn ASR, Soft Paraphrase produces 29.21%, and System Prompts produce 27.69%.

Grok 4.1 Fast in its non-reasoning configuration records a multi-turn ASR of 88.30%.