The p(doom) database · person

Blake Lemoine’s p(doom)

0.015%
Former Google engineer (LaMDA sentience claim) · ex-frontier labs · Sep 13, 2026

In their words

Blake Lemoine (Former Google engineer (LaMDA sentience claim)) put their p(doom) at 0.015% (extinction, with AI), on X on Sep 13, 2026.

My p(doom) = 0.0001 without AI and 0.00015 with.

Source · re-checked against the primary source.

Given as fractions: 0.01% without AI, 0.015% with AI, so AI adds 0.005 points. On Sept 9 he wrote "my p(doom) < 0.01" (x.com/cajundiscordian/status/2097765210677293195).

In context

Among ex-frontier labs in the database (8 people), the median is 12.5%. Across all 223 people it is 10%. How the medians and the index are built.

A p(doom) is a personal, subjective estimate of the probability that advanced AI ends in human extinction or a comparable, irreversible catastrophe. Scope and timeframe differ from person to person, so compare with care: why p(doom) numbers disagree.

See all 300 statements in the database · everyone A–Z