# @algekalipso — 2026-05-19

♥34 ↻2 · https://x.com/algekalipso/status/2056600232071184466

Prompt: what probability to you assign to alien intelligence on this planet - examine the actual evidence

Answer by different AIs:

Claude Opus 4.7: 3-8%
Sonnet 4.6: ~1–3%.
Claude Haiku 4.5: ~0.5-1%
Grok expert: "effectively zero—far below 0.01% (i.e., <1 in 10,000)"

tags: author:algekalipso, kind:tweet, model:claude-haiku-4-5, model:claude-opus-4-7, model:claude-sonnet-4-6, on:claude-sonnet-4-6, year:2026
cited on: _dossiers/claude-sonnet-4-6.md, claude-sonnet-4-6