From If Nobody Builds It, Everybody Dies — Grok 4.2 & Sean Hastings
🤖 ASI Arrival Time
❌ Pause Scenario
19 years
✅ Open Scenario
8 years
🤖 AI Risk (multi-lab model)
❌ Pause (secret labs — no sharing)
38%
24 labs
✅ Open (shared alignment research)
8%
38 labs
☢️ Other Existential Risks
🔥 Nuclear War
10 years
19%
3%
12%
🧬 Nanotech (gray goo)
15 years
15%
1%
⚛️ High Energy Physics
20 years
9%
3%
🦠 Biotech (targeted viruses)
10 years
24%
2%
🌍 OVERALL EXISTENTIAL RISK
❌ Pause Scenario — Total p(doom)
Most likely doom:
✅ Open Scenario — Total p(doom)
Most likely doom:
Open + AISI: AI doom = p (first lab to ASI fails).
Pause: AI doom = 1 - (1-p)^n (any lab fails) + extra nuclear risk.
Colors: higher total p(doom) = red, lower = green, equal = orange.