Archived report
2026-09-05: Advisory
- Original forecast
- Advisory forecast
- Evidence available at the time
- OpenAI: OpenAI releases GPT-6 Astra; Other: ChatGPT, Claude and Grok down in simultaneous outage
- Later outcome
- Directionally correct
- Forecast grade
- directional
- What changed afterward
- Issued as Advisory; grading after the window closes.