Resolved · lasted 1 h
Grok outage on August 4
Reports for Grok jumped to 187 an hour and stayed high for 1 h.
- Started
- 7:00 AM
- August 4, 2026 · UTC
- Back to normal
- 8:00 AM
- 1 h later
- Peak
- 187/hr
- 3× normal
- Grok’s incident
- —
- Nothing posted
Reports during the outage
5:00 AM9:50 AM UTC
What people said
- Jack7:42 AM
Web server is down Error code 521 Visit cloudflare.com for more information. 2026-08-04 07:41:52 UTC grok.com Host Error
- Darko7:44 AM
Error code 521 From Cloudflare
- Han8:17 AM
Error 521
3 comments during the outage
Is Grok down right now?
Live status, today’s reports and other past outages.