Cloudflare outage disrupts OpenAI, Claude, Grok and Cursor; services recover
ai · x · 2026-09-04
Cloudflare reported two active incidents as Downdetector showed outages across major AI platforms including OpenAI, Claude, Grok, and Cursor, raising concerns the disruptions were linked to Cloudflare.
- R2 custom domain HTTP/3 issue: sites using custom domains on R2 storage saw failed or degraded requests; Cloudflare has applied a fix and is monitoring
- WARP geolocation error: some WARP users appeared to connect from wrong locations; cause identified
Anthropic said several models recovered to baseline and OpenAI applied mitigation, with services gradually returning to normal.
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