OpenAI's ChatGPT, alongside Sora and the API, faces significant outages, marking the second major disruption this month. Users worldwide encounter login failures, blank screens, and lost work. Notably, Downdetector reports 88% of complaints allege total inaccessibility of ChatGPT. OpenAI confirms “degraded performance” and is investigating the matter. They haven't disclosed the outage's root cause or restoration timeline, sparking reliability concerns as demand for AI tools rises.