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AII-1001-90459
ReportedReported by fewer than three independent publishers, with no official finding.Supporting sources are pending verification.

ChatGPT Global Service Outage Disrupts Millions of Users

ChatGPT experienced a global service outage on 24 April that made the platform inaccessible to users worldwide, disrupting approximately 300 million weekly users and affecting work, learning and business operations.

24 April 2025 Β· OpenAI Β· Reliability and hallucination
24 April 2025
AII-1001-90459
Quick facts
Organization
OpenAI (subject)
Category
Reliability and hallucination
Date
24 April 2025
Drafted by
Raidu Incident Detection

What happened

ChatGPT experienced a large-scale service outage on 24 April, with the official website unable to function and displaying error messages to users attempting to access it.

Downdetector data confirmed a surge in ChatGPT malfunction reports beginning around 10:00 AM on 24 April, affecting users globally including in the United States, Canada, Japan, Italy and Taiwan.

Reported impact

The outage disrupted approximately 300 million weekly users of ChatGPT globally and affected individual work, learning and enterprise operations to varying degrees.

Classification

Organization
OpenAI (subject)
Category
Reliability and hallucination
Industry
Consumer services
Harm status
Actual harm
Intent
Unknown
Timing
Post-deployment
Harm types
Economic or property
Harmed
Business, General public
AI systems
ChatGPT

Sources and evidence

Sources not yet published

This record was researched and written by the Index from original reporting. Its sources are still being verified by an editor, and they are listed here once that check is complete. Until then the record carries no reviewer.

How sources are verifiedSuggest a source for this incident