AI Chat Assistants · monthly outage report

AI Chat Assistants outages: October 2026

The 10 AI chat assistants we track reported 55 incidents in October 2026. ChatGPT reported the most (32). 4 had a clean month: Gemini, Microsoft Copilot, Poe, You.com.

Vendor	Incidents	Partial / major	Outage time	Longest
ChatGPT	32	6	19h 18m	2d 22h
Claude	13	9	5h 25m	4h 17m
DeepSeek Chat	6	2	—	—
Grok	2	2	1h 9m	1h 3m
Perplexity	1	0	—	37m
Pi	1	1	21h 11m	21h 11m
Gemini	0	0	—	—
Microsoft Copilot	0	0	—	—
Poe	0	0	—	—
You.com	0	0	—	—

Longest AI Chat Assistants outages in October 2026

Major outagePiOct 22, 2026 · 21h 11m
pi.ai status - 10/22/2026
Partial outageChatGPTOct 7, 2026 · 9h 54m
Unable to create new ChatGPT Work threads in latest version of desktop app
Partial outageChatGPTOct 9, 2026 · 3h 26m
Some ChatGPT content may be unavailable on Android
Partial outageChatGPTOct 15, 2026 · 2h 27m
Widespread feature degradation
Partial outageClaudeOct 25, 2026 · 1h 39m
Elevated errors for Claude Sonnet 5.5 and other models
Partial outageChatGPTOct 9, 2026 · 1h 38m
Workspace admins may be unable to manage plugins
Partial outageGrokOct 30, 2026 · 1h 3m
[grok.com] Grok Degradation
Partial outageChatGPTOct 20, 2026 · 1h
Authentication errors for some users
Partial outageChatGPTOct 1, 2026 · 53m
Issues with login, signup, and ads
Partial outageClaudeOct 27, 2026 · 42m
Elevated errors for Claude Sonnet 5.5

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