ChatGPT Outage Leaked Internal Reasoning Token <|SpawnThinking|>

The_Digital_Hearts · reddit · 2026-08-28

On the evening of August 27, ChatGPT Work and Workspace Agents experienced elevated error rates. During the incident, some users observed the internal tag <|SpawnThinking|> in outputs, a normally hidden reasoning token exposed due to system stress. Services recovered after about 4 hours; no model update was linked to the leak.

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