ChatGPT Plus Subscribers Hit New Rate Limits — 348 Upvotes of Frustration

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ChatGPT Plus subscribers are reporting previously unseen chat caps appearing ~2 days ago, with extensive conversations suddenly hitting ceilings that never existed before. The post drew 348 upvotes and 119 comments on r/ChatGPT. OpenAI's current limits are 160 messages/3 hours for GPT-5.3 and 3,000 messages/week for GPT-5.4 Thinking, but users report limits being enforced more aggressively than documented, especially during peak hours.

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