Users report ChatGPT hitting 'Context window full' after just 15 short messages

ombre-ai · reddit · 2026-11-09

Reddit post aggregates OpenAI Developer Community reports since Nov 5 of ChatGPT showing 'Context window full' far earlier than expected — around 15 short messages, sometimes in brand-new chats, with 'continue with summary' often failing too. The author can't tell if it's a bug, a silent limit change, or plan/app-specific, and proposes a structured reply template to map the pattern, plus asks what people carry over when restarting long projects.

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