The Context Ceiling: When Long Context Stops Thinking
Opening — Why This Matters Now The AI industry has been proudly stretching context windows like luxury penthouses: 32K, 128K, 1M tokens. More memory, more power, more intelligence — or so the marketing goes. But the paper “Do Large Language Models Really Think When Context Grows Longer?” (arXiv:2602.24195v1) asks an inconvenient question: what if more context doesn’t improve reasoning — and sometimes quietly makes it worse? ...