{"type": "article", "title": "The 516-Token Cliff: Inside GPT-5.5's Silent Reasoning Regression", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/the-516-token-cliff-inside-gpt-5-5-s-silent-reasoning-regression", "original_source": "https://sourcefeed.dev/a/the-516-token-cliff-inside-gpt-55s-silent-reasoning-regression", "published": "2026-07-06T15:04:29+00:00", "accessed": "2026-07-07", "id": "the-516-token-cliff-inside-gpt-5-5-s-silent-reasoning-regression"}