{"type": "article", "title": "AI News — September 23, 2026: Claude Opus 5.5 Down 40%, GPT-6 Sol Halves Errors at Half the Price", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/ai-news-september-23-2026-claude-opus-5-5-down-40-gpt-6-sol-halves-errors-at-the", "original_source": "https://ai0.news/posts/2026-09-23-daily-digest/", "published": "2026-09-23T06:00:09+00:00", "accessed": "2026-09-23", "id": "ai-news-september-23-2026-claude-opus-5-5-down-40-gpt-6-sol-halves-errors-at-the"}