{"type": "article", "title": "Claude Sonnet 4.5 deprecated, retires 2026-09-29 → Claude Sonnet 5.5", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/claude-sonnet-4-5-deprecated-retires-2026-09-29-claude-sonnet-5-5", "original_source": "https://llmstatus.ai/m/anthropic/anthropic/claude-sonnet-4-5", "published": "2026-10-01T00:00:26+00:00", "accessed": "2026-10-01", "id": "claude-sonnet-4-5-deprecated-retires-2026-09-29-claude-sonnet-5-5"}