{"type": "article", "title": "Anthropic Enforces Hard Retirement for Two Claude 4 Models Today — Sonnet-4-20250514 and Opus-4-20250514 Cut Off June 15, 2026", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/anthropic-enforces-hard-retirement-for-two-claude-4-models-today-sonnet-4-and-4", "original_source": "https://www.narracomm.com/anthropic-enforces-hard-retirement-for-two-claude-4-models-today-sonnet-4-20250514-and-opus-4-20250514-cut-off-june-15-2026/", "published": "2026-06-15T15:54:22+00:00", "accessed": "2026-06-16", "id": "anthropic-enforces-hard-retirement-for-two-claude-4-models-today-sonnet-4-and-4"}