15:54
2026-06-15
narracomm.com
large-language-models
Anthropic Enforces Hard Retirement for Two Claude 4 Models Today β Sonnet-4-20250514 and Opus-4-20250514 Cut Off June 15, 2026
Anthropic retired two Claude 4 models today, June 15, 2026, cutting off API access to claude-sonnet-4-20250514 and claude-opus-4-20250514. The company recommends migrating to claude-sonnet-4-6 and claβ¦