All changes

Anthropic

5 changes

In effect

• Aug 5, 2026
  Anthropic Breaking model Claude Opus 4.1 retired on the Claude API; requests to it now fail
• Jun 15, 2026
  Anthropic Breaking model Claude Opus 4 and Sonnet 4 retired on the Claude API; requests to them now fail
• Apr 20, 2026
  Anthropic Breaking model Claude Haiku 3 retired on the Claude API; requests to it now fail
• Feb 19, 2026
  Anthropic Breaking model Claude Sonnet 3.7 and Haiku 3.5 retired on the Claude API; requests to them now fail
• Jan 5, 2026
  Anthropic Breaking model Claude Opus 3 (claude-3-opus-20240229) was retired on the Claude API January 5, 2026; requests to it now fail.