Back to AnthropicModel Familyclaude-opus-4Developed by Anthropic. Explore the 3 variants available in this generation.Claude Opus 4.8AnthropicAnthropicAPIMay 2026Lineageclaude-opus-4 (Opus)|Claude 5 (Opus)Claude Opus 4.7AnthropicAnthropicAPIApr 2026Lineageclaude-opus-4 (Opus)|claude-opus-4 (Opus)Claude Opus 4.6AnthropicAnthropicAPIFeb 2026LineageClaude 4.5 (Opus)|claude-opus-4 (Opus)