Back to AnthropicModel FamilyClaude 5Developed by Anthropic. Explore the 4 variants available in this generation.Claude Opus 5AnthropicAnthropicAPI OnlyJul 2026LineageClaude 4.8 (Opus)Claude Sonnet 5AnthropicAnthropicAPI OnlyJun 2026LineageClaude 4.6 (Sonnet)Claude Fable 5AnthropicAnthropicAPI OnlyJun 2026Claude Mythos 5AnthropicAnthropicClosed SourceJun 2026LineageClaude Mythos Preview (Mythos)