Anthropic Claude Model Evolution Order

Anthropic Claude Model Evolution is a curated order for following this timeline from earliest to latest. It covers 22 entries with dates and context for each entry.

1. Claude (2023) - Claude is a entry in the Anthropic Claude Model Evolution order, released in 2023.
2. Claude 2 (2023) - Claude 2 is a entry in the Anthropic Claude Model Evolution order, released in 2023.
3. Claude 2.1 (2023) - Claude 2.1 is a entry in the Anthropic Claude Model Evolution order, released in 2023.
4. Claude 3 Haiku (2024) - Claude 3 Haiku is a entry in the Anthropic Claude Model Evolution order, released in 2024.
5. Claude 3.5 Haiku (2024) - Claude 3.5 Haiku is a entry in the Anthropic Claude Model Evolution order, released in 2024.
6. Claude Haiku 4.5 (2025) - Claude Haiku 4.5 is a entry in the Anthropic Claude Model Evolution order, released in 2025.
7. Claude 3 Sonnet (2024) - Claude 3 Sonnet is a entry in the Anthropic Claude Model Evolution order, released in 2024.
8. Claude 3.5 Sonnet (2024) - Claude 3.5 Sonnet is a entry in the Anthropic Claude Model Evolution order, released in 2024.
9. Claude 3.5 Sonnet (New) (2024) - Claude 3.5 Sonnet (New) is a entry in the Anthropic Claude Model Evolution order, released in 2024.
10. Claude 3.7 Sonnet (2025) - Claude 3.7 Sonnet is a entry in the Anthropic Claude Model Evolution order, released in 2025.
11. Claude Sonnet 4 (2025) - Claude Sonnet 4 is a entry in the Anthropic Claude Model Evolution order, released in 2025.
12. Claude Sonnet 4.5 (2025) - Claude Sonnet 4.5 is a entry in the Anthropic Claude Model Evolution order, released in 2025.
13. Claude Sonnet 4.6 (2026) - Claude Sonnet 4.6 is a entry in the Anthropic Claude Model Evolution order, released in 2026.
14. Claude 3 Opus (2024) - Claude 3 Opus is a entry in the Anthropic Claude Model Evolution order, released in 2024.
15. Claude Opus 4 (2025) - Claude Opus 4 is a entry in the Anthropic Claude Model Evolution order, released in 2025.
16. Claude Opus 4.1 (2025) - Claude Opus 4.1 is a entry in the Anthropic Claude Model Evolution order, released in 2025.
17. Claude Opus 4.5 (2025) - Claude Opus 4.5 is a entry in the Anthropic Claude Model Evolution order, released in 2025.
18. Claude Opus 4.6 (2026) - Claude Opus 4.6 is a entry in the Anthropic Claude Model Evolution order, released in 2026.
19. Claude Opus 4.7 (2026) - Claude Opus 4.7 is a entry in the Anthropic Claude Model Evolution order, released in 2026.
20. Claude Opus 4.8 (2026) - Claude Opus 4.8 is a entry in the Anthropic Claude Model Evolution order, released in 2026.
21. Claude Mythos (Preview) (2026) - Claude Mythos (Preview) is a entry in the Anthropic Claude Model Evolution order, released in 2026.
22. Fable 5 (2026) - Fable 5 is a entry in the Anthropic Claude Model Evolution order, released in 2026.