How many Anthropic models are deprecated?
2 Anthropic model records have status deprecated.
Deprecated Anthropic models
2 Anthropic model records have status deprecated, sorted by shutdown date. None of these records has an exact shutdown date before 2026-10-23. 1 record has no published shutdown date. Each row links the model page and the replacement page. The official page is https://platform.claude.com/docs/en/about-claude/model-deprecations. The model page records the day that page was checked. Last updated 2026-10-23, the dataset version (the newest changelog date). See all deprecated models. What deprecated means is on Deprecated.
| Model | Shutdown | Replacement |
|---|---|---|
| claude-sonnet-4-5-20250929 | 2026-11-30 source, checked 2026-10-23 | claude-sonnet-5-5 (official) |
| claude-mythos-preview | Not published source, checked 2026-10-23 | Not published |
Questions
What is the soonest shutdown date among deprecated Anthropic models?
The soonest shutdown date on or after 2026-10-23 is 2026-11-30. That date is on claude-sonnet-4-5-20250929 (Anthropic).
How many deprecated Anthropic models have no published shutdown date?
1 deprecated model record has no published shutdown date.
Where does SunsetDiff read the dates for deprecated Anthropic models?
The official page is https://platform.claude.com/docs/en/about-claude/model-deprecations. Each model page records the day that page was checked. Dataset version 2026-10-23.