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Anthropic✕already broken

claude-3-7-sonnet-20250219 shutdown

Claude Sonnet 3.7 model. Shutdown date: 2026-02-19. Replacement: claude-sonnet-5-5.

claude-3-7-sonnet-20250219 shutdown: from its source to your code

platform.claude.comquote checked
claude-sonnet-5-5from claude-3-7-sonnet-20250219
2026-02-19260 days ago
Your code1 thing to find
Swapped in code

In its own wordsmatches the page ✓

| February 19, 2026 | `claude-3-7-sonnet-20250219` | `claude-sonnet-5-5` |

platform.claude.com/docs/en/about-claude/model-dep…from the provider's own sitechecked 2026-11-04#dff781a1f1

What Teire looks for in your code

model ID "claude-3-7-sonnet-20250219"

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read by a table · anthropic-2026-02-19-claude-3-7-sonnet-20250219