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Anthropic✕already broken

claude-1.2 shutdown

Claude 1 and Instant models. Shutdown date: 2024-11-06. Replacement: claude-haiku-4-5-20251001.

claude-1.2 shutdown: from its source to your code

platform.claude.comquote checked
claude-haiku-4-5-20251001from claude-1.2
2024-11-06730 days ago
Your code1 thing to find
Swapped in code

In its own wordsmatches the page ✓

| November 6, 2024 | `claude-1.2` | `claude-haiku-4-5-20251001` |

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-1.2"

Does it reach your code?

Fix in all Scan a repo

read by a table · anthropic-2024-11-06-claude-1-2