Obituaries · Anthropic
claude-3-5-haiku-20241022, 2024–2026
Anthropic model switched off after 1 year and 3 months
claude-3-5-haiku-20241022, an Anthropic model that answered questions, wrote emails and was blamed for both, was switched off on February 19, 2026, aged 1 year and 3 months. The death was announced 2 months in advance, on December 19, 2025, on a deprecations page that most of its users never opened. Requests addressed to it are expected to come back unanswered.
It is survived by claude-haiku-4-5-20251001, who is already doing the job.
| Model ID | claude-3-5-haiku-20241022 |
|---|---|
| Provider | Anthropic deprecations page |
| Born | October 22, 2024 |
| Announced | December 19, 2025 |
| Shut down | February 19, 2026 |
| Successor | claude-haiku-4-5-20251001 |
In lieu of flowers
Replace the string. Search your code for claude-3-5-haiku-20241022 and swap it for claude-haiku-4-5-20251001, or paste a repo into Model Graveyard Check to find every dead model at once.
Want to say something to it? Leave a letter on the farewell wall.
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Technical notice, with a code scanner: claude-3-5-haiku-20241022 on Model Graveyard Check