# Claude 3.5 Haiku deprecation

entity: /record/claude-3-5-haiku.md  
predicate: deprecated  
page: /record/claude-3-5-haiku/deprecated  
as_of: 2026-11-04  

As of November 4, 2026, the AsOf record says Claude 3.5 Haiku was deprecated on December 19, 2025 (as claude-3-5-haiku-20241022), from a primary source (platform.claude.com). The record holds 1 claim on Claude 3.5 Haiku's deprecation, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current deprecation

What the record asserts on 2026-11-04.

- [Claude 3.5 Haiku](/record/claude-3-5-haiku.md) | deprecated | claude-3-5-haiku-20241022 | valid 2025-12-19 to present | conf 0.95 | valid | [clm_967C6FF2D705](/claim/clm_967C6FF2D705.md)
  sources: https://platform.claude.com/docs/en/about-claude/model-deprecations

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Claude 3.5 Haiku](/record/claude-3-5-haiku.md) | deprecated | claude-3-5-haiku-20241022 | valid 2025-12-19 to present | conf 0.95 | valid | [clm_967C6FF2D705](/claim/clm_967C6FF2D705.md)
  sources: https://platform.claude.com/docs/en/about-claude/model-deprecations

## Questions this record answers

### When was Claude 3.5 Haiku deprecated?

On December 19, 2025 (as claude-3-5-haiku-20241022), from a primary source (platform.claude.com) (status valid, confidence 0.95).


## Get this data

- JSON: /v1/entities/claude-3-5-haiku/deprecated (this fact) · /v1/entities/claude-3-5-haiku?predicates=deprecated (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "claude-3-5-haiku", predicates: ["deprecated"]) for every dated value · fetch(id: "/record/claude-3-5-haiku/deprecated.md") for this page
- Entity twin: /record/claude-3-5-haiku.md · timeline: /timelines/claude-3-5-haiku.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.