Claude Haiku 3

Model at Anthropic

Claude Haiku 3 does not have a researched profile yet. Everything here comes from its recorded changes and public listings, each linked to its source.

The basics

As of Nov 1

Status: Retired Apr 20, 2026

Updates

Apr 20

Retired

Claude Haiku 3 retired

Requests to claude-3-haiku-20240307 now return an error. The deprecation was announced on February 19, 2026.

Action needed:: Switch to Claude Haiku 4.5 or Haiku 5.5.

Full changelog, by month

Role

Fast, low-cost model at Anthropic

Claude Haiku 3
Until Apr 2026

Similar models

Claude Haiku 5.5

$0.10 in, $0.50 out

Claude Haiku 3.5

Model

Claude Haiku 4.5

$1 in, $5 out

Similar models for now. Real viewing data comes after launch.

What people say

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