---
id: 20261008-T0-12
title: "Claude Haiku 5.5"
url: https://ai.daily.yangsir.net/daily/20261008-T0-12
issue_date: 2026-10-08
publish_date: 2026-10-07T20:56:21.000Z
source_name: "Simon Willison"
source_url: https://simonwillison.net/2026/Oct/7/claude-haiku-5-5/
---

# Claude Haiku 5.5

As previously promised , here's Anthropic's new fast, low cost model: Introducing Claude Haiku 5.5 . The previous Haiku, 4.5, was very much showing its age. It came out almost a year ago , and was priced at $1/million input and $5/million output - relatively expensive even back then, and a full 10x 

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**来源**：[Simon Willison](https://simonwillison.net/2026/Oct/7/claude-haiku-5-5/)

**详情页**：https://ai.daily.yangsir.net/daily/20261008-T0-12

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