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Anthropic retires Claude Haiku 4.5, migrating chats to Haiku 5.5

By PulseAugur Editorial · [2 sources] ·

Anthropic is retiring Claude Haiku 4.5 from its model selector on October 29th. Users who have been interacting with this version will have their ongoing chats transitioned to the newer Haiku 5.5 model. This change indicates a regular update cycle for Anthropic's AI models. AI

IMPACT This update signifies a routine model refresh, with ongoing conversations automatically migrating to the successor model.

RANK_REASON This is a product update for an existing model, not a new frontier release.

Read on r/ClaudeAI →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Anthropic retires Claude Haiku 4.5, migrating chats to Haiku 5.5

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
This is a product update for an existing model, not a new frontier release.
Source corroboration
2 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
model release
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AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
6 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [2]

  1. r/Anthropic TIER_1 English(EN) · /u/mawcopolow ·

    Claude Haiku 4.5 leaves the model selector on October 29, and your chats with it will continue on Haiku 5.5

    <table> <tr><td> <a href="https://www.reddit.com/r/Anthropic/comments/1x845kd/claude_haiku_45_leaves_the_model_selector_on/"> <img alt="Claude Haiku 4.5 leaves the model selector on October 29, and your chats with it will continue on Haiku 5.5" src="https://external-preview.redd.…

  2. r/ClaudeAI TIER_2 English(EN) · /u/sussyslayer365 ·

    That didn't take long - Claude Haiku 4.5 is leaving the model selector October 29th

    &#32; submitted by &#32; <a href="https://www.reddit.com/user/sussyslayer365"> /u/sussyslayer365 </a> <br /> <span><a href="https://support.claude.com/en/articles/17444146-claude-haiku-4-5-is-leaving-the-model-selector?utm_content=inline_link&amp;utm_campaign=PMM_HAIKU_4_5_DEP_AP…

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