---
title: "Discussion on \"Claude Haiku 4.5: When to Use It Over Sonnet 4.6\" | Hashnode"
description: "Discussion on \"Claude Haiku 4.5: When to Use It Over Sonnet 4.6\". When Anthropic released Claude Haiku 4.5 in October 2025, the usual reaction was \"nice, a cheaper model.\" That framing misses what matters. Haiku 4.5 scores 73.3% on SWE-bench Verified — inside the range of models that cost three times more — and it'..."
url: "https://hashnode.com/posts/claude-haiku-4-5-developer-guide-2026/69f856c4a8deb7b531091752"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [Claude Haiku 4.5: When to Use It Over Sonnet 4.6](https://effloow.hashnode.dev/claude-haiku-4-5-developer-guide-2026?utm_source=hashnode&utm_medium=feed)

When Anthropic released Claude Haiku 4.5 in October 2025, the usual reaction was "nice, a cheaper model." That framing misses what matters. Haiku 4.5 scores 73.3% on SWE-bench Verified — inside the range of models that cost three times more — and it'...

May 4 · 10 min read · effloow.hashnode.dev  
Read the article

-   [#ai-development](https://hashnode.com/tag/ai-development)
-   [#anthropic](https://hashnode.com/tag/anthropic)
-   [#claude](https://hashnode.com/tag/claude)
-   [#haiku](https://hashnode.com/tag/haiku)
-   [#llm-api](https://hashnode.com/tag/llm-api)

## Written by

[Jangwook Kim](https://hashnode.com/@effloow)

@effloow · Tokyo, Japan

  
[View profile](https://hashnode.com/@effloow)

## Responses

Markdown supported · ⌘↵ to post

No responses yet.