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The mechanics

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Analysis by ViralLoop — not written by the original author.

cat on Engineering · ViralLoop

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Post by cat on X

Haiku 4.5 is a workhorse that makes the coding experience in Claude Code feel really fast. While Sonnet 4.5 remains the default, Haiku 4.5 now powers the Explore subagent which can rapidly gather context on your codebase to build apps even faster.

Shown as X shows it.Open on X

2.3K likes76 repliesPosted Oct 15, 2025

View the original on X Written by cat. Captured Sep 4, 2026.

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Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Opens with a short, self-contained line that is easy to take in at a glance.
Short enough to read in full without expanding, which removes a step before the point lands.

The mechanics

Hook: Plain observation
Structure: Hook → Landing
Style: Conversational paragraphs at a steady pace.
Tone: plain, matter-of-fact
Written for: Engineers and technical teams

Analysis by ViralLoop — not written by the original author.

Topics

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More from cat

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