Dev's hands-on: Haiku 5.5 beats DeepSeek V4.1 Flash and GLM-5.3 Flash for in-app chat
EXM7777 · x · 2026-10-14
A developer shares real-world experience embedding Haiku 5.5 for customer chat: it clearly beat DeepSeek V4.1 Flash and GLM-5.3 Flash on speed and quality at a fraction of the cost — users even asked if it was Opus under the hood. With the right context and prompt engineering, he says, it delivers a Claude-like feel cheaply. (Top-level post is newsletter promotion.)
Related event: Dev Test: Haiku 5.5 Beats DeepSeek and GLM Flash for In-App Chat(2 posts)→
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