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Claude Haiku 5.5 Outperforms DeepSeek V4.1 Flash on Cost and Speed

By PulseAugur Editorial · [1 sources] ·

A benchmark test comparing DeepSeek V4.1 Flash and Claude Haiku 5.5 revealed that Claude Haiku 5.5 is significantly more cost-effective per task, despite both models achieving a similar pass rate. Haiku also demonstrated faster response times across various task types. When DeepSeek V4.1 Flash's reasoning feature was disabled, its cost became comparable to Haiku's, but it resulted in a decrease in task success rate. AI

IMPACT Claude Haiku 5.5 offers a more cost-effective and faster alternative for common, high-volume LLM tasks compared to DeepSeek V4.1 Flash.

RANK_REASON Benchmark comparison of two LLM models on various tasks. [lever_c_demoted from research: ic=1 ai=1.0]

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Claude Haiku 5.5 Outperforms DeepSeek V4.1 Flash on Cost and Speed

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4 / 100
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Benchmark comparison of two LLM models on various tasks. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · xiun xiao ·

    DeepSeek V4.1 Flash vs Claude Haiku 5.5: a 17-task benchmark of the two cheapest tiers

    <p><em>Originally published on the <a href="https://quicksilverpro.io/blog/deepseek-v4-1-flash-vs-claude-haiku-5-5/?utm_source=devto&amp;utm_medium=referral&amp;utm_campaign=flash-vs-haiku" rel="noopener noreferrer">QuickSilver Pro blog</a>.</em></p> <p>DeepSeek V4.1 Flash and Cl…

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