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AI Model Speed Test: Haiku 5.5, DeepSeek Flash, Luna, Gemini 3.8 Flash Show Similar Quality

By PulseAugur Editorial · [1 sources] ·

A user conducted a comparative test of four AI models: Haiku 5.5, Luna, DeepSeek Flash, and Gemini 3.8 Flash, evaluating them on a range of tasks including coding, bug fixes, SQL, and document analysis. The results showed a near tie in overall quality, with DeepSeek Flash scoring highest at 86.6, followed closely by Luna (85.2), Gemini 3.8 Flash (85.1), and Haiku 5.5 (84.7). Significant differences emerged in speed and specific task performance, with Haiku 5.5 being the fastest, Gemini 3.8 Flash excelling at tool calling but being the slowest, and DeepSeek Flash performing best on long documents. AI

IMPACT Provides insights into the performance and speed trade-offs of smaller, faster AI models for practical work tasks.

RANK_REASON User-conducted benchmark of existing models.

Read on r/ClaudeAI →

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

AI Model Speed Test: Haiku 5.5, DeepSeek Flash, Luna, Gemini 3.8 Flash Show Similar Quality

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1 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
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Commentary
User-conducted benchmark of existing models.
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Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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product, other
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High
Clearly on-topic for AI-industry coverage.
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Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/ClaudeAI TIER_2 English(EN) · /u/NiagaraPeloton ·

    I Tested Haiku 5.5 vs Luna vs DeepSeek Flash vs Gemini 3.8 Flash on real-ish work stuff. Basically a tie on quality, big differences in speed

    <table> <tr><td> <a href="https://www.reddit.com/r/ClaudeAI/comments/1x09xst/i_tested_haiku_55_vs_luna_vs_deepseek_flash_vs/"> <img alt="I Tested Haiku 5.5 vs Luna vs DeepSeek Flash vs Gemini 3.8 Flash on real-ish work stuff. Basically a tie on quality, big differences in speed" …

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