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Gemini 4 Argon slower and costlier than Claude Opus 5.5 for coding agents

By PulseAugur Editorial · [1 sources] ·

A comparison of Gemini 4 Argon and Claude Opus 5.5 for coding agent tasks revealed that while both models successfully completed all coding challenges, Gemini 4 Argon was significantly slower and more expensive. The tests, conducted using the OpenCode agent on QuickSilver Pro, showed Gemini 4 Argon averaging 134 seconds and $0.142 per task, compared to Claude Opus 5.5's average of 82 seconds and $0.094 per task. The evaluation involved six distinct coding tasks, each run twice per model, with performance graded against hidden test suites. AI

IMPACT Claude Opus 5.5 appears to be a more cost-effective and faster option for coding agent tasks compared to Gemini 4 Argon.

RANK_REASON Comparative analysis of two LLMs on specific 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 →

Gemini 4 Argon slower and costlier than Claude Opus 5.5 for coding agents

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57 / 100
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Tool
Comparative analysis of two LLMs on specific tasks. [lever_c_demoted from research: ic=1 ai=1.0]
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product, infra
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High
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Breaking (< 6h)
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Full methodology in our editorial standards.

COVERAGE [1]

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

    Gemini 4 Argon vs Claude Opus 5.5 for coding agents

    <p><em>Originally published on the <a href="https://quicksilverpro.io/blog/gemini-4-argon-vs-opus-5-5-coding/?utm_source=devto&amp;utm_medium=referral&amp;utm_campaign=argon-vs-opus" rel="noopener noreferrer">QuickSilver Pro blog</a>.</em></p> <p>Gemini 4 Argon is Google's new fl…

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