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Claude 4.8 outperforms 4.6 in codebase tasks, though more verbose

A user conducted a non-scientific comparison between Claude Opus 4.6 and 4.8, using Codex 5.5 as the judge. The results indicated that Claude 4.8 performed better overall in understanding the codebase and detecting risks, despite being slower and more verbose. Codex 5.5, acting as the judge, also reflected that while Claude 4.8 was a more thorough investigator, its own output would have been more concise and efficient. AI

IMPACT Suggests incremental improvements in model understanding and risk detection, but highlights trade-offs with verbosity and efficiency.

RANK_REASON User-conducted benchmark comparing two versions of a model. [lever_c_demoted from research: ic=1 ai=1.0]

Read on r/ClaudeAI →

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

COVERAGE [1]

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

    4.6 vs 4.8 with codex as judge

    <!-- SC_OFF --><div class="md"><p>A very non-scientific test - I asked codex 5.5 xhigh to give claude the task of adding a feature to a medium-sized legacy codebase using 4.6 and 4.8 on max. </p> <p>The verdict confirms what I think we already know - 4.8 is better overall but is …