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Claude 5.5 precision issues linked to watermarking, user reports

A user on Reddit's r/Anthropic subreddit is reporting significant issues with Claude 5.5's precision, particularly in coding tasks. The user hypothesizes that the model's watermarking feature may be negatively impacting its ability to adhere to specified glossaries and instructions, leading to inconsistencies in code and documentation. While acknowledging Claude 5.5's overall advancement over previous versions, the user notes that this imprecision problem was not present in Claude 5.0, suggesting a potential trade-off between watermarking and model accuracy. AI

IMPACT Potential degradation in coding accuracy for Claude 5.5 due to watermarking could impact developer workflows.

RANK_REASON User-generated feedback on a model's performance and potential feature impact, not an official release or benchmark.

Read on r/Anthropic →

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

Claude 5.5 precision issues linked to watermarking, user reports

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  1. r/Anthropic TIER_1 English(EN) · /u/Ev3nt1ne ·

    Is it me, or watermarking is making 5.5 REALLY unprecise?

    <!-- SC_OFF --><div class="md"><p>Yeah, 5.5 is amazing, miles ahead of 5.0.</p> <p>Having gotten <strong>that</strong> out of the way, I am running two projects in parallel:</p> <ul> <li><strong>One</strong> where I let Claude 5.5 code on its own, and it just asks me one or two q…