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Claude Opus 5 praised for benchmarks, criticized for verbosity

By PulseAugur Editorial · [1 sources] ·

Anthropic's Claude Opus 5, while showing benchmark improvements, has become significantly more verbose and harder for humans to parse. The model's default responses are longer, include more narration, and can expand tasks beyond the initial request. This increased verbosity, documented by Anthropic on the model's launch day, has led to a loss of user trust for some, despite its strong performance on intelligence and regression benchmarks. Users are exploring workarounds, such as using a split model approach with Claude Fable 5 for planning and Opus 5 for execution, to manage the output. AI

IMPACT Increases verbosity in frontier models, potentially impacting user trust and workflow efficiency.

RANK_REASON New model release from a frontier lab with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

Read on dev.to — Claude Code tag →

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

Claude Opus 5 praised for benchmarks, criticized for verbosity

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0 / 100
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Significant
New model release from a frontier lab with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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model release, product
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High
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25 days old
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COVERAGE [1]

  1. dev.to — Claude Code tag TIER_1 English(EN) · Nishil Bhave ·

    Claude Opus 5 Verbosity: Anthropic Documented It on Day One

    <p><a class="article-body-image-wrapper" href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2F6eeejypc20olhuc5i5sb.webp"><img alt="A dim archive h…

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