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Anthropic's Opus 5 shows strong resistance to prompt injection

Boris Cherny, a researcher, highlighted that Anthropic's Opus 5 model demonstrates significant advancements in prompt injection resistance. This security improvement is considered more exciting than traditional evaluation scores. The model's system card indicates that across various evaluations and red teaming efforts, Opus 5 proved exceptionally difficult to manipulate through prompt injection techniques. AI

IMPACT Enhances model safety and trustworthiness, potentially setting new standards for AI security against manipulation.

RANK_REASON The item discusses a specific safety improvement in a model, citing a researcher's commentary on its resistance to prompt injection. [lever_c_demoted from research: ic=1 ai=1.0]

Read on Simon Willison →

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

Anthropic's Opus 5 shows strong resistance to prompt injection

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The item discusses a specific safety improvement in a model, citing a researcher's commentary on its resistance to prompt injection. [lever_c_demoted from research: ic=1 ai=1.0]
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safety, model release
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High
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57 days old
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COVERAGE [1]

  1. Simon Willison TIER_1 English(EN) ·

    Quoting Boris Cherny

    <blockquote cite="https://twitter.com/bcherny/status/2080713091688583312"><p>More than any of these eval scores, what is most exciting to me is something else: Opus 5 is our least prompt injectable model yet. It is a bit buried in the system card, but across PI evals and red team…