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  <url>
    <loc>https://newsia.fr/news/claude-opus-4-8-anthropic-sortie-mai-2026</loc>
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      <news:publication>
        <news:name>NewsIA</news:name>
        <news:language>fr</news:language>
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      <news:publication_date>2026-05-28T18:25:05.547Z</news:publication_date>
      <news:title>Claude Opus 4.8 : Anthropic mise sur l&apos;honnêteté</news:title>
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