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Public story · 2026-03-02 · source-backed
Practical insight: Willison uses Claude Opus 4.6 as a proofreader that caught domain-specific inaccuracies — it flagged that "lack of fruiting rimu trees" should specify "lack of rimu masting" (mass fruiting events) in kakapo content. Concrete builder pattern for frontier models as fact-checking tools. simonwillison.net
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Opus built by Anthropic / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Opus built by Anthropic); both cover Opus, Willison; reported by the same outlet (simonwillison.net).
Cursor uses Opus / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Cursor uses Opus); both cover Claude Opus, Opus; reported by the same outlet (simonwillison.net).
Opus built by Anthropic / Shared entities / Same source domain / What happened next / Tension
Linked by a graph relationship (Opus built by Anthropic); both cover Claude Opus, Opus; reported by the same outlet (simonwillison.net).
Opus built by Anthropic / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Opus built by Anthropic); both cover Opus, Willison; reported by the same outlet (simonwillison.net).
Opus built by Anthropic / Shared entities / Same source domain / Shared topic / Earlier coverage
Linked by a graph relationship (Opus built by Anthropic); both cover Opus, Willison; reported by the same outlet (simonwillison.net).
Opus built by Anthropic / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Opus built by Anthropic); both cover Claude Opus, Opus; overlapping topics (claude, opus).
Linked by a graph relationship (Opus built by Anthropic); both cover Claude Opus, Opus; overlapping topics (claude, opus).
Opus built by Anthropic / Shared entity: Willison / Same source domain / Shared topic / What happened next / Tension
Linked by a graph relationship (Opus built by Anthropic); both cover Willison; reported by the same outlet (simonwillison.net).