AI · 1h ago
Claude's anti-regurgitation filter blocks public-domain PDF transcription
A developer trying to transcribe a public-domain US Coast Guard PDF using Claude hit repeated API errors due to Anthropic's output-side content filter. The filter blocks sustained verbatim reproduction of source text, regardless of licensing. The workaround: have the model write a parser script instead of outputting the text directly.
Meridian48 take
Anthropic's anti-regurgitation guard is license-blind and API-level, making it a persistent false-positive source for legitimate transcription tasks.
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Why Claude won't transcribe your PDF — and what to do instead →
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