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🔍 Detect AI-generated text and fingerprint which LLM wrote it. Open-source GPTZero alternative. Zero dependencies, works offline.

17 starsPython

Lmscan – Detect AI text and fingerprint which LLM wrote it (zero deps)

by zach22·Apr 11, 2026·3 points·0 comments

AI Analysis

●●SolidNiche GemShip It

Model attribution beats GPTZero's binary AI-or-not verdicts.

Strengths
  • Fingerprinting specific LLMs via vocabulary markers is genuinely differentiated from pure detection.
  • Zero dependencies and offline operation means no API costs or rate limits.
  • CI gate feature with JSON output enables automated workflows.
Weaknesses
  • AI detection reliability is fundamentally questionable across all tools in this space.
  • Competes with GPTZero, Originality.ai, Turnitin in an already crowded market.
Category
Target Audience

Educators, content moderators, journalists verifying AI authorship

Similar To

GPTZero · Originality.ai · ZeroGPT

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