Dr. Alex Vance

Verified Researcher

Lead AI Research Fellow & Computational Linguist

Former NLP researcher specializing in Transformer model burstiness, perplexity metrics, and semantic watermarking detection.

Articles

Articles Authored by Dr. Alex Vance

Aug 05, 2026 • 2 min read

Turnitin AI Detection Benchmark 2026: Which AI Humanizers Pass 0% AI Score?

As Turnitin rolled out its mid-2026 model update targeting sentence variance, traditional paraphrasers like QuillBot are triggering 85%+ AI scores. We audited 6 leading humanizer tools.

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Aug 05, 2026 • 5 min read

Perplexity & Burstiness: The Two Math Metrics AI Detectors Use to Spot You

Ever wondered why your manually written draft gets falsely flagged as 80% AI? It all comes down to mathematical low perplexity and flat line burstiness.

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