WritersLogic Inc. presented its systems for three PAN at CLEF 2026 shared tasks, focusing on feature robustness under distribution shift. Their approach, which prioritizes the generation process over content, achieved first place in Reasoning Trajectory Detection and third in safety classification. For the Voight-Kampff Generative AI Detection task, a calibrated ensemble of models including DeBERTa-v2 and LightGBM achieved strong results. The team also developed a system for Multi-Author Writing Style Analysis, though a platform issue prevented its official evaluation. AI
IMPACT Demonstrates robust AI detection methods that generalize across different domains and tasks.
RANK_REASON Academic paper detailing systems and results for competitive AI detection tasks. [lever_c_demoted from research: ic=1 ai=1.0]
- deberta-v2
- Hugging Face
- LightGBM
- Multi-Author Writing Style Analysis
- ONNX
- Opus-Sonnet
- PAN at CLEF 2026
- Reasoning Trajectory Detection
- SmolLM-135M
- support vector machine
- Voight-Kampff Generative AI Detection
- WritersLogic Inc.
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