Working papers
The full catalog.
Every working paper from IFI Research, published with its data and source alongside the PDF. Working papers have not yet been through external peer review — read them accordingly, and check the work.
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Is LLM Personality an Artifact of Deployment? Psychometric Stability of Big Five Self-Reports Across Quantization Levels
Administers the 50-item IPIP Big Five inventory to nine open-weight model variants across three quantization levels — 28,350 stateless calls — and finds that 4-bit quantization materially shifts “personality” scores, internal consistency fails everywhere, and answer-option formatting moves scores more than quantization does. Deployment configuration belongs in the methods section.