SIGNALAI·Jun 5, 2026, 4:00 AMSignal75Short term

Epistemic Injustice in Language Models: An Audit of Pretraining Filters and Guardrails

Source: arXiv cs.CL

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Epistemic Injustice in Language Models: An Audit of Pretraining Filters and Guardrails

arXiv:2606.05936v1 Announce Type: new Abstract: Modern language models rely on pretraining filters to remove undesirable content from training corpora and inference-time guardrails to suppress undesirable outputs during deployment. In this paper, we examine how these filtering and moderation decisions produce forms of epistemic erasure and reveal tensions both across automated systems and between these systems and human judgment. We audit four pretraining filters and three inference-time guardrails on Common Crawl sentences containing gender and regional-origin mentions, together with a manual

Why this matters
Why now

The proliferation of advanced language models necessitates critical examination of their underlying data and ethical implications, especially as these models become more integrated into societal functions.

Why it’s important

Understanding how pretraining filters and guardrails create epistemic injustice is crucial for developing fair and equitable AI systems, impacting trust and regulatory frameworks.

What changes

This audit reveals a systematic issue with how AI systems handle sensitive demographic data, potentially shifting development priorities towards more transparent and robust ethical AI practices.

Winners
  • · AI ethics researchers
  • · Regulatory bodies
  • · Human rights advocates
  • · Auditing firms
Losers
  • · Developers of unexamined large language models
  • · Users impacted by biased AI systems
  • · Companies with opaque AI development processes
Second-order effects
Direct

Increased scrutiny and demand for transparency in AI model development and deployment.

Second

Development of new tools and methodologies for auditing AI systems for bias and epistemic injustice.

Third

Potential for new legal precedents and industry standards related to AI accountability and fairness.

Editorial confidence: 90 / 100 · Structural impact: 60 / 100
Original report

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Read at arXiv cs.CL
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