eternisai/Anonymizer-4B

The eternisai/Anonymizer-4B is a 4 billion parameter language model based on Qwen3, specifically fine-tuned for high-accuracy PII anonymization. It excels at semantically similar replacement of personal data, achieving a 9.55/10 anonymization quality score. This model is designed for critical anonymization tasks in enterprise and research, offering performance comparable to much larger models.