announcement aidev SIG 3/5

Qwen3Guard: first safety guardrail model in Qwen family

Qwen released Qwen3Guard, a safety classification model built on Qwen3 and fine-tuned for prompt and response moderation. It outputs risk levels and category classifications, and claims state-of-the-art results on major safety benchmarks per the vendor's tech report.

PUBLISHED2025-09-22
OBSERVED2026-08-11
AGE11mo
SOURCES1
  • First safety guardrail model in the Qwen family
  • Built on Qwen3, fine-tuned for safety classification
  • Detects risks in both prompts and responses
  • Outputs risk levels and category classifications
  • Supports English, Chinese, and multilingual
  • Claims state-of-the-art on major safety benchmarks
  • Published as tech report, GitHub repo, Hugging Face model, and ModelScope

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