The deepseek-ai/DeepSeek-R1 model achieved a hallucination rate of 11.3%, a factual consistency rate of 88.7%, an answer rate of 97.0%, and an average summary length of 93.5 words as of March 20, 2026.

Authors

• Person: Not available Organization: Vectara
  vectara/hallucination-leaderboard - GitHub

Sources

• vectara/hallucination-leaderboard - GitHub github.com Vectara via serper

Referenced by nodes (5)

• hallucination rate concept
• answer rate concept
• factual consistency rate concept
• DeepSeek-R1 concept
• summary length concept