Leaderboard

K-FinHallu

Tests whether an LLM can detect hallucinations in multi-turn Korean financial RAG dialogues. The taxonomy is built on answerability: contradictory, unverifiable, irrelevant, false refusal and false acceptance, with justified abstention counted as correct.

Best reported

0.860

Gemini 2.5 Flash

binary detection F1

28 May 2026

K-FinHallu arXiv v1 (2026-05-28)

binary detection F1, higher is better. 10 models.

Updated 28 May 2026

  1. Gemini 2.5 Flash0.860
  2. Gemini 2.5 Pro0.849
  3. gpt-50.823
  4. Llama-3.3-70B0.756
  5. Llama-3.1-70B0.735
  6. GPT-4o0.733
  7. Qwen3-32B0.732
  8. EXAONE-4.0-32B0.728
  9. Qwen3-14B0.707
  10. Llama-3.1-8B0.674

K-FinHallu arXiv v1 (2026-05-28)

binary detection F1, higher is better. 10 models.

Updated 28 May 2026

  1. 1Gemini 2.5 Flash0.860
  2. 2Gemini 2.5 Pro0.849
  3. 3gpt-50.823
  4. 4Llama-3.3-70B0.756
  5. 5Llama-3.1-70B0.735
  6. 6GPT-4o0.733
  7. 7Qwen3-32B0.732
  8. 8EXAONE-4.0-32B0.728
  9. 9Qwen3-14B0.707
  10. 10Llama-3.1-8B0.674
K-FinHallu leaderboard (binary detection F1, higher is better)
1Gemini 2.5 FlashGoogle0.860test splitPaper Table 3
Reported by the authors, 28 May 2026
2Gemini 2.5 ProGoogle0.849test splitPaper Table 3
Reported by the authors, 28 May 2026
3gpt-5OpenAI0.823test splitPaper Table 3
Reported by the authors, 28 May 2026
4Llama-3.3-70BMeta0.756test splitPaper Table 3
Reported by the authors, 28 May 2026
5Llama-3.1-70BMeta0.735test splitPaper Table 3
Reported by the authors, 28 May 2026
6GPT-4oOpenAI0.733test splitPaper Table 3
Reported by the authors, 28 May 2026
7Qwen3-32BQwen0.732test splitPaper Table 3
Reported by the authors, 28 May 2026
8EXAONE-4.0-32BLG0.728test splitPaper Table 3
Reported by the authors, 28 May 2026
9Qwen3-14BQwen0.707test splitPaper Table 3
Reported by the authors, 28 May 2026
10Llama-3.1-8BMeta0.674test splitPaper Table 3
Reported by the authors, 28 May 2026

Full details for K-FinHallu