ResearchBenchmarksQuestion Answering on PQAref 908 samples (test)Follow3Max References Per Answer CountM2-0.120.691.52.31Jan 16, 2026Evaluation ResultsMethodMethodLinksMax References Per Answer CountCount of Answers with No ReferencesCount of Hallucinated PMIDsBERTScore (F1)M2Model=Mistral-7B-Instr...Model=Mistral-7B-Instruct v0.2, mode=fine-tuned2026.0135390GPT-4 TModel=GPT-4 TurboModel=GPT-4 Turbo2026.01120900-M2Model=Mistral-7B-Instr...Model=Mistral-7B-Instruct v0.2, mode=zero-shot2026.0101652684