Open-ended QA medical datasets that have a permissive license
14 of the 20 Open-ended QA medical datasets in the Mdexa database have a permissive license: Chinese-medical-dialogue-data（Toyhom）, CMB (Chinese Medical Benchmark), Huatuo-26M, huatuo_encyclopedia_qa, Huatuo_knowledge_graph_qa, Huatuo26M-Lite, huatuo26M-testdatasets, HuatuoGPT2-Pretraining-Instruction, HuatuoGPT2-SFT-GPT4-140K, LingLanMedBench Traditional Chinese Medicine Benchmark Dataset, medical-o1-reasoning-SFT（中文子集）, Medical-Reasoning-SFT-Mega, GBaker/MedQA-USMLE-4-options-hf, MedQA-USMLE-4-options.
13 of them carry a source risk flag; a license verdict does not cover source risks.
Datasets 14
Chinese-medical-dialogue-dataToyhomVerified by Mdexa PermissiveLink only 792.1K QA pairs
License is permissive, but source risk: source not stated, so source copyright cannot be judged; link only.
Clinical medicine · QA, dialogue and instruction data · Unknown provenance
CMBChinese Medical BenchmarkVerified by Mdexa PermissiveLink only 11.2K questions
License is permissive, but source risk: questions come from copyrighted exams; link only.
Clinical medicine · Question banks and benchmarks · Clinical cases · Exam-derived
Huatuo-26MVerified by Mdexa PermissiveLink only ≥26M QA pairs
License is permissive, but source risk: content scraped from websites whose terms are not stated; derived from real patient text; link only.
Clinical medicine · QA, dialogue and instruction data · Scraped · Real patient text
huatuo_encyclopedia_qaVerified by Mdexa PermissiveLink only 364.4K QA pairs
License is permissive, but source risk: content scraped from websites whose terms are not stated; link only.
Clinical medicine · Pharmacy and drugs · QA, dialogue and instruction data · Scraped
Huatuo_knowledge_graph_qaVerified by Mdexa PermissiveLink only —
License permissive: first-hand data-scope statement(s) allow commercial use and redistribution. Link only.
Clinical medicine · QA, dialogue and instruction data · Knowledge graphs
Huatuo26M-LiteVerified by Mdexa PermissiveLink only 177.7K rows
License is permissive, but source risk: content scraped from websites whose terms are not stated; generated by a model; the model's output terms need checking; built from other datasets; link only.
Clinical medicine · QA, dialogue and instruction data · Scraped · Model-generated · Derived
huatuo26M-testdatasetsVerified by Mdexa PermissiveLink only —
License permissive: first-hand data-scope statement(s) allow commercial use and redistribution. Risk flag(s): derived, Real patient text. Link only.
Clinical medicine · QA, dialogue and instruction data · Derived · Real patient text
HuatuoGPT2-Pretraining-InstructionVerified by Mdexa PermissiveLink only —
License permissive: first-hand data-scope statement(s) allow commercial use and redistribution. Risk flag(s): Model-generated. Link only.
Clinical medicine · Biomedical literature · QA, dialogue and instruction data · Literature · Other · Model-generated
HuatuoGPT2-SFT-GPT4-140KVerified by Mdexa PermissiveLink only —
License permissive: first-hand data-scope statement(s) allow commercial use and redistribution. Risk flag(s): derived, Model-generated. Link only.
Clinical medicine · QA, dialogue and instruction data · Derived · Model-generated
LingLanMedBench Traditional Chinese Medicine Benchmark DatasetVerified by Mdexa PermissiveLink only —
License permissive: first-hand data-scope statement(s) allow commercial use and redistribution. Risk flag(s): Exam-derived. Link only.
Traditional Chinese medicine · Chinese materia medica · Formulas · Diagnostic methods · Classical texts · Case records · Question banks and benchmarks · QA, dialogue and instruction data · Annotated corpora · Exam-derived
medical-o1-reasoning-SFT中文子集Verified by Mdexa PermissiveLink only ≈20.2K items
License is permissive, but source risk: generated by a model; the model's output terms need checking; link only.
Clinical medicine · QA, dialogue and instruction data · Model-generated
Medical-Reasoning-SFT-MegaVerified by Mdexa PermissiveLink only —
License permissive: first-hand data-scope statement(s) allow commercial use and redistribution. Risk flag(s): Model-generated. Link only.
Clinical medicine · QA, dialogue and instruction data · Model-generated
GBaker/MedQA-USMLE-4-options-hfVerified by Mdexa PermissiveLink only —
License permissive, share-alike: first-hand data-scope statement(s) allow commercial use and redistribution. Risk flag(s): Exam-derived. Link only.
Clinical medicine · Question banks and benchmarks · QA, dialogue and instruction data · Exam-derived
MedQA-USMLE-4-optionsVerified by Mdexa PermissiveLink only —
License permissive: first-hand data-scope statement(s) allow commercial use and redistribution. Risk flag(s): Exam-derived. Link only.
Clinical medicine · Question banks and benchmarks · QA, dialogue and instruction data · Exam-derived
Evidence
- Chinese-medical-dialogue-data (Toyhom) Repository sidebar · MIT · 2026-11-12
MIT License Copyright (c) 2019 Toyhom
- CMB (Chinese Medical Benchmark)Repository license file · Apache-2.0 · 2026-11-12
Apache License Version 2.0, January 2004
- Huatuo-26MREADME · Apache-2.0 · 2026-11-12
The Huatuo-26M dataset is licensed under Apache 2.0.
- huatuo_encyclopedia_qaHugging Face card metadata · Apache-2.0 · 2026-11-12
license: apache-2.0
- Huatuo_knowledge_graph_qaHugging Face card metadata · Apache-2.0 · 2026-11-12
license: apache-2.0
- Huatuo26M-LiteHugging Face card metadata · Apache-2.0 · 2026-11-12
license: apache-2.0
- huatuo26M-testdatasetsHugging Face card metadata · Apache-2.0 · 2026-11-12
license: apache-2.0
- HuatuoGPT2-Pretraining-InstructionHugging Face card metadata · Apache-2.0 · 2026-11-12
license: apache-2.0
- HuatuoGPT2-SFT-GPT4-140KHugging Face card metadata · Apache-2.0 · 2026-11-12
license: apache-2.0
- LingLanMedBench Traditional Chinese Medicine Benchmark DatasetHugging Face card metadata · CC-BY-4.0 · 2026-11-12
license: cc-by-4.0
- medical-o1-reasoning-SFT（中文子集）Hugging Face card metadata · Apache-2.0 · 2026-11-12
license: apache-2.0
- Medical-Reasoning-SFT-MegaHugging Face card metadata · Apache-2.0 · 2026-11-12
license: apache-2.0
- GBaker/MedQA-USMLE-4-options-hfHugging Face card metadata · CC-BY-SA-4.0 · 2026-11-12
license: cc-by-sa-4.0
- MedQA-USMLE-4-optionsHugging Face card metadata · CC-BY-4.0 · 2026-11-12
license: cc-by-4.0
These are what the sources state; confirm the terms at the source before use.
Entries verified 2026-11-12 to 2026-11-14 · generated 2026-11-14 · Open in the database