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PMC-LLaMA 13B

Medical language model instruction-tuned on PubMed Central literature.

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About

PMC-LLaMA 13B is a 13 billion parameter language model instruction-tuned for the medical domain, trained on literature from PubMed Central. It was built to answer medical questions and understand biomedical text more reliably than general-purpose models of its size.

The weights are published as axiong/PMC_LLaMA_13B on Hugging Face under an OpenRAIL license, which adds use restrictions on top of open access. It is a research artifact, not a certified clinical tool, and should not be used for real medical decisions.

Specs

Context window

Pricing

Free quota

API access

Weights

Open weights

Released

September 1, 2023

Benchmarks

Provider-reported unless a source says otherwise. Benchmarks are marketing-adjacent by nature — treat them as directional.

Use cases

medical-qaclinical-nlpbiomedical-research

Trust score — 6/10

/10 trustMetrics-checked

Scored 6/10 (metrics tier, metrics-v1). Evidence: Verified via vendor site/docs/GitHub and reputable coverage, wave 107; Trending score 55/100 from researcher assessment.

Sources