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gemma-2-2b-qa-raft
thesreedath/gemma-2-2b-qa-raft
gemma-2-2b-qa-raft is a machine learning model from thesreedath. Use it for the machine learning task on the model card, and read the license before you ship it in a product.
LoRA fine-tune of google/gemma-2-2b-it for retrieval-augmented QA: answer from provided context, ignore distractor passages, and refuse when the context lacks the answer. Trained on general-knowledge (fineweb-edu) que…
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At a glance
- Model type
- gemma2
- Access
- Public
- Created
- Jul 19, 2026
- Updated
- Jul 19, 2026
- SHA
- cf9befdf
Model card
From the Hugging Face model README
Gemma 2 2B - QA-SFT + RAG (RAFT)
LoRA fine-tune of google/gemma-2-2b-it for retrieval-augmented QA: answer from provided context, ignore distractor passages, and refuse when the context lacks the answer. Trained on general-knowledge (fineweb-edu) question/answer pairs with golden+distractor contexts.
Held-out eval (Gemini-Flash judge, /10): base closed-book 4.42, base+RAG 4.75, this model+RAG 6.30 (+1.88 vs base, +1.55 vs base+RAG, both p<0.001). Use it WITH retrieved context in the prompt.
- Type
- gemma2
- Created
- Jul 19, 2026
- Updated
- Jul 19, 2026