Continued pretraining vs RAG: an accuracy and performance comparison on Qwen 3.5 4B
funJS · reddit · 2026-09-12
The author compares continued pretraining (CPT) of a Qwen 3.5 4B model against a RAG implementation on the same base model, measuring accuracy and performance to quantify the benefit of internalizing knowledge vs on-the-fly retrieval. Detailed results in the linked article — useful for anyone deciding between CPT and RAG for vertical domains.
Related event: Benchmarking Continued Pretraining vs RAG on Qwen 3.5 4B(4 posts)→
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