AI article
A 3B model that beats a 7B: failure-driven orchestration on uncontaminated knowledge
Community description: How a fully sovereign QA stack — local Wikipedia index, distilled Qwen2.5-3B reader, and crutches...
Dev.to | Oct 1, 2026 | Jeffrey Turov
Automated excerpt
Why "post-cutoff": most retrieval benchmarks measure memory, not retrieval HotpotQA (2018) sits inside the training data of every 2024 model. Final control: naked model = 0. 0% [0–2. 5]. The capstone: 3B trained + orchestrated vs 7B zero-shot Same chain, same questions, same matcher, same deterministic gates.
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