Does knowledge consolidation pay its training bill? A 6-step test protocol
krishnan · x · 2026-10-29
The final posts of a six-tweet thread by @krishnan on whether LLMs should bake new knowledge into weights (consolidation) or rely on retrieval.
- Tweet 5: compare against retrieval before assuming consolidation should replace it; some knowledge changes too fast to bake into weights, and learning that changes behavior may differ in value from document recall.
- Tweet 6: give both systems the same updates, including corrections to earlier facts; measure new-fact accuracy, retention of old capabilities, and total compute cost — does consolidation earn its extra training bill?
Related event: Researcher Weighs Knowledge Consolidation vs. Retrieval in LLMs(2 posts)→
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