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What is the mathematical difference between LoRA and full fine-tuning when adapting open source models on limited hardware?

ChatGPTgpt-61 query11/1/2026
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What is the mathematical difference between LoRA and full fine-tuning when adapting open source models on limited hardware?
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LoRA Low-Rank Adaptation of Large Language Models original paper trainable parameters memory frozen weightsGoogle ↗
OBSERVEDReason

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Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

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ChatGPT1 real searches · gpt-6
LoRA Low-Rank Adaptation of Large Language Models original paper trainable parameters memory frozen weights Google ↗

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Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
LoRA Low-Rank Adaptation of Large Language Models original paper trainable parameters memory frozen weights
OBSERVED
Google ↗
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