AI article
Fine-tuning a 7B model needs 112 GB. The model is only 14 GB of it.
Community description: Ask how much memory it takes to fine-tune a 7B model and the instinct is "the model's 14 GB in fp16,...
Dev.to | Oct 3, 2026 | Arun Kumar
Automated excerpt
Per parameter, mixed-precision training with Adam holds: Sixteen bytes per parameter. Fine-tuning memory isn't dominated by the model. LoRA leaves one big cost standing: the frozen base still needs 14 GB at fp16.
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