Safetensors
Binary format for storing model weights
Episodes
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#6191: What Actually Happens During Fine-TuningSixteen bytes per parameter in, two out — a walk through the forward pass, backward pass, and optimizer that turn a dataset into new weights. -
#5416: Xet, Buckets, and Auto-Pulling Model WeightsHugging Face swapped its storage backend to Xet with barely a ripple. So why can't a bucket auto-pull new upstream weights? -
#4670: Why AI Weights Are IndecipherableCan you actually read an AI model's weights like a book? We explore why the answer is mostly no — and what researchers are doing about it. -
#1943: The Invisible Math Shrinking AI ModelsLZMA, Zstandard, and Brotli are shrinking massive AI models, but how do they actually work? -
#176: What Are AI Weights, Really?What actually happens inside an AI model? Corn and Herman break down the numerical "valves" and "knobs" that power modern intelligence. -
#3: Safetensors or something else: STT inference formats explainedUnpacking ASR weight formats: Safetensors and beyond. Tune in to understand the distinctions.