What quantization actually does to models, and why Q2 breaks your agent
nickbaumann_ · x · 2026-09-25
tomgreenwald publishes a technical deep-dive on quantization: you see a new 120B model benchmarking near the frontier, download the Q2 quant that fits your Mac — and your agent falls apart. The article explains what quantization actually does to model weights and behavior, and why aggressive low-bit quants specifically degrade long-horizon, precision-sensitive agent tasks.
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