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Kimi K3 in 8 GB of RAM: Why 28x More Memory Buys Only 1.7x Speed, and the Byte Math That Predicts It

This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.

TL;DR An open-source C engine called kimi-k3-in-c runs the 2.78-trillion-parameter Kimi K3 on one CPU in 8.24 GB of RAM. It is slow, 26.5 seconds per token on the project's fastest-drive machine, and its own numbers say something useful for anyone shipping on-device models: going from 8 GB to 224 G…

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  1. 2026-11-05 14:47 · DEV Community — AI
    Kimi K3 in 8 GB of RAM: Why 28x More Memory Buys Only 1.7x Speed, and the Byte Math That Predicts It

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