Open-source Colibri runs GLM-5.2 744B MoE on a 25GB RAM laptop
socialwithaayan · x · 2026-07-21
- An open-source pure-C runtime called colibri claims it can run GLM-5.2, a 744B MoE model, on a machine with about 25GB of RAM.
- The key idea is that only about 40B parameters are active per token, while experts are streamed from disk and a learning cache keeps the hot set resident.
- The post shows measured speeds ranging from 0.05 tok/s on a 25GB dev box to 1.8 tok/s on a 128GB CPU desktop and 5.8–6.8 tok/s on a 6× RTX 5090 setup.
- The runtime is described as single-file, zero-dependency C, with token-exact validation against a full-precision oracle and a demo that reports 9.9GB resident memory after startup.
Related event: Open-Source Colibri Runs 744B GLM-5.2 on Consumer Laptops(2 posts)→
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