FareedKhan-dev/kimi-k3-in-c
A GitHub project implementing inference for the 2.78-trillion-parameter Kimi K3 model entirely in portable C99, running on a single CPU with just 8.24 GB of RAM — no BLAS, no ML framework, no GPU required. It demonstrates extreme memory-efficient quantization and low-level serving techniques for running massive models on commodity hardware.
What it claims
The repository claims to run a 2.78-trillion-parameter Kimi K3 model doing inference on a single CPU in 8.24 GB of RAM, implemented in portable C99 with no BLAS, no framework, and no GPU. This is the substance the existing summary omits: not merely a from-scratch C reimplementation in the llama2.c spirit, but a specific claim that a multi-trillion-parameter model's forward pass fits in ~8 GB on commodity CPU hardware.
The 2.78T parameters against an 8.24 GB footprint implies aggressive quantization and/or heavy weight streaming — roughly 3 bits per parameter would already exceed that budget, so the number signals something more extreme (sparse/MoE activation, mmap'd weights read from disk, or per-layer streaming) rather than holding full weights resident. The fetched text does not spell out the mechanism, so treat the "8.24 GB of RAM" figure as a working-set claim to verify, not a statement that the whole model is loaded.
Limits
The fetched page contains only the repository's title and description line plus GitHub session boilerplate — no README body, no build or run commands, no benchmark of tokens/sec, no accuracy comparison against the reference model, and no licence. Everything below the tagline (how weights are obtained or quantized, what "K3" corresponds to given Moonshot has not publicly released a Kimi K3 at this scale, and whether outputs match a reference) is unverified from this text.
Before relying on it, check on the page itself:
- how the 8.24 GB working set is achieved (quantization scheme, disk streaming, MoE sparsity) and whether that figure includes weight storage or only active memory;
- where the weights come from and their licence;
- actual inference throughput on CPU, which for a trillion-scale model streamed from disk may be very low;
- whether the project is a functional inference engine or an educational skeleton, which the "K3" naming and the llama2.c lineage leave ambiguous.
Organisations named here
- FareedKhan-dev
Technologies named here
- Kimi K3
- C99
Related in inference

