Tool · Hardware calculator

Muse Spark Open hardware calculator: can my machine run it?

Choose your hardware and a quantization to estimate memory use and generation speed. Meta’s reference setup is two 512GB M5 Ultra Mac Studios.

Device Count

Quantization Context length

System RAM for CPU offload (GB)

Estimates assume decode speed is bound by memory bandwidth and use the published architecture. Real speed depends on the inference engine, batch size and interconnect. KV cache is an upper bound (BF16, full attention on every layer).

For setup steps, see the run-locally guide.