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Can a M2 Max (30c GPU) 32GB run Laya 421M (Convai, decision)?

Yes. Laya 421M (Convai, decision) fits in fast memory on M2 Max (30c GPU) 32GB at BF16 (1.5 GB needed, 24.0 GB usable), about 381 tok/s (estimate).

Hardware: M2 Max (30c GPU) 32GB · Model: Laya 421M (Convai, decision)

M2 Max (30c GPU) 32GB has 32 GB of unified memory and 400 GB/s of memory bandwidth. M1 Max (24c GPU) 32GB and M1 Max (32c GPU) 32GB and M2 Max (38c GPU) 32GB have the same memory and bandwidth, so the fit numbers match; this page is M2 Max (30c GPU) 32GB. The checker leaves macOS a share of unified memory, so Ollama can use 24.0 GB. Laya 421M (Convai, decision) (0.421B, Convai Innovations) at BF16 is a 0.84 GB download and needs 1.5 GB with headroom for about 8k tokens.

Best quantBF16
Download size0.84 GB
Memory needed1.5 GB
Usable fast memory24.0 GB
Fitfits in fast memory
Estimated speed~381 tok/s (estimate)
Commandollama run laya:421m-english-bf16
Open M2 Max (30c GPU) 32GB in the checker

Estimates, not benchmarks. Model sizes are ollama.com download sizes; memory needed adds headroom for ~8k tokens of context; speeds are rough figures from memory bandwidth. Data updated 2026-10-23.

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