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Can a M3 Max (40c GPU) 128GB run SmolLM2 135M?

Yes. SmolLM2 135M fits in fast memory on M3 Max (40c GPU) 128GB at FP16 (0.9 GB needed, 96.0 GB usable), about 1185 tok/s (estimate).

Hardware: M3 Max (40c GPU) 128GB · Model: SmolLM2 135M

M3 Max (40c GPU) 128GB has 128 GB of unified memory and 400 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 96.0 GB. SmolLM2 135M (0.135B, HuggingFace) at FP16 is a 0.27 GB download and needs 0.9 GB with headroom for about 8k tokens.

Best quantFP16
Download size0.27 GB
Memory needed0.9 GB
Usable fast memory96.0 GB
Fitfits in fast memory
Estimated speed~1185 tok/s (estimate)
Commandollama run smollm2:135m
Open M3 Max (40c GPU) 128GB 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.

A project by OnDevice Labs · llms.txt