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Yes. Ornith-1.5 35B-A3B (MoE) fits in fast memory on M2 Ultra 64GB at Default (24.8 GB needed, 48.0 GB usable), about 162 tok/s (estimate).
Hardware: M2 Ultra 64GB · Model: Ornith-1.5 35B-A3B (MoE)
M2 Ultra 64GB has 64 GB of unified memory and 800 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 48.0 GB. Ornith-1.5 35B-A3B (MoE) (35B, 3B active, Ornith) at Default is a 23 GB download and needs 24.8 GB with headroom for about 8k tokens.
| Best quant | Default |
|---|---|
| Download size | 23 GB |
| Memory needed | 24.8 GB |
| Usable fast memory | 48.0 GB |
| Fit | fits in fast memory |
| Estimated speed | ~162 tok/s (estimate) |
| Command | ollama run ornith-1.5:35b |
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