Will DeepSeek-V4.1-Flash fit on a 512GB Mac Studio (M3 Ultra)?

No MLX conversion found yet. At 4-bit, 763B parameters works out to ~355 GiB, which would fit.

deepseek-ai/DeepSeek-V4.1-Flash: 763B parameters. License: mit.

Sizes: sum of .safetensors files from the Hugging Face API (Oct 2026). "GPU limit" is iogpu.wired_limit_mb=480000, already set on our Studios. Newer architectures may need a recent mlx-lm or llama.cpp; check before you book around one model.

Run it

uv venv ~/mlx && uv pip install --python ~/mlx/bin/python -U mlx-lm
~/mlx/bin/mlx_lm.chat --model &lt;repo&gt;

Try it on a whole 512GB M3 Ultra Mac Studio

3 days $299 · 7 days $489 · 14 days $779. Bare metal, one renter per machine, mlx-lm and llama.cpp ready.

Check availability & book