Phi-4-mini on Apple M4 Pro · 48GB

✅ Runs comfortably — Phi-4-mini 3.8B @ Q8_0
Phi-4-mini 3.8B at Q8_0 needs ~5.3 GB (weights 3.8 GB + KV 1.0 GB + overhead 512 MB @ 8K ctx) of your 33.0 GB usable (of 48.0 GB unified memory) — plenty of headroom. Expect ~30–45 tok/s (fast).
context @ Q8_0: comfortable to 128K
quantneedsspeed
✓ Q8_05.3 GB~30–45 tok/s (fast)
✓ Q5_K_M4.0 GB~40–65 tok/s (very fast)
✓ Q4_K_M3.7 GB~45–70 tok/s (very fast)
$runlocal install phi4-mini:3.8b
runlocal verdict card
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Phi-4-mini: Runs comfortably
for your own README — links back here

Same model, other machines: Apple M1 · Apple M1 Pro · Apple M2 · Apple M3 Pro · Apple M2 Pro · Apple M3 Max

Also runs on a Apple M4 Pro: Qwen3 · DeepSeek-R1 (distill) · Qwen2.5 · Mixtral 8x7B · Gemma 3

Best models for a Apple M4 Pro · 48GB →

Architecturally similar

These share Phi-4-mini's KV-cache geometry — they size memory the same way, so here's how they fit on a Apple M4 Pro · 48GB too:

modelsharesverdict here
Llama 3.1 8kv/128hd ✅ Runs (tight)
Qwen2.5-Coder 8kv/128hd ✅ Runs comfortably
Llama 3.2 8kv/128hd ✅ Runs comfortably
Llama 3.3 8kv/128hd ✅ Runs (tight)
Mistral 7B 8kv/128hd ✅ Runs comfortably
Mistral Small 3 8kv/128hd ✅ Runs comfortably
Mistral Nemo 8kv/128hd ✅ Runs comfortably
Codestral 8kv/128hd ✅ Runs comfortably

…and 7 more — see the Phi-4-mini page.

Check any combo yourself: open the checker →