Can I Run Qwen 3.5 on Apple M3 Pro?
Written by Jakub Rusinowski · Last updated September 29, 2026
Yes, comfortably — Qwen 3.5 35B-A3B at Q4_K_M needs 23.8 GB at 8K context (21.1 GB weights + 2.7 GB KV cache/overhead), leaving ~3.2 GB of the Apple M3 Pro's 27 GB usable memory, at ~28 tok/s (est.), with room for up to 16K context.
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Apple M3 Pro Specs
| VRAM | 36 GB unified memory |
| Memory Bandwidth | 153 GB/s |
Qwen 3.5 35B-A3B on the Apple M3 Pro: VRAM by quantization
| Quant | VRAM needed | Fits 36 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 72.7 GB | ✗ No | — | — |
| Q8_0 | 39.9 GB | ✗ No | — | Build for this |
| Q6_K | 31.4 GB | ✗ No | — | — |
| Q5_K_M | 27.5 GB | ✗ No | — | Build for this |
| Q4_K_M | 23.8 GB | ✓ Yes | 16K | Build for this |
| Q3_K_M | 17.6 GB | ✓ Yes | 32K | — |
| Q2_K | 14.2 GB | ✓ Yes | 32K | — |
Assumes an 8K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 36 GB of unified memory. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4_K_M on the Apple M3 Pro: 8K 23.8 GB · 32K 29.4 GB ✗ · 128K 52 GB ✗. Past 32K it no longer fits 36 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? Qwen 3.5 35B-A3B on 32 GB of system RAM, CPU only: runs, but it is tight.
Qwen 3.5 Sizes That Fit the Apple M3 Pro (at 8K context)
| Qwen 3.5 35B-A3B | Q4_K_M · 23.8 GB at 8K context · ~28 tok/s (est.) |
| Qwen 3.5 27B | Q4_K_M · 18.8 GB at 8K context · ~5 tok/s (est.) |
| Qwen 3.5 9B | Q4_K_M · 6.5 GB at 8K context · ~14 tok/s (est.) |
| Qwen 3.5 4B | Q4_K_M · 3.5 GB at 8K context · ~30 tok/s (est.) |
| Qwen 3.5 2B | Q4_K_M · 2.7 GB at 8K context · ~46 tok/s (est.) |
| Qwen 3.5 0.8B | Q4_K_M · 1.8 GB at 8K context · ~84 tok/s (est.) |
Qwen 3.5 needs ~24 GB but this GPU has 36 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
FAQ
Is the Apple M3 Pro enough to run Qwen 3.5 locally?
Yes, comfortably — Qwen 3.5 35B-A3B at Q4_K_M needs 23.8 GB at 8K context (21.1 GB weights + 2.7 GB KV cache/overhead), leaving ~3.2 GB of the Apple M3 Pro's 27 GB usable memory, at ~28 tok/s (est.), with room for up to 16K context.
What's the best Qwen 3.5 size for the Apple M3 Pro?
Qwen 3.5 35B-A3B at Q4_K_M quantization needs 23.8 GB at 8K context (21.1 GB weights + 2.7 GB KV cache/overhead), estimated ~28 tokens/sec, up to 16K context.
Every Qwen 3.5 size on the Apple M3 Pro
| Size | VRAM at 8K | Verdict | Speed |
|---|---|---|---|
| Qwen 3.5 397B-A17B | 139 GB | Does not fit | — |
| Qwen 3.5 122B-A10B | 77.3 GB | Does not fit | — |
| Qwen 3.5 35B-A3B | 23.8 GB | Runs | ~28 tok/s |
| Qwen 3.5 27B | 18.8 GB | Runs | ~5 tok/s |
| Qwen 3.5 9B | 6.5 GB | Runs | ~14 tok/s |
| Qwen 3.5 4B | 3.5 GB | Runs | ~30 tok/s |
| Qwen 3.5 2B | 2.7 GB | Runs | ~46 tok/s |
| Qwen 3.5 0.8B | 1.8 GB | Runs | ~84 tok/s |
Qwen 3.5 on Other GPUs
- Qwen 3.5 on NVIDIA GeForce RTX 5090
- Qwen 3.5 on Apple M4
- Qwen 3.5 on Apple M2 Pro
- Qwen 3.5 on Apple M1 Pro
- Qwen 3.5 on Apple M5
Popular Models on the Apple M3 Pro
VRAM Tier
Troubleshooting
Buying Guide
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