Compatibility Check
Can I Run Step 3.5 Flash on Apple M3 Max?
Yes — Apple M3 Max runs Step 3.5 Flash fully on GPU at the Q4_K_M quantization.
Estimated ~3.3 tokens/sec on the Q4_K_M quantization.
Full GPU
Best variant: Q4_K_M
Full GPU inference — 128 GB VRAM meets the 127.4 GB recommendation.
- GPU VRAM
- 128 GB
- Min VRAM (best fit)
- 112.7 GB
- Recommended VRAM
- 127.4 GB
- Estimated tok/s
- ~3.3
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Every Step 3.5 Flash quantization on Apple M3 Max
Each row runs the compatibility engine against your VRAM, RAM, and the model's requirements.
| Quantization | File Size | Min VRAM | Rec VRAM | Context | Verdict | Estimated tok/s |
|---|---|---|---|---|---|---|
| Q4_K_MBest fit | 98 GB | 112.7 GB | 127.4 GB | 8K / 8K | Full GPU | ~3.3 |
| Q5_K_M | 122.5 GB | 140.9 GB | 159.3 GB | 8K / 8K | Can't Run | — |
| Q8_0 | 196 GB | 225.4 GB | 254.8 GB | 8K / 8K | Can't Run | — |
| FP16 | 392 GB | 450.8 GB | 509.6 GB | 8K / 8K | Can't Run | — |
Apple M3 Max is solid pick for Step 3.5 Flash
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