What can Apple Mac Studio (M3 Ultra) run for reasoning?
Build: Mac Studio M3 Ultra 256GB
Runs comfortably114 models
Ranked by fit for reasoning use case + predicted speed. Click a row for VRAM breakdown.
Quant: Q4_K_MContext: 8,192VRAM: 9.7 GBHeadroom: 238.3 GB108tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 9.7 GBHeadroom: 238.3 GBollama run RefinedNeuro/RN_TR_R1:latest108tok/sEstimated
ollama run RefinedNeuro/RN_TR_R1:latestQuant: Q4_K_MContext: 8,192VRAM: 9.4 GBHeadroom: 238.6 GB108tok/sEstimated
Quant: Q8_0Context: 8,192VRAM: 12.5 GBHeadroom: 235.5 GBollama run deepseek-r1:7b70tok/sEstimated
ollama run deepseek-r1:7bQuant: Q4_K_MContext: 2,048VRAM: 206.1 GBHeadroom: 41.9 GB67tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 16.3 GBHeadroom: 231.7 GBollama run phi4-reasoning:14b62tok/sEstimated
ollama run phi4-reasoning:14bQuant: Q4_K_MContext: 8,192VRAM: 16.3 GBHeadroom: 231.7 GBollama run deepseek-r1:14b62tok/sEstimated
ollama run deepseek-r1:14bQuant: Q4_K_MContext: 4,096VRAM: 6.9 GBHeadroom: 241.1 GB124tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 8.6 GBHeadroom: 239.4 GB124tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 34.0 GBHeadroom: 214.0 GB28tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 36.5 GBHeadroom: 211.5 GBollama run qwq:32b27tok/sEstimated
ollama run qwq:32bQuant: Q4_K_MContext: 8,192VRAM: 9.7 GBHeadroom: 238.3 GBollama run RefinedNeuro/RN_TR_R2:latest108tok/sEstimated
ollama run RefinedNeuro/RN_TR_R2:latestWhat if you upgraded?
Hypothetical scenarios. We re-ran the compatibility engine for each.
Move up an Apple memory tier
Varies by configuration. Check Apple's current pricing
On Apple Silicon, more unified memory is the only path forward — VRAM and system RAM are the same pool.
Won't runtop 5 popular models
Need more memory than you have. Shown for orientation.
Needs ~1024 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
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Needs ~1024 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
Needs ~420 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
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Needs ~420 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
Needs ~420 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
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Needs ~420 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
Needs ~700 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
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Needs ~700 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
Needs ~280 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
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Needs ~280 GB unified memory minimum at smallest quant; you have 248 GB available after OS overhead.
Not enough VRAM for these models? Rent a GPU by the hour
The models above need more memory than 256 GB unified memory. You can rent a GPU with enough VRAM by the hour to run one of them, or to test it before you buy hardware. For daily use, owning a card usually costs less over time.
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How to read these numbers
Want a specific benchmark we don't have? Email Contact support and we'll prioritize it.