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What LLMs can the Mac Studio M5 Ultra 512GB (512 GB) run?

Mac

Data updated . Last reviewed the same day, when this catalog snapshot was written.

Macs share unified memory with macOS. This catalog treats 70% as available for weights and a modest KV cache. MLX and llama.cpp are the usual local runtimes.

Unified memory
512 GB
Usable
358 GB
Bandwidth
1,200 GB/s
List price
Varies
Year
2026
Q4 models
46/49

Apple said the 512GB configuration arrives in late October 2026. No single list price is cited here, so this row is left out of value rankings.

Apple's published 1.2 TB/s.

Check price on Amazon for Mac Studio M5 Ultra 512GBOpen in the checker

Amazon links are affiliate searches, not live prices.

Models

Sorted with Q4 fits first. Memory figures already include the 20% overhead.

Models Mac Studio M5 Ultra 512GB can run
ModelParamsQ4Q8FP16
Llama 3.2 1B Instruct
Llama
1.24BFits0.8 GBFits1.3 GBFits3.0 GB
Llama 3.2 3B Instruct
Llama
3.21BFits2.0 GBFits3.4 GBFits7.7 GB
Phi-3.5 mini
Phi
3.82BFits5.6 GBFits7.3 GBFits9.2 GB
Phi-4 mini
Phi
3.84BFits3.6 GBFits5.2 GBFits9.2 GB
Gemma 3 4B
Gemma
4.3BFits2.5 GBFits4.1 GBFits10.3 GB
Mistral 7B Instruct v0.3
Mistral
7.25BFits5.4 GBFits8.8 GBFits17.4 GB
Qwen2.5 7B Instruct
Qwen
7.62BFits5.2 GBFits8.6 GBFits18.3 GB
Gemma 4 E4B
Gemma
8BFits5.1 GBFits8.3 GBFits19.2 GB
DeepSeek R1 Distill Llama 8B
DeepSeek
8.03BFits6.0 GBFits9.6 GBFits19.3 GB
Llama 3.1 8B Instruct
Llama
8.03BFits4.9 GBFits9.6 GBFits19.3 GB
Qwen3 8B
Qwen
8.19BFits6.2 GBFits9.9 GBFits19.7 GB
Ministral 3 8B
Mistral
8.92BFits6.3 GBFits10.2 GBFits21.4 GB
Gemma 2 9B
Gemma
9.24BFits6.8 GBFits10.7 GBFits22.2 GB
Gemma 4 12B
Gemma
12BFits7.7 GBFits13.2 GBFits28.7 GB
Gemma 3 12B
Gemma
12.2BFits7.3 GBFits12.5 GBFits29.2 GB
Mistral Nemo 12B
Mistral
12.2BFits8.8 GBFits14.4 GBFits29.4 GB
Ministral 3 14B
Mistral
13.9BFits9.6 GBFits15.7 GBFits33.5 GB
Phi-4
Phi
14.7BFits10.6 GBFits17.3 GBFits35.2 GB
Qwen3 14B
Qwen
14.8BFits10.3 GBFits17.0 GBFits35.4 GB
Qwen2.5 14B Instruct
Qwen
14.8BFits10.6 GBFits17.3 GBFits35.4 GB
gpt-oss-20b
gpt-oss
20.9B
3.6B active
Fits11.8 GBFits12.3 GBFits50.2 GB
Mistral Small 3.2 24B
Mistral
24BFits15.7 GBFits26.4 GBFits57.6 GB
Gemma 4 26B-A4B
Gemma
25.8B
3.8B active
Fits17.3 GBFits27.2 GBFits61.9 GB
Gemma 2 27B
Gemma
27.2BFits16.6 GBFits30.0 GBFits65.3 GB
Gemma 3 27B
Gemma
27.4BFits16.5 GBFits28.7 GBFits65.8 GB
Qwen3.6 27B
Qwen
27.8BFits17.4 GBFits29.1 GBFits66.7 GB
Qwen3.8 27B
Qwen
27.8BFits17.0 GBFits29.6 GBFits66.7 GB
Qwen3 30B-A3B
Qwen
30.5B
3B active
Fits19.4 GBFits33.3 GBFits73.3 GB
GLM-4.7-Flash
GLM
31.2B
3B active
Fits18.8 GBFits32.3 GBFits74.9 GB
Gemma 4 31B
Gemma
31.3BFits19.7 GBFits34.0 GBFits75.1 GB
Qwen3 32B
Qwen
32.8BFits21.9 GBFits37.0 GBFits78.6 GB
DeepSeek R1 Distill Qwen 32B
DeepSeek
32.8BFits22.0 GBFits37.0 GBFits78.6 GB
Qwen2.5 32B Instruct
Qwen
32.8BFits22.0 GBFits37.0 GBFits78.6 GB
Qwen3.6 35B-A3B
Qwen
36B
3B active
Fits22.3 GBFits37.1 GBFits86.3 GB
Mixtral 8x7B
Mistral
46.7B
12.9B active
Fits27.5 GBFits50.7 GBFits112 GB
DeepSeek R1 Distill Llama 70B
DeepSeek
70.6BFits45.2 GBFits77.7 GBFits169 GB
Llama 3.3 70B Instruct
Llama
70.6BFits42.5 GBFits75.0 GBFits169 GB
Qwen2.5 72B Instruct
Qwen
72.7BFits46.7 GBFits80.2 GBFits174 GB
Llama 4 Scout
Llama
109B
17B active
Fits65.4 GBFits115 GBFits261 GB
gpt-oss-120b
gpt-oss
117B
5.1B active
Fits63.1 GBFits63.7 GBFits280 GB
Mistral Small 4
Mistral
119B
6.5B active
Fits74.0 GBFits127 GBFits287 GB
Mixtral 8x22B
Mistral
141B
39B active
Fits87.5 GBFits151 GBFits338 GB
Qwen3 235B-A22B
Qwen
235B
22B active
Fits144 GBFits252 GBNo564 GB
DeepSeek V4 Flash
DeepSeek
291B
13B active
Fits175 GBFits4.5 GBNo698 GB
Llama 4 Maverick
Llama
402B
17B active
Fits243 GBNo426 GBNo964 GB
Llama 3.1 405B Instruct
Llama
406BFits244 GBNo487 GBNo974 GB
Mistral Large 3
Mistral
675B
41B active
No407 GBNo716 GBNo1620 GB
DeepSeek R1
DeepSeek
684B
37B active
No405 GBNo714 GBNo1643 GB
DeepSeek V4 Pro
DeepSeek
1599B
49B active
No959 GBNo1673 GBNo3837 GB