Can Codestral 2 25.08 run on Mac Studio M2 Ultra 64GB?
YES — Runs Great
Codestral 2 25.08 needs ~23.7 GB VRAM. Mac Studio M2 Ultra 64GB has 46.1 GB. With Q4_K_M quantization, expect ~35 tok/s.
Operating mode
Choose the run profile you care about
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
34.9 tok/s
TTFT
5541 ms
Safe context
163K
Memory
23.7 GB / 46.1 GB
Memory breakdown
See how fast it feels
What limits this setup
This setup is broadly balanced for this model.
Shared-memory contention still exists
The OS, browser, and inference runtime all compete for the same physical memory pool, so real-world headroom is less forgiving than raw capacity suggests.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | A | Runs well | 34.9 tok/s | 3022 ms | 163K |
| Coding | A | Runs well | 34.9 tok/s | 5541 ms | 163K |
| Agentic Coding | S | Runs well | 34.9 tok/s | 8060 ms | 163K |
| Reasoning | A | Runs well | 34.9 tok/s | 6549 ms | 163K |
| RAG | S | Runs well | 34.9 tok/s | 10075 ms | 163K |
Quantization options
How Codestral 2 25.08 (22B params) fits at each quantization level on Mac Studio M2 Ultra 64GB (46.1 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 8.6 GB | Low | A77 |
Q3_K_S | 3 | 10.8 GB | Low | A78 |
NVFP4 | 4 | 12.3 GB | Medium | A78 |
Q4_K_M | 4 | 13.4 GB | Medium | A78 |
Q5_K_M | 5 | 15.8 GB | High | A79 |
Q6_K | 6 | 18.0 GB | High | A80 |
Q8_0Best for your GPU | 8 | 23.5 GB | Very High | A82 |
F16 | 16 | 45.1 GB | Maximum | F0 |
Get started
Copy-paste commands to run Codestral 2 25.08 on your machine.
Run
lms load codestral-2508 && lms server startYour hardware
