OpenHermes 2.5 7B needs ~12.3 GB VRAM. MacBook Pro M4 Pro 48GB has 34.6 GB. With Q4_K_M quantization, expect ~49 tok/s.
Operating mode
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
48.7 tok/s
TTFT
3976 ms
Safe context
8K
Memory
12.3 GB / 34.6 GB
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.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | C | Runs well | 48.7 tok/s | 2169 ms | 8K |
| Coding | C | Runs well | 48.7 tok/s | 3976 ms | 8K |
| Agentic Coding | C | Runs well | 48.7 tok/s | 5784 ms | 8K |
| Reasoning | C | Runs well | 48.7 tok/s | 4699 ms | 8K |
| RAG | C | Runs well | 48.7 tok/s | 7230 ms | 8K |
How OpenHermes 2.5 7B (7B params) fits at each quantization level on MacBook Pro M4 Pro 48GB (34.6 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 2.7 GB | Low | C43 |
Q3_K_S | 3 | 3.4 GB | Low | C44 |
NVFP4 | 4 |
Copy-paste commands to run OpenHermes 2.5 7B on your machine.
Run
ollama run openhermesUpgrade options
Raises estimated decode speed by about 101%.
Adds memory headroom for longer context windows and future model growth.
~$3,999 MSRP
Raises estimated decode speed by about 94%.
Adds memory headroom for longer context windows and future model growth.
~$3,999 MSRP
Raises estimated decode speed by about 101%.
Adds memory headroom for longer context windows and future model growth.
~$3,999 MSRP
Yes, MacBook Pro M4 Pro 48GB can run OpenHermes 2.5 7B with a C grade (Runs well). Expected decode speed: 48.7 tok/s.
OpenHermes 2.5 7B (7B parameters) requires approximately 12.3 GB of memory with Q4_K_M quantization.
The recommended quantization for OpenHermes 2.5 7B is Q4_K_M, which balances quality and memory efficiency.
On MacBook Pro M4 Pro 48GB, OpenHermes 2.5 7B achieves approximately 48.7 tokens per second decode speed with a time-to-first-token of 3976ms using Q4_K_M quantization.
For coding workloads, OpenHermes 2.5 7B on MacBook Pro M4 Pro 48GB receives a C grade with 48.7 tok/s and 8K context.
On MacBook Pro M4 Pro 48GB, OpenHermes 2.5 7B can safely use up to 8K tokens of context. The model's official context limit is 8K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/openhermes-2.5-7b-on-m4-pro-48gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
3.9 GB |
| Medium |
| C44 |
Q4_K_M | 4 | 4.3 GB | Medium | C44 |
Q5_K_M | 5 | 5.0 GB | High | C44 |
Q6_K | 6 | 5.7 GB | High | C44 |
Q8_0 | 8 | 7.5 GB | Very High | C45 |
F16Best for your GPU | 16 | 14.3 GB | Maximum | C48 |
Not always. MacBook Pro M4 Pro 48GB can often fit larger models thanks to unified memory, but a discrete GPU with dedicated high-bandwidth VRAM may still decode faster once the model fits. For this combination, the important distinction is capacity versus sustained throughput.