HelpingAI 15B i1 needs ~25.6 GB VRAM. MacBook Pro M4 Max 128GB has 92.2 GB. With Q4_K_M quantization, expect ~35 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
34.7 tok/s
TTFT
5573 ms
Safe context
622K
Memory
25.6 GB / 92.2 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 | 34.7 tok/s | 3040 ms | 622K |
| Coding | C | Runs well | 34.7 tok/s | 5573 ms | 622K |
| Agentic Coding | C | Runs well | 34.7 tok/s | 8107 ms | 622K |
| Reasoning | C | Runs well | 34.7 tok/s | 6587 ms | 622K |
| RAG | C | Runs well | 34.7 tok/s | 10133 ms | 622K |
How HelpingAI 15B i1 (15B params) fits at each quantization level on MacBook Pro M4 Max 128GB (92.2 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 5.9 GB | Low | D39 |
Q3_K_S | 3 | 7.4 GB | Low | D39 |
NVFP4 | 4 |
Copy-paste commands to run HelpingAI 15B i1 on your machine.
Run
lms load hf-mradermacher--helpingai-15b-i1-gguf && lms server startUpgrade options
Raises estimated decode speed by about 76%.
Adds memory headroom for longer context windows and future model growth.
~$6,999 MSRP
Raises estimated decode speed by about 505%.
Adds memory headroom for longer context windows and future model growth.
~$8,000 MSRP
Yes, MacBook Pro M4 Max 128GB can run HelpingAI 15B i1 with a C grade (Runs well). Expected decode speed: 34.7 tok/s.
HelpingAI 15B i1 (15B parameters) requires approximately 25.6 GB of memory with Q4_K_M quantization.
The recommended quantization for HelpingAI 15B i1 is Q4_K_M, which balances quality and memory efficiency.
On MacBook Pro M4 Max 128GB, HelpingAI 15B i1 achieves approximately 34.7 tokens per second decode speed with a time-to-first-token of 5573ms using Q4_K_M quantization.
For coding workloads, HelpingAI 15B i1 on MacBook Pro M4 Max 128GB receives a C grade with 34.7 tok/s and 622K context.
On MacBook Pro M4 Max 128GB, HelpingAI 15B i1 can safely use up to 622K tokens of context. The model's official context limit is —, 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/hf-mradermacher--helpingai-15b-i1-gguf-on-m4-max-128gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
8.4 GB |
| Medium |
| D39 |
Q4_K_M | 4 | 9.2 GB | Medium | D39 |
Q5_K_M | 5 | 10.8 GB | High | D39 |
Q6_K | 6 | 12.3 GB | High | D39 |
Q8_0 | 8 | 16.1 GB | Very High | D40 |
F16Best for your GPU | 16 | 30.7 GB | Maximum | C42 |
Not always. MacBook Pro M4 Max 128GB 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.