Phi-4-reasoning-plus 14B needs ~18.0 GB VRAM. RTX A6000 48GB has 48.0 GB. With Q4_K_M quantization, expect ~70 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
70.0 tok/s
TTFT
2767 ms
Safe context
33K
Memory
18.0 GB / 48.0 GB
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | S | Runs well | 70.0 tok/s | 1509 ms | 33K |
| Coding | S | Runs well | 70.0 tok/s | 2767 ms | 33K |
| Agentic Coding | S | Runs well | 70.0 tok/s | 4024 ms | 33K |
| Reasoning | S | Runs well | 70.0 tok/s | 3270 ms | 33K |
| RAG | S | Runs well | 70.0 tok/s | 5030 ms | 33K |
How Phi-4-reasoning-plus 14B (14.699999809265137B params) fits at each quantization level on RTX A6000 48GB (48.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 5.7 GB | Low | A82 |
Q3_K_S | 3 | 7.2 GB | Low | A82 |
NVFP4 | 4 | 8.2 GB | Medium | A82 |
Q4_K_M | 4 | 9.0 GB | Medium | A82 |
Q5_K_M | 5 | 10.6 GB | High | A83 |
Q6_K | 6 | 12.1 GB | High | A83 |
Q8_0 | 8 | 15.7 GB | Very High | A84 |
F16Best for your GPU | 16 | 30.1 GB | Maximum | S88 |
Copy-paste commands to run Phi-4-reasoning-plus 14B on your machine.
Run
ollama run phi4-reasoningYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
 Qwen3-Coder 30B A3B Instruct | 30.5B | S | 88.3 tok/s | |
| Qwen 3.5 27B | 27B | S | 38.3 tok/s | |
| Qwen 3.6 27B | 27B | S | 38.4 tok/s | |
| Qwen 3.6 35B A3B | 35B | S | 74.2 tok/s | |
| Qwen3-VL 30B A3B Instruct | 30B | S | 91.3 tok/s |
Yes, RTX A6000 48GB can run Phi-4-reasoning-plus 14B with a S grade (Runs well). Expected decode speed: 70.0 tok/s.
Phi-4-reasoning-plus 14B (14.699999809265137B parameters) requires approximately 18.0 GB of memory with Q4_K_M quantization.
The recommended quantization for Phi-4-reasoning-plus 14B is Q4_K_M, which balances quality and memory efficiency.
On RTX A6000 48GB, Phi-4-reasoning-plus 14B achieves approximately 70.0 tokens per second decode speed with a time-to-first-token of 2767ms using Q4_K_M quantization.
For coding workloads, Phi-4-reasoning-plus 14B on RTX A6000 48GB receives a S grade with 70.0 tok/s and 33K context.
On RTX A6000 48GB, Phi-4-reasoning-plus 14B can safely use up to 33K tokens of context. The model's official context limit is 33K, 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/phi-4-reasoning-plus-14b-on-a6000-48gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: