Can Qwen2.5 1.5B Instruct run on NVIDIA H200 PCIe 141GB?

YES — Runs Great

D40Poor

Estimated from fit model

Qwen2.5 1.5B Instruct needs ~16.4 GB VRAM. NVIDIA H200 PCIe 141GB has 141.0 GB. With Q4_K_M quantization, expect ~21 tok/s.

Runtime: OllamaCapacity: RoomyBandwidth: HighStack: BasicBottleneck: Balanced

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.

Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) — 16.4 GB, 21.0 tok/s, Runs well

16.4 GB required141.0 GB available

12% VRAM used

Fit status

Runs well

Decode

21.0 tok/s

TTFT

9219 ms

Safe context

11.4M

Memory

16.4 GB / 141.0 GB

Memory breakdown

Weights0.9 GB

KV Cache0.2 GB

Runtime1.2 GB

Headroom14.1 GB

See how fast it feels

See how fast it feelsQwen2.5 1.5B Instruct on NVIDIA H200 PCIe 141GB
1st promptCold start — includes initialization
>What is local AI inference?
Local AI inference means running an AI language model directly on your own hardware — your laptop, desktop, or server — instead of sending requests to a remote cloud API.

When you run inference locally the model weights are loaded into your GPU or unified memory. Each token you generate requires reading those weights from memory, so memory bandwidth is the main bottleneck for decode speed.

Key benefits of running locally:
  - Full privacy: your prompts never leave your machine
  - No per-token cost or rate limits
  - Works offline once the model is downloaded
  - Latency depends only on your hardware
2nd promptWarm — model ready, no init overhead
>How much VRAM do I need?
It depends on the model size and quantization level. A rough rule of thumb:

  Model size     Q4 (4-bit)    Q8 (8-bit)    FP16
  7B params      ~4.3 GB       ~7.5 GB       ~14 GB
  13B params     ~7.9 GB       ~13.9 GB      ~26 GB
  70B params     ~42.7 GB      ~74.9 GB      ~140 GB

Most people use 4-bit quantization (Q4_K_M) which gives 90-95% of full quality at a fraction of the memory. A 24 GB GPU can comfortably run most 7B-13B models.
Estimated: 21.0 tok/s decode · 9.2s TTFT (warm) · 53 tok/s prefill

What limits this setup

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.

Best improvement path

Performance by workload

Workload	Grade	Fit	Decode	TTFT	Context
Chat	D	Runs well	21.0 tok/s	5029 ms	10.0M
Coding	D	Runs well	21.0 tok/s	9219 ms	11.4M
Agentic Coding	D	Runs well	21.0 tok/s	13410 ms	11.4M
Reasoning	D	Runs well	21.0 tok/s	10895 ms	11.4M
RAG	D	Runs well	21.0 tok/s	16762 ms	11.4M

Quantization options

How Qwen2.5 1.5B Instruct (1.5B params) fits at each quantization level on NVIDIA H200 PCIe 141GB (141.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	0.6 GB	Low	D38
Q3_K_S	3	0.7 GB	Low	D38
NVFP4	4

Get started

Copy-paste commands to run Qwen2.5 1.5B Instruct on your machine.

Run

lms load hf-qwen--qwen2-5-1-5b-instruct-gguf && lms server start

Upgrade options

Hardware that runs Qwen2.5 1.5B Instruct well

Mac Studio M3 Ultra 256GBBudget pick

256 GB Unified (+115)

Adds memory headroom for longer context windows and future model growth.21 tok/s decode

Adds memory headroom for longer context windows and future model growth.

~$6,999 MSRP

Frequently asked questions

Can NVIDIA H200 PCIe 141GB run Qwen2.5 1.5B Instruct?

Yes, NVIDIA H200 PCIe 141GB can run Qwen2.5 1.5B Instruct with a D grade (Runs well). Expected decode speed: 21.0 tok/s.

How much VRAM does Qwen2.5 1.5B Instruct need?

Qwen2.5 1.5B Instruct (1.5B parameters) requires approximately 16.4 GB of memory with Q4_K_M quantization.

What is the best quantization for Qwen2.5 1.5B Instruct?

The recommended quantization for Qwen2.5 1.5B Instruct is Q4_K_M, which balances quality and memory efficiency.

What speed will Qwen2.5 1.5B Instruct run at on NVIDIA H200 PCIe 141GB?

On NVIDIA H200 PCIe 141GB, Qwen2.5 1.5B Instruct achieves approximately 21.0 tokens per second decode speed with a time-to-first-token of 9219ms using Q4_K_M quantization.

Can NVIDIA H200 PCIe 141GB run Qwen2.5 1.5B Instruct for coding?

For coding workloads, Qwen2.5 1.5B Instruct on NVIDIA H200 PCIe 141GB receives a D grade with 21.0 tok/s and 11.4M context.

What context window can Qwen2.5 1.5B Instruct use on NVIDIA H200 PCIe 141GB?

On NVIDIA H200 PCIe 141GB, Qwen2.5 1.5B Instruct can safely use up to 11.4M tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

See all results for NVIDIA H200 PCIe 141GB See all hardware for Qwen2.5 1.5B Instruct

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