Can Yi Coder 1.5B Chat run on NVIDIA L40S 48GB?

YES — Runs Great

C41Usable
Estimated from fit model

Yi Coder 1.5B Chat needs ~6.8 GB VRAM. NVIDIA L40S 48GB has 48.0 GB. With Q4_K_M quantization, expect ~24 tok/s.

Runtime: llama.cppCapacity: RoomyBandwidth: HighStack: StandardBottleneck: Balanced
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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) 6.8 GB, 24.0 tok/s, Runs well
6.8 GB required48.0 GB available
14% VRAM used

Fit status

Runs well

Decode

24.0 tok/s

TTFT

8067 ms

Safe context

3.8M

Memory

6.8 GB / 48.0 GB

Memory breakdown

Weights0.9 GB
KV Cache0.2 GB
Runtime0.9 GB
Headroom4.8 GB

See how fast it feels

See how fast it feelsYi Coder 1.5B Chat on NVIDIA L40S 48GB
1st promptCold start — includes initialization
>Write a Python function to sort a list
Here's a Python function that sorts a list using quicksort: def quicksort(arr): if len(arr) <= 1: return arr pivot = arr[len(arr) // 2] left = [x for x in arr if x < pivot] middle = [x for x in arr if x == pivot] right = [x for x in arr if x > pivot] return quicksort(left) + middle + quicksort(right) # Example usage numbers = [3, 6, 8, 10, 1, 2, 1] print(quicksort(numbers)) # [1, 1, 2, 3, 6, 8, 10] The algorithm picks a pivot, partitions the list into smaller, equal, and larger elements, then recursively sorts each partition and concatenates the results.
2nd promptWarm — model ready, no init overhead
>Now add type hints and a docstring
def quicksort(arr: list[int]) -> list[int]: """Sort a list using the quicksort algorithm. Args: arr: List of integers to sort. Returns: A new sorted list. """ if len(arr) <= 1: return arr pivot = arr[len(arr) // 2] left = [x for x in arr if x < pivot] middle = [x for x in arr if x == pivot] right = [x for x in arr if x > pivot] return quicksort(left) + middle + quicksort(right) Added type hints for the input and return type, plus a Google-style docstring.
Estimated: 24.0 tok/s decode · 8.1s TTFT (warm) · 60 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

WorkloadGradeFitDecodeTTFTContext
ChatCRuns well24.0 tok/s4400 ms3.3M
CodingCRuns well24.0 tok/s8067 ms3.8M
Agentic CodingCRuns well24.0 tok/s11733 ms3.8M
ReasoningCRuns well24.0 tok/s9533 ms3.8M
RAGCRuns well24.0 tok/s14667 ms3.8M

Quantization options

How Yi Coder 1.5B Chat (1.5B params) fits at each quantization level on NVIDIA L40S 48GB (48.0 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
0.6 GB
LowC41
Q3_K_S
3
0.7 GB
LowC41
NVFP4
4
0.8 GB
MediumC41
Q4_K_M
4
0.9 GB
MediumC41
Q5_K_M
5
1.1 GB
HighC41
Q6_K
6
1.2 GB
HighC41
Q8_0
8
1.6 GB
Very HighC41
F16Best for your GPU
16
3.1 GB
MaximumC42

Get started

Copy-paste commands to run Yi Coder 1.5B Chat on your machine.

Run

lms load hf-maziyarpanahi--yi-coder-1-5b-chat-gguf && lms server start

アップグレードオプション

Yi Coder 1.5B Chatを快適に動かすハードウェア

Frequently asked questions

Can NVIDIA L40S 48GB run Yi Coder 1.5B Chat?

Yes, NVIDIA L40S 48GB can run Yi Coder 1.5B Chat with a C grade (Runs well). Expected decode speed: 24.0 tok/s.

How much VRAM does Yi Coder 1.5B Chat need?

Yi Coder 1.5B Chat (1.5B parameters) requires approximately 6.8 GB of memory with Q4_K_M quantization.

What is the best quantization for Yi Coder 1.5B Chat?

The recommended quantization for Yi Coder 1.5B Chat is Q4_K_M, which balances quality and memory efficiency.

What speed will Yi Coder 1.5B Chat run at on NVIDIA L40S 48GB?

On NVIDIA L40S 48GB, Yi Coder 1.5B Chat achieves approximately 24.0 tokens per second decode speed with a time-to-first-token of 8067ms using Q4_K_M quantization.

Can NVIDIA L40S 48GB run Yi Coder 1.5B Chat for coding?

For coding workloads, Yi Coder 1.5B Chat on NVIDIA L40S 48GB receives a C grade with 24.0 tok/s and 3.8M context.

What context window can Yi Coder 1.5B Chat use on NVIDIA L40S 48GB?

On NVIDIA L40S 48GB, Yi Coder 1.5B Chat can safely use up to 3.8M tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

See all results for NVIDIA L40S 48GBSee all hardware for Yi Coder 1.5B Chat
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