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See what this model actually costs to serve.

Fit is always evaluated when model sizing is available. GPU rent, paid idle capacity, API crossover, and measured optimization appear only when their required evidence exists. When the API wins, the page says so.

The monthly GPU rent for Qwen2.5-0.5B-Instruct is at least $869.30 using 1 minimum replica of 1 x NVIDIA A100 PCIe 80 GB at 50,000 requests/day.

Fit is always evaluated when model sizing is available. GPU rent, paid idle capacity, API crossover, and measured optimization appear only when their required evidence exists. When the API wins, the page says so.

Model

Qwen/Qwen2.5-0.5B-Instruct

GPU

NVIDIA A100 PCIe 80 GB

Requests/day

50,000

GPU count

1

Quantization

FP16

Tokens/request

500 in, 500 out

Charts appear only when evidence existsUtilization defaults to 30%

Configure the workload

Change the inputs, then calculate a shareable result.

Hugging Face model

Utilization assumption

Defaulted to 30% so the page does not manufacture a self-hosting win.

Derived utilization

Needs throughput

Idle share paid

Needs throughput

Utilization assumption30%

A steady production service with real peaks and troughs.

At this level about 70% of every rented GPU hour sits idle, and it is billed at the same rate as a busy one.

Lower-bound floor

Monthly rent has a proven floor, not an estimate.

The throughput basis is a 100%-utilization ceiling. Real throughput can be lower and real rent can be higher, so API comparisons and cost curves stay absent.

Model

Qwen/Qwen2.5-0.5B-Instruct

Hardware

1 x NVIDIA A100 PCIe 80 GB, FP16

Memory fit

Weights and KV cache stay separate so the fit is reproducible.

1 GB
Model weights
0.1 GB
KV cache
1.3 GB
Total required
72 GB
Available
8,192 tokens
Served context used
0.2 GB
Runtime overhead
Exact transformer shape
KV cache method

vLLM deployment starting point

This line starts the selected vLLM shape. It is not a throughput reproduction claim.

vllm serve 'Qwen/Qwen2.5-0.5B-Instruct' --dtype float16 --tensor-parallel-size 1 --max-model-len 8192 --gpu-memory-utilization 0.9

Rental lower bound

A floor derived from a 100%-utilization throughput ceiling, not an expected bill.

At least per month

$869.30

Real throughput can be lower, which can require more replicas and raise rent.

Minimum replicas

1

Lower bound from ideal ceiling capacity. No utilization or idle-hour estimate is published.

Rental basis

$1.19/GPU-hour

RunPod, Community Cloud, on demand

Captured 2026-08-08 (1 day ago)

Ceiling capacity: 1,958 output tok/s at concurrency 1.

Physics ceiling

CEILING at 100% unit utilisation, not expected throughput. Decode is bounded by memory bandwidth and prefill by dense compute. Ideal tensor-parallel scaling is assumed for both. A rental figure derived from this ceiling is a lower-bound floor, not an estimate; real throughput can be lower and real rent can be higher.

Decode and prefill ceilings derived from GPU memory bandwidth, dense compute, and model parameters, captured 2026-08-08

Not measured on this config yet

No site-wide multiplier is applied. Run the exact configuration to create a receipt before comparing its measured baseline with RunInfra.

Run this configuration

Sources and caveats

Every published number keeps its source and date.

Provenance

  • Hugging Face model API revision sha

    As of 2026-08-08

  • Hugging Face model API safetensors.total

    As of 2026-08-08

  • config.json:max_position_embeddings

    As of 2026-08-08

  • config.json:architectures[0]

    As of 2026-08-08

  • NVIDIA A100 80 GB PCIe product brief

    As of 2026-08-08

  • Hugging Face config.json transformer shape

    As of 2026-08-08

  • RunInfra Engine feasibility runtime-overhead policy

    As of 2026-08-09

  • Decode and prefill ceilings derived from GPU memory bandwidth, dense compute, and model parameters

    As of 2026-08-08

  • vLLM serve CLI documentation

    As of 2026-08-08

  • RunPod, Community Cloud pricing

    As of 2026-08-08

  • NVIDIA T4 product specification

    As of 2026-08-08

  • NVIDIA L4 product specification

    As of 2026-08-08

  • NVIDIA A10 datasheet

    As of 2026-08-08

  • NVIDIA L40S product specification

    As of 2026-08-08

Caveats

  • +Served context is 8192 tokens. It is a serving-capacity decision and is not inferred from average input or output tokens.
  • +KV cache uses the exact transformer-shape formula with 24 layers, 2 KV heads, and head dimension 64.
  • +Runtime overhead adds 0.16 GB to totalRequiredGb. This approximate 15% policy allowance covers CUDA context, activations, and vLLM overhead. Deployment-time profiling, including CUDA graph capture and allocator behavior, can differ.
  • +CEILING at 100% unit utilisation, not expected throughput. Decode is bounded by memory bandwidth and prefill by dense compute. Ideal tensor-parallel scaling is assumed for both. A rental figure derived from this ceiling is a lower-bound floor, not an estimate; real throughput can be lower and real rent can be higher.
  • +Compute prefill ceiling: 315768.5281313162 tokens/sec. Bandwidth decode ceiling: 1958.3721215836435 tokens/sec.
  • +CalcInput has no GPU provider selector. The calculation uses the lowest supplied on-demand rate for A100-80GB-PCIe: RunPod, Community Cloud at $1.19/GPU-hour.
  • +The throughput basis is a 100%-utilization ceiling. costFloor.monthlyUsd is only a lower bound on rental spend. Expected rent, utilization, idle hours, busy hours, per-token cost, cost curves, and API comparisons remain absent.

Share this calculation

The badge keeps its evidence label and links to the full result, sources, and caveats.

Calculated by RunInfra

HTML

<a href="https://runinfra.ai/calc/qwen-2.5-0.5b/a100-80gb-pcie/50k-req-day"><img src="https://runinfra.ai/api/calc/badge?hfId=Qwen%2FQwen2.5-0.5B-Instruct&amp;gpuId=A100-80GB-PCIe&amp;gpuCount=1&amp;requestsPerDay=50000&amp;avgInputTokens=500&amp;avgOutputTokens=500&amp;utilization=0.3&amp;quantization=fp16&amp;servedContextTokens=8192" alt="Calculated by RunInfra"></a>

Markdown

[![Calculated by RunInfra](https://runinfra.ai/api/calc/badge?hfId=Qwen%2FQwen2.5-0.5B-Instruct&gpuId=A100-80GB-PCIe&gpuCount=1&requestsPerDay=50000&avgInputTokens=500&avgOutputTokens=500&utilization=0.3&quantization=fp16&servedContextTokens=8192)](https://runinfra.ai/calc/qwen-2.5-0.5b/a100-80gb-pcie/50k-req-day)

Use it from an agent or script

GET the current inputs, or inspect the descriptor for accepted parameters and response fields.

Endpoint
GET https://runinfra.ai/api/calchttps://runinfra.ai/api/calc?hfId=Qwen%2FQwen2.5-0.5B-Instruct&gpuId=A100-80GB-PCIe&gpuCount=1&requestsPerDay=50000&avgInputTokens=500&avgOutputTokens=500&utilization=0.3&quantization=fp16&servedContextTokens=8192
Canonical result
https://runinfra.ai/calc/qwen-2.5-0.5b/a100-80gb-pcie/50k-req-day
Descriptor
https://runinfra.ai/api/calc/schema

28 GPU ids, 7 quantizations

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