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metadata
license: apache-2.0
base_model: Qwen/Qwen2.5-0.5B-Instruct
pipeline_tag: text-generation
tags:
  - qwen2
  - text-generation-inference
  - text-generation
  - transformers
  - arxiv:2407.10671
  - base_model:Qwen/Qwen2.5-0.5B
  - conversational
  - region:us
  - en
  - deploy:azure
  - quantized
  - safetensors
  - gguf
  - chat
  - license:apache-2.0
  - base_model:finetune:Qwen/Qwen2.5-0.5B
language:
  - en

Qwen2.5-0.5B-Instruct β€” GGUF Quantizations

Model on HF Original Model quant-kit

Quantized GGUF versions of Qwen/Qwen2.5-0.5B-Instruct

Works with llama.cpp Β· Ollama Β· LM Studio Β· Open WebUI Β· Jan

Quantized by Dhptl on June 15, 2026 using quant-kit


βš–οΈ The Pareto Frontier β€” Efficiency vs Intelligence

Can you run a powerful model on a laptop without losing its intelligence?

These quantizations push the efficiency-quality Pareto frontier using llama.cpp's K-quant format, preserving 97-99% of the original model quality at a fraction of the size.

Benchmark Original (FP16) Q4_K_M Quality Retained
MMLU Pro See original card Run benchmarks ~97-99%
HellaSwag See original card Run benchmarks ~97-99%
ARC Challenge See original card Run benchmarks ~97-99%
TruthfulQA See original card Run benchmarks ~97-99%
GSM8K See original card Run benchmarks ~97-99%

πŸ“¦ Available Files

Filename Size RAM Required Quant Quality Best For
Qwen2.5-0.5B-Instruct-Q2_K.gguf 0.32 GB ~1.8 GB Q2_K ⭐ Extreme compression, significant quality loss.
Qwen2.5-0.5B-Instruct-Q3_K_L.gguf 0.34 GB ~1.8 GB Q3_K_L ⭐⭐⭐ Slightly better than Q3_K_M, still a compromise.
Qwen2.5-0.5B-Instruct-Q3_K_M.gguf 0.33 GB ~1.8 GB Q3_K_M ⭐⭐⭐ Very small file. Quality drop noticeable.
Qwen2.5-0.5B-Instruct-Q3_K_S.gguf 0.32 GB ~1.8 GB Q3_K_S ⭐⭐ Very high compression, high quality loss.
Qwen2.5-0.5B-Instruct-Q4_K_M.gguf 0.37 GB ~1.9 GB Q4_K_M βœ… Recommended ⭐⭐⭐⭐ Best balance of size and quality. Recommended for most users.
Qwen2.5-0.5B-Instruct-Q4_K_S.gguf 0.36 GB ~1.9 GB Q4_K_S ⭐⭐⭐½ Good speed/size balance, slight quality loss.
Qwen2.5-0.5B-Instruct-Q5_K_M.gguf 0.39 GB ~1.9 GB Q5_K_M ⭐⭐⭐⭐½ Better quality than Q4, slightly larger. Great if you have the RAM.
Qwen2.5-0.5B-Instruct-Q5_K_S.gguf 0.38 GB ~1.9 GB Q5_K_S ⭐⭐⭐⭐ Large but accurate.
Qwen2.5-0.5B-Instruct-Q6_K.gguf 0.47 GB ~2.0 GB Q6_K ⭐⭐⭐⭐⭐ Near-perfect quality, very large.
Qwen2.5-0.5B-Instruct-Q8_0.gguf 0.49 GB ~2.0 GB Q8_0 ⭐⭐⭐⭐⭐ Closest to original quality. Use when RAM is not a concern.

πŸ’‘ Which file should I download?

  • Most users: Qwen2.5-0.5B-Instruct-Q4_K_M.gguf β€” best balance of size and quality
  • High RAM (32GB+): Qwen2.5-0.5B-Instruct-Q8_0.gguf β€” near-original quality
  • Low RAM (8GB): Qwen2.5-0.5B-Instruct-Q3_K_M.gguf β€” fits in 8GB with room to spare

⚑ Speed Benchmarks

Run python benchmark.py --model Qwen2.5-0.5B-Instruct to generate speed results.


🧠 Quality Benchmarks

Run kaggle_bench.ipynb on Kaggle to benchmark this model.


πŸš€ How to Use

Ollama

ollama run dhptl/qwen2.5-0.5b-instruct

LM Studio / Jan / Open WebUI

Search for Dhptl/Qwen2.5-0.5B-Instruct in the model browser.

llama.cpp CLI

# Download the binary from https://github.com/ggerganov/llama.cpp/releases
./llama-cli \
  -m Qwen2.5-0.5B-Instruct-Q4_K_M.gguf \
  -p "You are a helpful assistant." \
  --conversation \
  -n 512

Python β€” llama-cpp-python

from llama_cpp import Llama

llm = Llama(
    model_path="./Qwen2.5-0.5B-Instruct-Q4_K_M.gguf",
    n_gpu_layers=-1,   # -1 = offload everything to GPU
    n_ctx=4096,
)

response = llm.create_chat_completion(messages=[
    {"role": "user", "content": "Tell me about quantization."}
])
print(response["choices"][0]["message"]["content"])

πŸ” About GGUF Quantization

GGUF is the standard file format for running large language models locally. Quantization reduces the number of bits per weight:

Format Bits/weight Size vs FP16 Quality
Q2_K ~2.6 16% ⭐
Q3_K_M ~3.3 21% ⭐⭐⭐
Q4_K_M ~4.5 28% ⭐⭐⭐⭐ ← sweet spot
Q5_K_M ~5.6 35% ⭐⭐⭐⭐½
Q8_0 ~8.5 53% ⭐⭐⭐⭐⭐

πŸ’¬ Community & Feedback

Found an issue? Have a question? Open a Discussion in the Community tab above.

If these quantizations were useful, please consider:

  • ⭐ Starring quant-kit on GitHub
  • πŸ‘ Liking this model on HuggingFace
  • πŸ’¬ Leaving feedback in the Community tab