Qwen2-1.5B-Instruct
Will it run on your hardware?
Pick your GPU memory - see which quantizations fit, and the cheapest card for the rest
Need an exact figure for your context length? Use the VRAM calculator.
Run it locally
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Deep dive
Notes, sources, and the full write-up
Qwen2-1.5B-Instruct
Qwen2-1.5B-Instruct is a 1.5B-parameter apache-2.0 model from Qwen. At Q4_K_M it needs roughly 1 GB of VRAM, placing it in the cpu hardware tier.
Specifications
| Spec | Value |
|---|---|
| Parameters | 1.5B |
| Context length | 33K tokens |
| License | apache-2.0 |
| Modalities | text |
| Released | 2024-06-03 |
| Weights | Qwen/Qwen2-1.5B-Instruct |
VRAM requirements
| Quant | VRAM | Runs on |
|---|---|---|
| Q4_K_M | ~1 GB | RTX 4060, RTX 3060 8GB |
| Q5_K_M | ~1 GB | RTX 4060, RTX 3060 8GB |
| Q8_0 | ~2 GB | RTX 4060, RTX 3060 8GB |
| FP16 | ~3 GB | RTX 4060, RTX 3060 8GB |
VRAM is estimated from parameter count; MoE models still need all weights resident.
How to run
vLLM:
vllm serve Qwen/Qwen2-1.5B-InstructPopularity
Qwen2-1.5B-Instruct has 4,375,137 downloads in the last month on HuggingFace and 162 likes.
Frequently asked
Quick answers to common questions
How much VRAM does Qwen2-1.5B-Instruct need?
Qwen2-1.5B-Instruct with 1.5B parameters needs approximately 1 GB at Q4_K_M quantization. Use our VRAM calculator for an exact estimate.
Is Qwen2-1.5B-Instruct better than other Qwen models?
Qwen2-1.5B-Instruct has 1.5B parameters with 32,768 context - a strong choice for general use.
What license is Qwen2-1.5B-Instruct under?
Qwen2-1.5B-Instruct is released under the apache-2.0 license, making it suitable for most commercial and personal projects.
What hardware runs Qwen2-1.5B-Instruct well?
With 1.5B parameters, Qwen2-1.5B-Instruct requires adequate VRAM. High-end GPUs like the RTX 4090 (24GB), RTX 5090 (32GB), or Mac Studio with unified memory are good options. Check our hardware directory for specific recommendations.
What is the best quantization for Qwen2-1.5B-Instruct?
Q4_K_M is the recommended sweet spot - ~98% of FP16 quality at ~27% of the size. Q5_K_M (~1 GB) is an option if you have spare VRAM. Use our VRAM calculator to compare.
How long can Qwen2-1.5B-Instruct's context window handle?
Qwen2-1.5B-Instruct supports a 32,768-token context window - enough for most medium-length documents and conversations. Real-world usable context may vary by implementation.
What models compete with Qwen2-1.5B-Instruct?
Qwen2-1.5B-Instruct competes with other models in its class. Browse our model directory for comparisons, benchmarks, and community reviews to find the best fit.
Nearby options
Similar models and compatible hardware by spec
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