Qwen3-30B-A3B
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
Copy-paste - running in under a minute
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Deep dive
Notes, sources, and the full write-up
Qwen3-30B-A3B
Qwen3-30B-A3B is a 30.5B-parameter apache-2.0 model from Qwen. At Q4_K_M it needs roughly 18 GB of VRAM, placing it in the 12-24gb hardware tier.
Specifications
| Spec | Value |
|---|---|
| Parameters | 30.5B |
| Context length | 41K tokens |
| License | apache-2.0 |
| Modalities | text |
| Released | 2025-04-27 |
| Weights | Qwen/Qwen3-30B-A3B |
VRAM requirements
| Quant | VRAM | Runs on |
|---|---|---|
| Q4_K_M | ~18 GB | RTX 3090, RTX 4090 |
| Q5_K_M | ~22 GB | RTX 3090, RTX 4090 |
| Q8_0 | ~33 GB | RTX 6000 Ada, dual RTX 3090 |
| FP16 | ~61 GB | A100 80GB, H100 |
VRAM is estimated from parameter count; MoE models still need all weights resident.
How to run
vLLM:
vllm serve Qwen/Qwen3-30B-A3BPopularity
Qwen3-30B-A3B has 2,022,595 downloads in the last month on HuggingFace and 896 likes.
Frequently asked
Quick answers to common questions
How much VRAM does Qwen3-30B-A3B need?
Qwen3-30B-A3B with 30.5B parameters needs approximately 18 GB at Q4_K_M quantization. Use our VRAM calculator for an exact estimate.
Is Qwen3-30B-A3B better than other Qwen models?
Qwen3-30B-A3B has 30.5B parameters with 40,960 context - a strong choice for general use.
What license is Qwen3-30B-A3B under?
Qwen3-30B-A3B is released under the apache-2.0 license, making it suitable for most commercial and personal projects.
What hardware runs Qwen3-30B-A3B well?
With 30.5B parameters, Qwen3-30B-A3B 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 Qwen3-30B-A3B?
Q4_K_M is the recommended sweet spot - ~98% of FP16 quality at ~27% of the size. Q5_K_M (~22 GB) is an option if you have spare VRAM. Use our VRAM calculator to compare.
How long can Qwen3-30B-A3B's context window handle?
Qwen3-30B-A3B supports a 40,960-token context window - enough for most medium-length documents and conversations. Real-world usable context may vary by implementation.
What models compete with Qwen3-30B-A3B?
Qwen3-30B-A3B competes with other 15B–46B. 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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