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Open-weight model · Text generation

Qwen3-30B-A3B

by Qwen Qwen/Qwen3-30B-A3B

Qwen3 is the latest generation of large language models in Qwen series, offering a comprehensive suite of dense and mixture-of-experts (MoE) models.

Parameters30.5B
Context40,960
Weights61.1 GB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads1.8M

Runs On

What it takes to serve Qwen3-30B-A3B (30.5B parameters): the memory its weights need at each precision, and the cheapest way to rent enough data-center GPUs to hold them.

PrecisionWeightsMemory neededCheapest setupPer hourAlso fits
16-bit 61.1 GB 73.3 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 30.5 GB 36.6 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 15.3 GB 18.3 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00

Memory is the weights at that precision plus 20% for the runtime and a short context; a long context needs more. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Sep 18, 2026.

SAVRN's Notes on Qwen3-30B-A3B

Start with the memory figure: 73.3 GB at 16-bit for a 30.5B-parameter model built from 128 experts. That fits on one MI300X with 192 GB at $1.85 an hour on demand, the cheapest listing on the Index, with room left for the 40,960-token context. Quantize to 8-bit and the footprint is 36.6 GB; at 4-bit it is 18.3 GB. The weight files total 61 GB, so plan storage and load time around that.

Apache 2.0 allows commercial use, modification and redistribution; keep the notices, state significant changes, and contributors give an express patent grant. Weigh the hourly card against DeepInfra's Index price of $0.12 in and $0.50 out per million tokens; token volume decides which wins. It derives from Qwen3-30B-A3B-Base, so the base is available for your own post-training, and the publisher describes a thinking mode and a non-thinking mode in one model, worth testing on your workload.

Model Card

By Qwen, published under apache-2.0, revision ad44e777bcd1.

Qwen3 Highlights

Qwen3 is the latest generation of large language models in Qwen series, offering a comprehensive suite of dense and mixture-of-experts (MoE) models. Built upon extensive training, Qwen3 delivers groundbreaking advancements in reasoning, instruction-following, agent capabilities, and multilingual support, with the following key features:

Read the full model card (1,900 words)

Configuration

Architecture
Qwen3MoeForCausalLM
Context length (tokens)
40,960
Layers
48
Hidden size
2,048
Feed-forward size
6,144
Attention heads
32
Key/value heads
4
Head dimension
128
Vocabulary size
151,936
Experts
128
Experts active per token
8
RoPE base
1e+06
Stored precision
bfloat16
Model type
qwen3_moe

Identity and Version

Repository
Qwen/Qwen3-30B-A3B
Publisher
Qwen
Task
Text generation
Modality
Text
Library
transformers
Parameters
30.5B parameters
Languages
Not stated by the source
Revision
ad44e777bcd18fa416d9da3bd8f70d33ebb85d39
First published
2025-04-27
Last updated
2025-07-26

Files and Weights

26 files, 61.1 GB in total. The weights are 16 files totalling 61.1 GB in safetensors.

Weights16 files · 61.1 GB
Configuration3 files · 1.7 MB
Tokenizer4 files · 15.9 MB
Documentation2 files · 28.1 KB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
model-00001-of-00016.safetensorsWeights4.0 GB 454e77b346a6
model-00002-of-00016.safetensorsWeights4.0 GB 47f015d6e5bb
model-00003-of-00016.safetensorsWeights4.0 GB ac0bf5990f2d
model-00004-of-00016.safetensorsWeights4.0 GB 89b01fd34a68
model-00005-of-00016.safetensorsWeights4.0 GB 9849eb3584d9
model-00006-of-00016.safetensorsWeights4.0 GB f7a0f1525557
model-00007-of-00016.safetensorsWeights4.0 GB 920702a50f27
model-00008-of-00016.safetensorsWeights4.0 GB a85bf0cc8a80
model-00009-of-00016.safetensorsWeights4.0 GB 25cd8aaed86b
model-00010-of-00016.safetensorsWeights4.0 GB 7c3307ee2147
model-00011-of-00016.safetensorsWeights4.0 GB c658cad2842d
model-00012-of-00016.safetensorsWeights4.0 GB 8cb898bc5e78
model-00013-of-00016.safetensorsWeights4.0 GB 599594421f31
model-00014-of-00016.safetensorsWeights4.0 GB 66d3294e9976
model-00015-of-00016.safetensorsWeights4.0 GB 2fe000da4fc7
model-00016-of-00016.safetensorsWeights1.1 GB 0c979e314faf
config.jsonConfiguration963 B
generation_config.jsonConfiguration239 B
model.safetensors.index.jsonConfiguration1.7 MB
LICENSEDocumentation11.3 KB
README.mdDocumentation16.8 KB
.gitattributesRepository1.6 KB
merges.txtTokenizer1.7 MB
tokenizer.jsonTokenizer11.4 MB aeb13307a71a
tokenizer_config.jsonTokenizer9.7 KB
vocab.jsonTokenizer2.8 MB

License and Download

License
apache-2.0
Access
Open weights, no gate
Download size
61.1 GB
Download from Qwen

Released by Qwen through ModelScope. Read the license.

Built From

Memory Requirements

PrecisionWeights in memory
As published61.1 GB
16-bit61.1 GB
8-bit30.5 GB
4-bit15.3 GB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Hosted Prices

HostInput / outputUnitObserved
DeepInfra$0.12 / $0.50input / output, per million tokensSep 18, 2026

From the SAVRN Index.

Compare Qwen3-30B-A3B

Questions About Qwen3-30B-A3B

How much GPU memory does Qwen3-30B-A3B need?

About 73.3 GB at 16-bit and 18.3 GB at 4-bit: the weights (30.5B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run Qwen3-30B-A3B on?

At 16-bit, 1x MI300X from $1.85 an hour; at 4-bit, 1x MI300X from $1.85 an hour, at the lowest on-demand prices the SAVRN Index lists.

Can I use Qwen3-30B-A3B commercially?

Yes. Qwen3-30B-A3B is released under Apache License 2.0. The Apache License 2.0 is a permissive open-source license. It permits commercial use, modification and redistribution. It requires keeping the license and copyright notices and any NOTICE file, stating significant changes, and it includes an express patent grant from contributors.

What is Qwen3-30B-A3B's context length?

40,960 tokens, from the maximum position embeddings in its published configuration.

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