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Open-weight model · Text generation

Qwen3-1.7B-Base

by Qwen Qwen/Qwen3-1.7B-Base

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

Parameters1.7B
Context32,768
Weights3.4 GB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads1.6M

Runs On

What it takes to serve Qwen3-1.7B-Base (1.7B 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 3.4 GB 4.1 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 1.7 GB 2.1 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.9 GB 1.0 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 Qwen3-1.7B-Base

At 4.1 GB of memory for 16-bit inference, 2.1 GB at 8-bit and 1.0 GB at 4-bit, this checkpoint fits on any accelerator we would rack; the cheapest setup on file, one MI300X with 192 GB at $1.85 per hour on-demand, could hold dozens of copies. A 1.7 billion parameter base model is raw material for post-training, and 32,768 tokens of context leave room to shape it for a narrow task.

Base in the title is the fact that matters: Qwen ships the pretraining checkpoint, so a deployment needs its own fine-tuning or prompting layer first. Apache 2.0 permits that and lets you redistribute the tuned result commercially, as long as notices stay intact and changes are stated. Read the Qwen3 technical report at arXiv:2505.09388 before committing; our record holds no reported evaluations and no SAVRN Index host prices yet, so the benchmark is yours.

Model Card

By Qwen, published under apache-2.0, revision ea980cb0a6c2.

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. Building upon extensive advancements in training data, model architecture, and optimization techniques, Qwen3 delivers the following key improvements over the previously released Qwen2.5:

Read the full model card (354 words)

Configuration

Architecture
Qwen3ForCausalLM
Context length (tokens)
32,768
Layers
28
Hidden size
2,048
Feed-forward size
6,144
Attention heads
16
Key/value heads
8
Head dimension
128
Vocabulary size
151,936
RoPE base
1,000,000
Stored precision
bfloat16
Model type
qwen3

Identity and Version

Repository
Qwen/Qwen3-1.7B-Base
Publisher
Qwen
Task
Text generation
Modality
Text
Library
transformers
Parameters
1.7B parameters
Languages
Not stated by the source
Revision
ea980cb0a6c2ae4b936e82123acc929f1cec04c1
First published
2025-04-28
Last updated
2025-07-26

Files and Weights

10 files, 3.5 GB in total. The weights are 1 file totalling 3.4 GB in safetensors.

Weights1 file · 3.4 GB
Configuration2 files · 865 B
Tokenizer4 files · 11.5 MB
Documentation2 files · 14.3 KB
Repository1 file · 1.5 KB
Every file
FileTypeSizeSHA-256
model.safetensorsWeights3.4 GB 6df85b39330e
config.jsonConfiguration727 B
generation_config.jsonConfiguration138 B
LICENSEDocumentation11.3 KB
README.mdDocumentation2.9 KB
.gitattributesRepository1.5 KB
merges.txtTokenizer1.7 MB
tokenizer.jsonTokenizer7.0 MB
tokenizer_config.jsonTokenizer9.7 KB
vocab.jsonTokenizer2.8 MB

License and Download

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

Released by Qwen through ModelScope. Read the license.

Built From

Memory Requirements

PrecisionWeights in memory
As published3.4 GB
16-bit3.4 GB
8-bit1.7 GB
4-bit0.9 GB

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

Built on This Model

Compare Qwen3-1.7B-Base

Questions About Qwen3-1.7B-Base

How much GPU memory does Qwen3-1.7B-Base need?

About 4.1 GB at 16-bit and 1 GB at 4-bit: the weights (1.7B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run Qwen3-1.7B-Base 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 Qwen3-1.7B-Base commercially?

Yes. Qwen3-1.7B-Base 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 Qwen3-1.7B-Base's context length?

32,768 tokens, from the maximum position embeddings in its published configuration.

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