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Open-weight model · Text generation

Qwen2.5-3B-Instruct

by Qwen Qwen/Qwen2.5-3B-Instruct

Qwen2.5 is the latest series of Qwen large language models. For Qwen2.5, we release a number of base language models and instruction-tuned language models ranging from 0.5 to 72 billion parameters.

Parameters3.1B
Context32,768
Weights6.2 GB
Licenseother
AccessOpen weights
Monthly Downloads5.1M

Runs On

What it takes to serve Qwen2.5-3B-Instruct (3.1B 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 6.2 GB 7.4 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 3.1 GB 3.7 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 1.5 GB 1.9 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 Qwen2.5-3B-Instruct

At 16-bit, 7.4 GB is all this one asks for. Qwen2.5-3B-Instruct carries 3.1 billion parameters and a 32,768-token window, aimed at instruction following, structured data, JSON output and long text past 8K tokens. The cheapest Index setup is one MI300X with 192 GB at $1.85 an hour; 8-bit needs 3.7 GB and 4-bit 1.9 GB. Nobody sizes a 192 GB card for a 7.4 GB model, so it shares the card, beside a larger model or as several copies.

The weights are open access, so nothing gates the files, but the license field reads 'other' and carries no summary; the terms live in the publisher's license file, and nothing about commercial use can be assumed until that file has been read. Then check the lineage: this build derives from the Qwen2.5-3B base, where any fine-tune would start, and its paper is the Qwen2 technical report, arXiv:2407.10671.

Model Card

Qwen2.5 is the latest series of Qwen large language models. For Qwen2.5, we release a number of base language models and instruction-tuned language models ranging from 0.5 to 72 billion parameters. Qwen2.5 brings the following improvements upon Qwen2: - Significantly more knowledge and has greatly improved capabilities in coding and mathematics, thanks to our specialized expert models in these domains. - Significant improvements in instruction following, generating long texts (over 8K tokens), understanding structured data (e.g, tables), and generating structured outputs especially JSON. More resilient to the diversity of system prompts, enhancing role-play implementation and…

Excerpt from the card by Qwen, licensed other.

Configuration

Architecture
Qwen2ForCausalLM
Context length (tokens)
32,768
Layers
36
Hidden size
2,048
Feed-forward size
11,008
Attention heads
16
Key/value heads
2
Vocabulary size
151,936
Sliding window (tokens)
32,768
RoPE base
1e+06
Stored precision
bfloat16
Model type
qwen2

Identity and Version

Repository
Qwen/Qwen2.5-3B-Instruct
Publisher
Qwen
Task
Text generation
Modality
Text
Library
transformers
Parameters
3.1B parameters
Languages
en
Revision
aa8e72537993ba99e69dfaafa59ed015b17504d1
First published
2024-09-17
Last updated
2024-09-25

Files and Weights

12 files, 6.2 GB in total. The weights are 2 files totalling 6.2 GB in safetensors.

Weights2 files · 6.2 GB
Configuration3 files · 36.5 KB
Tokenizer4 files · 11.5 MB
Documentation2 files · 12.3 KB
Repository1 file · 1.5 KB
Every file
FileTypeSizeSHA-256
model-00001-of-00002.safetensorsWeights4.0 GB 67347b23fb41
model-00002-of-00002.safetensorsWeights2.2 GB a40d941d0e7e
config.jsonConfiguration661 B
generation_config.jsonConfiguration242 B
model.safetensors.index.jsonConfiguration35.6 KB
LICENSEDocumentation7.4 KB
README.mdDocumentation4.9 KB
.gitattributesRepository1.5 KB
merges.txtTokenizer1.7 MB
tokenizer.jsonTokenizer7.0 MB
tokenizer_config.jsonTokenizer7.3 KB
vocab.jsonTokenizer2.8 MB

License and Download

License
other
Access
Open weights, no gate
Download size
6.2 GB
Download from Qwen

Released by Qwen through ModelScope. Read the license.

Built From

Memory Requirements

PrecisionWeights in memory
As published6.2 GB
16-bit6.2 GB
8-bit3.1 GB
4-bit1.5 GB

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

Built on This Model

Compare Qwen2.5-3B-Instruct

Questions About Qwen2.5-3B-Instruct

How much GPU memory does Qwen2.5-3B-Instruct need?

About 7.4 GB at 16-bit and 1.9 GB at 4-bit: the weights (3.1B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run Qwen2.5-3B-Instruct 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.

What license is Qwen2.5-3B-Instruct released under?

other, as its publisher declares it. Read the license text before commercial use.

What is Qwen2.5-3B-Instruct's context length?

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

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