What are the hardware requirements for Qwen3 4B Bnb 4bit?

Qwen3 4B Bnb 4bit requires approximately 2.6 GB of VRAM and supports a context window of 40K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed Qwen3 4B Bnb 4bit and how large is it?

Qwen3 4B Bnb 4bit is developed by unsloth, a model with 4b parameters. The model is published as open weights on Hugging Face and indexed on LLM Explorer with full benchmark history.

Where can I download or evaluate Qwen3 4B Bnb 4bit?

Qwen3 4B Bnb 4bit is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

Qwen3 4B Bnb 4bit by unsloth — VRAM 2.6GB, 40K context

Name: Qwen3 4B Bnb 4bit
Author: unsloth

Qwen3 4B Bnb 4bit is an open-source language model by unsloth. Features: 4b LLM, VRAM: 2.6GB, Context: 40K, Quantized, LLM Explorer Score: 0.21.

Arxiv:2309.00071 4-bit 4bit Base model:quantized:qwen/qwen... Base model:qwen/qwen3-4b Bitsandbytes Quantized Qwen3 Region:us Safetensors Unsloth

Model Card on HF 🤗: https://huggingface.co/unsloth/Qwen3-4B-bnb-4bit

Qwen3 4B Bnb 4bit Parameters and Internals

LLM Name	Qwen3 4B Bnb 4bit
Repository 🤗	https://huggingface.co/unsloth/Qwen3-4B-bnb-4bit
Base Model(s)	Qwen/Qwen3-4B Qwen/Qwen3-4B
Model Size	4b
Required VRAM	2.6 GB
Updated	2026-08-08
Maintainer	unsloth
Model Type	qwen3
Model Files	2.6 GB
Quantization Type	4bit
Model Architecture	Qwen3ForCausalLM
Context Length	40960
Model Max Length	40960
Transformers Version	4.51.3
Tokenizer Class	Qwen2Tokenizer
Padding Token	<\|vision_pad\|>
Vocabulary Size	151936
Torch Data Type	bfloat16
Errors	replace

Rank the Qwen3 4B Bnb 4bit capabilities

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Instruction Following and Task Automation
Factuality and Completeness of Knowledge
Censorship and Alignment
Data Analysis and Insight Generation
Text Generation
Text Summarization and Feature Extraction
Code Generation
Multi-Language Support and Translation

Best Alternatives to Qwen3 4B Bnb 4bit

Best Alternatives	Context / RAM	Downloads	Likes
Qwen3 4b Merged Txt	256K / 8.1 GB	535	0
...Instruct 2507 Unsloth Bnb 4bit	256K / 3.5 GB	108129	17
Mini Coder 4B OptiQ 4bit	256K / 3 GB	310	1
Qwen3.8 4B Distilled	256K / 8.1 GB	90	0
FastContext 1.0 4B SFT 8bit	256K / 4.3 GB	120	1
...wen3 4B Thinking 2507 MLX 4bit	256K / 2.3 GB	53225	14
...wen3 4B Thinking 2507 MLX 8bit	256K / 4.3 GB	44731	8
Qwen3 4B Instruct 2507 4bit	256K / 2.3 GB	40955	11
...wen 3 4b Mythos Finetune 16bit	256K / 8.1 GB	92	0
EduMentor Qwen3 4B FP16	256K / 8.1 GB	75	1

Note: green Score (e.g. "73.2") means that the model is better than unsloth/Qwen3-4B-bnb-4bit.