What are the hardware requirements for F R1 2 4B?

F R1 2 4B requires approximately 8 GB of VRAM and supports a context window of 256K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed F R1 2 4B and how large is it?

F R1 2 4B is developed by ChuGyouk, 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 F R1 2 4B?

F R1 2 4B is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

F R1 2 4B by ChuGyouk — VRAM 8GB, 256K context

Name: F R1 2 4B
Author: ChuGyouk

F R1 2 4B is an open-source language model by ChuGyouk. Features: 4b LLM, VRAM: 8GB, Context: 256K, LLM Explorer Score: 0.23.

Base model:chugyouk/qwen3-4b-b... Base model:finetune:chugyouk/q... Conversational Endpoints compatible Generated from trainer Qwen3 Region:us Safetensors Sft Trl Unsloth

Model Card on HF 🤗: https://huggingface.co/ChuGyouk/F_R1_2_4b

F R1 2 4B Parameters and Internals

LLM Name	F R1 2 4b
Repository 🤗	https://huggingface.co/ChuGyouk/F_R1_2_4b
Model Name	ChuGyouk/Qwen3-4B-Base
Base Model(s)	Qwen3 4B Base ChuGyouk/Qwen3-4B-Base
Model Size	4b
Required VRAM	8 GB
Updated	2026-05-26
Maintainer	ChuGyouk
Model Type	qwen3
Model Files	8.0 GB 0.0 GB
Model Architecture	Qwen3ForCausalLM
Context Length	262144
Model Max Length	262144
Transformers Version	5.2.0
Tokenizer Class	Qwen2Tokenizer
Padding Token	<\|endoftext\|>
Vocabulary Size	151936
Errors	replace

Rank the F R1 2 4B capabilities

Have you tried this model? Rate its performance — this feedback helps the ML community find the right model for their needs.

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 F R1 2 4B

Best Alternatives	Context / RAM	Downloads	Likes
FastContext 1.0 4B SFT	256K / 8.1 GB	5735	357
GRPO 4 70	256K / 8.1 GB	11	0
Qwen3 4B Instruct 2507	256K / 8.1 GB	3109972	911
Fable Traces	256K / 8.1 GB	343	210
Lightning 4B	256K / 8.1 GB	13	6
FastContext 1.0 4B RL	256K / 8.1 GB	4559	61
Qwen3 4B Thinking 2507	256K / 8.1 GB	291023	606
Qwen3 4B Sft Prm	256K / 17.6 GB	602	0
...fetensors.chatgpt GPT Codex V2	256K / 8.1 GB	666	2
...rs.chatgpt GPT Gpt5.1 Thinking	256K / 8.1 GB	497	4

Note: green Score (e.g. "73.2") means that the model is better than ChuGyouk/F_R1_2_4b.