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Qwen3 4B GRPO SFT by Chengheng

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Qwen3 4B GRPO SFT is an open-source language model by Chengheng. Features: 4b LLM, VRAM: 8.1GB, Context: 32K, License: apache-2.0, LLM Explorer Score: 0.19.

  Autotrain compatible Base model:chengheng/qwen3-4b-... Base model:finetune:chengheng/...   Conversational   En   Endpoints compatible   Qwen3   Region:us   Safetensors   Sft   Sharded   Tensorflow   Trl   Unsloth
Model Card on HF 🤗: https://huggingface.co/Chengheng/qwen3-4b-GRPO-SFT 

Qwen3 4B GRPO SFT Benchmarks

LLME Score: 0.19352
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
Qwen3 4B GRPO SFT (Chengheng/qwen3-4b-GRPO-SFT)
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Qwen3 4B GRPO SFT Parameters and Internals

LLM NameQwen3 4B GRPO SFT
Repository 🤗https://huggingface.co/Chengheng/qwen3-4b-GRPO-SFT 
Base Model(s)  Chengheng/qwen3-4b-GPRO-600   Chengheng/qwen3-4b-GPRO-600
Model Size4b
Required VRAM8.1 GB
Updated2025-09-23
MaintainerChengheng
Model Typeqwen3
Model Files  5.0 GB: 1-of-2   3.1 GB: 2-of-2
Supported Languagesen
Model ArchitectureQwen3ForCausalLM
Licenseapache-2.0
Context Length32768
Model Max Length32768
Transformers Version4.51.3
Tokenizer ClassQwen2Tokenizer
Padding Token<|vision_pad|>
Vocabulary Size151936
Torch Data Typebfloat16
Errorsreplace

Best Alternatives to Qwen3 4B GRPO SFT

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Lightning 4B256K / 8.1 GB136
QED Nano256K / 8.1 GB681686
Jan V1 4B256K / 8.1 GB108354353
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Qwen3 4B Thinking 2507 FP8256K / 5.2 GB19253066
Note: green Score (e.g. "73.2") means that the model is better than Chengheng/qwen3-4b-GRPO-SFT.

Rank the Qwen3 4B GRPO SFT 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  

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