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license: apache-2.0
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license_link: https://huggingface.co/Qwen/Qwen3-4B-Instruct-2507/blob/main/LICENSE
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pipeline_tag: text-generation
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base_model: Qwen/Qwen3-4B-Instruct-2507
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tags:
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---
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# AdvRahul/Axion-4B
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##
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``
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---
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license: other
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base_model: Qwen/Qwen3-4B-Instruct-2507
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tags:
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- qwen
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- qwen3
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- fine-tuned
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- safety
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- instruct
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- axion
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# AdvRahul/Axion-4B
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**A safety-enhanced version of Qwen3-4B-Instruct, optimized for reliable and responsible AI applications. 🛡️**
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`Axion-4B` is a fine-tuned version of the powerful `Qwen/Qwen3-4B-Instruct-2507` model. The primary enhancement in this version is its **robust safety alignment**, making it a more dependable choice for production environments and user-facing applications.
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## 🚀 Model Details
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* **Model Creator:** AdvRahul
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* **Base Model:** [Qwen/Qwen3-4B-Instruct-2507](https://huggingface.co/Qwen/Qwen3-4B-Instruct-2507)
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* **Fine-tuning Focus:** Enhanced Safety & Harmlessness via Red-Teaming
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* **Architecture:** Qwen3
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* **Context Length:** 262,144 tokens
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* **License:** Based on the Tongyi Qianwen LICENSE of the original model.
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---
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## 📝 Model Description
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### Enhanced for Safety
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The core purpose of `Axion-4B` is to provide a safer alternative for developers. The base model underwent extensive **red-team testing using advanced protocols** to significantly minimize the generation of harmful, biased, or inappropriate content.
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### Powerful Core Capabilities
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While adding a crucial safety layer, `Axion-4B` retains the exceptional capabilities of its base model, including:
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* **Strong Logical Reasoning:** Excels at complex problems in math, science, and logic.
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* **Advanced Instruction Following:** Reliably adheres to user commands and constraints.
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* **Multi-lingual Knowledge:** Covers a wide range of languages and cultural contexts.
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* **Massive 256K Context Window:** Capable of understanding and processing very long documents.
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* **Excellent Coding & Tool Use:** Proficient in code generation and agentic tasks.
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---
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## 💻 Quickstart
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You can use this model directly with the `transformers` library (version 4.51.0 or newer is recommended).
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```python
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from transformers import AutoModelForCausalLM, AutoTokenizer
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import torch
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# IMPORTANT: Use the model name for this repository
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model_name = "AdvRahul/Axion-4B"
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# Load the tokenizer and the model
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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model = AutoModelForCausalLM.from_pretrained(
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model_name,
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torch_dtype="auto",
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device_map="auto"
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)
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# Prepare the model input
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prompt = "Give me a short introduction to large language models and their safety considerations."
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messages = [
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{"role": "user", "content": prompt}
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]
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text = tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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add_generation_prompt=True,
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)
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model_inputs = tokenizer([text], return_tensors="pt").to(model.device)
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# Generate text
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generated_ids = model.generate(
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**model_inputs,
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max_new_tokens=512 # Limiting for a concise example
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)
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output_ids = generated_ids[0][len(model_inputs.input_ids[0]):].tolist()
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content = tokenizer.decode(output_ids, skip_special_tokens=True)
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print("Response:", content)
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Optimized Deployment
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For high-throughput, production-ready deployment, you can use frameworks like vLLM or SGLang to serve the model via an OpenAI-compatible API.
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vLLM:
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Bash
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vllm serve AdvRahul/Axion-4B --max-model-len 262144
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SGLang:
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Bash
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python -m sglang.launch_server --model-path AdvRahul/Axion-4B --context-length 262144
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Note: If you encounter out-of-memory (OOM) issues, consider reducing the max context length (e.g., --max-model-len 32768).
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⚠️ Ethical Considerations and Limitations
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This model was fine-tuned with the explicit goal of improving safety and reducing harmful outputs. However, no AI model is completely immune to risks.
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No Guarantees: While the safety alignment is significantly improved, it does not guarantee perfectly harmless outputs in all scenarios.
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Inherited Biases: The model may still reflect biases present in the vast amount of data used to train its base model.
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Factual Accuracy: Always fact-check critical information, as the model can generate plausible but incorrect statements.
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Best Practice: It is strongly recommended that developers implement their own content moderation filters and safety guardrails as part of a comprehensive, defense-in-depth strategy. Thoroughly evaluate the model's performance and safety for your specific use case before deploying it to a live audience.
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