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Model: prithivMLmods/TESS-QwenRe-Fact-0.5B
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---
library_name: transformers
tags:
- text-generation-inference
- code
- fact
- math
- short-context-reasoning
license: apache-2.0
language:
- en
- zh
base_model:
- Qwen/Qwen2.5-0.5B-Instruct
pipeline_tag: text-generation
---
![5.png](https://cdn-uploads.huggingface.co/production/uploads/65bb837dbfb878f46c77de4c/UWb3145w-rFhJLCytbsBV.png)
# **TESS-QwenRe-Fact-0.5B**
> **TESS-QwenRe-Fact-0.5B** is a **compact fact-checking and short reasoning model** built upon **Qwen2.5 0.5B**. Designed for rapid response, real-world fact verification, and concise logical reasoning, this lightweight model is ideal for digital assistants, quick-response tools, and misinformation detection systems in **English** and **Chinese**.
## **Key Features**
1. **Fact Verification & Correction**
Trained to analyze factual accuracy in statements and offer corrected or clarified responses, making it ideal for real-time verification tasks and misinformation mitigation.
2. **Concise Reasoning**
Specializes in **short-form reasoning**, capable of analyzing and explaining claims, decisions, or statements in just a few logical steps — perfect for Q&A bots and assistant systems.
3. **Multilingual Support (EN + ZH)**
Supports fact-checking tasks in both **English** and **Simplified Chinese**, enhancing accessibility for bilingual or regional use cases.
4. **Built on Qwen2.5 0.5B**
Combines the latest architectural improvements from **Qwen2.5** with a small parameter footprint (0.5B), optimized for **speed**, **efficiency**, and **edge-device compatibility**.
5. **Prompt-Friendly Output**
Responds well to well-structured queries, returning clean, interpretable answers — especially for true/false classification, source-based fact validation, and yes/no reasoning.
## **Quickstart with Transformers**
```python
from transformers import AutoModelForCausalLM, AutoTokenizer
model_name = "prithivMLmods/TESS-QwenRe-Fact-0.5B"
model = AutoModelForCausalLM.from_pretrained(
model_name,
torch_dtype="auto",
device_map="auto"
)
tokenizer = AutoTokenizer.from_pretrained(model_name)
prompt = "Is the capital of Australia Sydney? Explain briefly."
messages = [
{"role": "system", "content": "You are a concise and accurate fact-checking assistant."},
{"role": "user", "content": prompt}
]
text = tokenizer.apply_chat_template(
messages,
tokenize=False,
add_generation_prompt=True
)
model_inputs = tokenizer([text], return_tensors="pt").to(model.device)
generated_ids = model.generate(
**model_inputs,
max_new_tokens=256
)
generated_ids = [
output_ids[len(input_ids):] for input_ids, output_ids in zip(model_inputs.input_ids, generated_ids)
]
response = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]
```
## **Intended Use**
- **Fact-Checking Assistants**: Quickly verify factual claims in conversation or content.
- **Digital Truth Detectors**: Misinformation and rumor detection in social feeds or news summaries.
- **Micro-Reasoning Bots**: Smart agents for short-form logic and rationale generation.
- **Multilingual Knowledge Tools**: Fact reasoning in **EN/ZH**, ideal for diverse platforms.
## **Limitations**
1. **Limited Depth**
Focused on **short-form reasoning** — may not perform well on multi-step or abstract logic tasks.
2. **Compact Model Scale**
At 0.5B parameters, it prioritizes **efficiency over complexity** — best for straightforward fact-based tasks.
3. **Language & Topic Bias**
Inherits limitations and biases from its base model Qwen2.5 0.5B. Use carefully in sensitive contexts.
4. **Prompt Clarity Required**
Structured prompts result in higher factual accuracy and shorter response latency.

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