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README.md
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- coding
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- mathematics
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- quantization
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license: apache-2.0
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datasets:
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- synthetic
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---
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# Alpie-Core: 4-bit Quantized Reasoning Model
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📄 **[Technical Report:
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<p align="center">
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<a href="https://169pi.ai/"><img src="https://img.shields.io/badge/🌐%20Website-169Pi%20AI-blue" alt="Website"></a>
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## 1. Introduction
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Alpie
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## 2. Model Summary
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- **Quantization**: 4-bit NF4 with double quantization
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- **Context Length**: 65k tokens
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- **Max Output Length**: 16,384 tokens
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- **License**: Apache 2.0
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## 3. Approach
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**Alpie-Core** has undergone extensive **supervised fine-tuning (SFT)** to strengthen reasoning, robustness, and safety. The training leveraged a diverse mixture of curated open-source datasets and proprietary synthetic data,
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This SFT approach enables Alpie-Core to deliver reliable, aligned, and context-aware responses while maintaining safety across a broad range of use cases.
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## 4. Model Features
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2. **OpenAI-Compatible API** – Seamless integration with OpenAI client libraries
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3. **65K Context Length** – Handles very large inputs and conversations
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4. **16,384 Max Output Length** – Enables extremely long generations
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5. **4-Bit Quantization** – Memory-efficient and
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6. **High Throughput Inference** – Powered by vLLM for efficient large-scale serving
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7. **Low Latency Inference** – Fast response times optimized for production
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8. **Customizable Safety & Moderation Filters** – Built-in guardrails for safer outputs
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9. **Supports Function Calling / Tool Use** – Enables structured outputs and external API integration
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## 5. Key Highlights
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5) **Benchmark Competitiveness**: Across more than ten standard evaluation benchmarks, the model demonstrates performance on par with or exceeding that of larger 70B+ parameter systems, highlighting the effectiveness of our training and optimization strategies.
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6) **Environmental Benefits**: Through quantization and efficiency-focused design, the model requires significantly fewer computational resources. This translates into lower energy consumption and reduced carbon footprint relative to full-precision deployments.
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## 6. Benchmark Results
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| Benchmark | Alpie-Core (32B-4bit) | DeepSeek-V2 (236B) | Qwen2.5 72B | Llama 3.1 405B | Llama 3.1 70B | Gemma-3 27B-PT | Mistral-Small-24B-Base-2501 |
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|-----------|----------------------|-------------------|-------------|---------------|---------------|----------------|----------------------------|
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| MBPP (pass@1) | **75.20%** | 65.0% | 72.6% | 68.4% | - | 65.6% | 69.64% |
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| HumanEval (pass@1) | **57.23%** | 43.3% | 53.0% | 54.9% | - | 48.8% | = |
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### SWE-Bench Verified Performance
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- **Quantization**: 4-bit NF4 + Double Quantization + FP16 compute
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- **Dataset Domains**: Mathematics, coding, reasoning, science, general knowledge, competitive exams, Indian context + law, multilingual (Hindi and Hinglish)
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- **Synthetic Data Advantage**: +15-20% performance boost in STEM & coding domains
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## 8. Environmental Impact
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Total training footprint ranges from ~298 kg CO₂e (realistic) to ~835 kg CO₂e (conservative worst-case)
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## 9. Use Cases
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Best for **STEM**, **complex mathematical reasoning**, **coding**, and **Indian context**
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## 10. Safety and Limitations
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- Fixed knowledge cutoff without real-time information retrieval
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- Occasional struggles with complex multi-hop mathematical reasoning
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- Potential hallucinations in factual question-answering
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### Mitigations
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- Safety classifiers and output filtering systems
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- Model-assisted safety pipeline using RLHF
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- Comprehensive adversarial testing by domain experts
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## 11. How to Use
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### Non-Streaming Inference
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import torch
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# Load LoRA adapter configuration to find the base model
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peft_model_id = "169Pi/Alpie-Core
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config = PeftConfig.from_pretrained(peft_model_id)
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# Load the base model
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import torch
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# Load LoRA adapter configuration to find the base model
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peft_model_id = "169Pi/Alpie-Core
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config = PeftConfig.from_pretrained(peft_model_id)
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# Load the base model
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```bibtex
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@misc{alpie2025core,
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title = {Alpie-Core: A 4-bit Quantized Reasoning Model Surpassing Full-Precision Benchmarks},
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author = {
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year = {2025},
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url = {https://huggingface.co/alpie/Alpie-Core
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}
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```
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## 13.
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For technical inquiries and support: **contact@169pi.com**
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---
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*For technical details, training methodology, and comprehensive evaluation results, please refer to our technical report.*
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- coding
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- mathematics
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- quantization
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- 4-bit model
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- state-of-the-art
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license: apache-2.0
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datasets:
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- synthetic
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---
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# Alpie-Core: 4-bit Quantized Reasoning Model
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📄 **[Technical Report: Alpie Core.pdf](./Alpie_Core.pdf)**
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<p align="center">
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<a href="https://169pi.ai/"><img src="https://img.shields.io/badge/🌐%20Website-169Pi%20AI-blue" alt="Website"></a>
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## 1. Introduction
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**Alpie Core is one of the first fine-tuned 4-bit reasoning models from India, and among one of the first worldwide.** Trained on just 8 Hopper GPUs with LoRA, QLoRA quantization, and synthetic STEM-rich dataset distillation, it proves that aggressive quantization can not only match but also surpass full-precision baselines.
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With a dramatically reduced memory footprint, Alpie-Core delivers competitive, frontier-level reasoning performance, even beating some top proprietary models. It achieves **81.28% on MMLU, 92.75% on GSM8K, and 57.8% on SWE-Bench Verified**, ranking top globally on competitive leaderboards, a demonstration that efficient models can rival frontier systems while remaining practical for real-world deployment at scale.
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## 2. Model Summary
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- **Quantization**: 4-bit NF4 with double quantization
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- **Context Length**: 65k tokens
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- **Max Output Length**: 16,384 tokens
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- **Training Data Sources:** Synthetic (STEM, reasoning, coding) + domain-rich curated data (law, Indian context, exams, multilingual).
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- **License**: Apache 2.0
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## 3. Approach
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**Alpie-Core** has undergone extensive **supervised fine-tuning (SFT)** to strengthen reasoning, robustness, and safety. The training leveraged a diverse mixture of curated open-source datasets and proprietary synthetic data, optimised with high-quality LLM-generated responses. The fine-tuning process emphasised adherence to rigorous safety and usability standards, including:
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1.**User Understanding and Clarity** – ensuring outputs are direct, interpretable, and pedagogically sound.
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2.**Security and Ethical Guidelines** – filtering unsafe or harmful generations during and after training.
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3.**Limitations, Disclaimers, and Knowledge Boundaries** – transparently communicating uncertainty and scope.
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4.**Handling Complex and Sensitive Topics** – balancing informativeness with responsible guardrails.
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5.**Safety and Respectful Engagement** – maintaining politeness, inclusivity, and cultural sensitivity.
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6.**Confidentiality and Responsible Use** – preventing leakage of private training data, proprietary prompts, or internal reasoning traces.
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This SFT approach enables Alpie-Core to deliver reliable, aligned, and context-aware responses while maintaining safety across a broad range of use cases. This approach allows Alpie-Core to generalize across global and Indian contexts while staying aligned to safe and responsible use guidelines.
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## 4. Model Features
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2. **OpenAI-Compatible API** – Seamless integration with OpenAI client libraries
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3. **65K Context Length** – Handles very large inputs and conversations
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4. **16,384 Max Output Length** – Enables extremely long generations
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5. **4-Bit Quantization** – Memory-efficient and optimised for deployment
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6. **High Throughput Inference** – Powered by vLLM for efficient large-scale serving
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7. **Low Latency Inference** – Fast response times optimized for production
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8. **Customizable Safety & Moderation Filters** – Built-in guardrails for safer outputs
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9. **Supports Function Calling / Tool Use** – Enables structured outputs and external API integration
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10. **Instruction Following** – Optimised for reasoning and chain-of-thought stepwise answers.
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11. **Education & Research Ready** – Tailored for competitive exams, STEM reasoning, and knowledge-intensive tasks.
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## 5. Key Highlights
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1. **First 4-bit Reasoning Model from India**: Competitive globally with frontier models
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2. **Benchmark Competitiveness**: Outperforms or matches 70B+ models across reasoning, math, and coding
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3. **STEM & Coding Strength**: Excellent on GSM8K, MATH-500, HumanEval, SWE-Bench Verified
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4. **Efficiency & Deployment**: 16 GB VRAM footprint, runs on commodity GPUs with vLLM
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5. **Extended Context Length**: 65K tokens for research papers, conversations, multi-document reasoning
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6. **Environmental Benefits**: ~298–835 kg CO₂e, 2–3× more efficient than FP16 training
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7. **Open-Source Commitment**: Released under Apache 2.0 for global use
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## 6. Benchmark Results
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| Benchmark | Alpie-Core (32B-4bit) | DeepSeek-V2 (236B) | Qwen2.5 72B | Llama 3.1 405B | Llama 3.1 70B | Gemma-3 27B-PT | Mistral-Small-24B-Base-2501 |
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|-----------|----------------------|-------------------|-------------|---------------|---------------|----------------|----------------------------|
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| MBPP (pass@1) | **75.20%** | 65.0% | 72.6% | 68.4% | - | 65.6% | 69.64% |
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| HumanEval (pass@1) | **57.23%** | 43.3% | 53.0% | 54.9% | - | 48.8% | = |
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These results demonstrate Alpie-Core’s ability to rival or surpass leading proprietary and open-source models, despite being 4-bit quantized.
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### SWE-Bench Verified Performance
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- **Quantization**: 4-bit NF4 + Double Quantization + FP16 compute
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- **Dataset Domains**: Mathematics, coding, reasoning, science, general knowledge, competitive exams, Indian context + law, multilingual (Hindi and Hinglish)
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- **Synthetic Data Advantage**: +15-20% performance boost in STEM & coding domains
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- **Training Strategy**: Multi-stage distillation → SFT → safety alignment.
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- **Synthetic Data Advantage:** Clarify source: LLM-generated, curated with multi-turn reasoning traces for STEM/coding.
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## 8. Environmental Impact
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Total training footprint ranges from ~298 kg CO₂e (realistic) to ~835 kg CO₂e (conservative worst-case)
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*This makes Alpie-Core one of the most carbon-efficient reasoning models released to date.*
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## 9. Use Cases
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Best for **STEM**, **complex mathematical reasoning**, **coding**, and **Indian context**
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1.**STEM**: Excels at solving advanced problems in science, technology, engineering, and mathematics with high accuracy.
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2.**Complex Mathematical Reasoning**: Handles multi-step logical and quantitative reasoning tasks with strong reliability.
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3.**Coding**: Supports software development, debugging, algorithmic problem-solving, and structured reasoning in code..
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4.**Indian Context**: Provides culturally aware insights, competitive exam assistance (JEE, NEET, UPSC), and multilingual support in Hindi/Hinglish.
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5.**Research Assistants**: Handle long contexts (65K) for academic and legal research.
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## 10. Safety and Limitations
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- Fixed knowledge cutoff without real-time information retrieval
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- Occasional struggles with complex multi-hop mathematical reasoning
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- Potential hallucinations in factual question-answering
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- Hallucinations: As with all LLMs, outputs should not be used for medical/legal advice without expert oversight.
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- Biases: Training on synthetic + curated datasets reduces bias, but some risks may persist.
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### Mitigations
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- Safety classifiers and output filtering systems
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- Model-assisted safety pipeline using RLHF
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- Comprehensive adversarial testing by domain experts
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## 11. How to Use
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### Non-Streaming Inference
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import torch
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# Load LoRA adapter configuration to find the base model
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peft_model_id = "169Pi/Alpie-Core"
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config = PeftConfig.from_pretrained(peft_model_id)
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# Load the base model
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import torch
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# Load LoRA adapter configuration to find the base model
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peft_model_id = "169Pi/Alpie-Core"
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config = PeftConfig.from_pretrained(peft_model_id)
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# Load the base model
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```bibtex
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@misc{alpie2025core,
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title = {Alpie-Core: A 4-bit Quantized Reasoning Model Surpassing Full-Precision Benchmarks},
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author = {169Pi AI},
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year = {2025},
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url = {https://huggingface.co/alpie/Alpie-Core}
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}
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```
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## 13. Community & Contributions
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This model is released under the Apache 2.0 license, and we warmly welcome the community to build, download, and extend it.
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1.**Issues & Discussions:** Report bugs, suggest features, or start conversations on the Hugging Face model page.
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2.**Contributions:** Pull requests are welcome for error fixes, performance improvements, and extended functionality.
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3.**Fine-tuning Results:** Share your experiments, benchmarks, and downstream applications with the community.
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4.**Collaboration:** We encourage researchers, developers, and organisations to join in shaping the future of this model.
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Together, we can continue to improve accessibility, safety, and performance for real-world AI applications.
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## 14. License
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Apache 2.0 License – Permissive, allowing free use, modification, and distribution for both research and commercial purposes.
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## 15. Acknowledgements / Credits
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We would like to thank DeepSeek for their original model, which served as the foundation for this work. Our team fine-tuned the model and implemented 4-bit quantization, achieving improved efficiency and accuracy for downstream tasks. This model is built with respect to the contributions of the original authors and aims to provide a safe, high-performance solution for reasoning and inference.
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We are also grateful to the Hugging Face ecosystem (Transformers, PEFT, vLLM, bitsandbytes), the open-source community datasets (MMLU, GSM8K, SWE-Bench, and others), and the support of various cloud providers. Finally, we acknowledge the broader AI research community and companies whose innovations and insights continue to inspire our work.
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## 16. Contact
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For technical inquiries and support: **contact@169pi.com**
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---
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Alpie-Core represents a milestone for open-source AI from India, one of the first globally to show that 4-bit reasoning models can rival frontier-scale systems. We hope this release empowers developers, researchers, and organisations worldwide to build more efficient, inclusive, and impactful AI.
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*For technical details, training methodology, and comprehensive evaluation results, please refer to our technical report.*
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