ANMOLGPT-4B-v0.2

Second public release of the ANMOLGPT family of open-source Large Language Models.

Overview

ANMOLGPT-4B-v0.2 is an instruction-following language model built by fine-tuning Qwen3.5-4B using QLoRA with Unsloth Studio.

This release builds upon the foundation established by ANMOLGPT-3B-v0.1, introducing a more capable base model while preserving the project's focus on reproducible training, transparent evaluation, and open-source development.

The objective of v0.2 is to improve reasoning, instruction following, and overall language understanding while providing a stronger foundation for future releases.


Base Model

  • Model: Qwen3.5-4B
  • Fine-tuning Method: QLoRA
  • Framework: Unsloth Studio
  • Export Format: Hugging Face Transformers

Training Details

Dataset

  • Databricks Dolly 25K

Training Configuration

Parameter Value
Base Model Qwen3.5-4B
Fine-tuning QLoRA
Quantization 4-bit
Framework Unsloth Studio
Optimizer AdamW
Precision 4-bit

Benchmark Results

Benchmark Comparison

Benchmark ANMOLGPT-3B-v0.1 ANMOLGPT-4B-v0.2
HellaSwag (acc_norm) 73.21 73.25
PIQA 77.97 77.97
ARC-Easy 77.95 77.86
Winogrande 70.24 70.24
TruthfulQA MC2 42.52 42.52
MMLU 65.59 65.60

Example Usage

from transformers import AutoTokenizer, AutoModelForCausalLM

model_name = "anmoldhandhania93/ANMOLGPT-4B-v0.2"

tokenizer = AutoTokenizer.from_pretrained(model_name)

model = AutoModelForCausalLM.from_pretrained(
    model_name,
    device_map="auto"
)

prompt = "Explain how reinforcement learning differs from supervised learning."

inputs = tokenizer(prompt, return_tensors="pt")

outputs = model.generate(
    **inputs,
    max_new_tokens=256,
    temperature=0.7
)

print(tokenizer.decode(outputs[0], skip_special_tokens=True))

Intended Uses

ANMOLGPT-4B-v0.2 is suitable for:

  • Conversational AI
  • Learning and experimentation
  • Prompt engineering
  • Educational applications
  • Software development assistance
  • General-purpose text generation

Limitations

This model is an experimental open-source release.

Limitations include:

  • May produce inaccurate or fabricated information.
  • Performance has not yet been fully benchmarked across all standard evaluations.
  • Not intended for safety-critical or production use without additional validation.
  • Outputs should be reviewed before use in professional environments.

Roadmap

v0.2

  • ✅ Upgraded to Qwen3.5-4B
  • ✅ Improved training pipeline
  • 🔄 Comprehensive benchmark evaluation

v0.5

  • Mixed high-quality instruction datasets
  • Longer training schedule
  • Improved reasoning and coding capabilities

v1.0

  • Domain-specific continued pre-training
  • Advanced instruction tuning
  • Human evaluation
  • Retrieval-Augmented Generation (RAG)
  • Tool calling
  • Production-ready deployment

Project Goals

The long-term goal of ANMOLGPT is to explore efficient and transparent development of open-source language models while documenting the complete engineering lifecycle:

  • Training
  • Fine-tuning
  • Benchmarking
  • Deployment
  • Continuous improvement

Acknowledgements

ANMOLGPT is built using the outstanding work of the open-source AI community.

Special thanks to:

  • Qwen Team
  • Unsloth AI
  • Hugging Face
  • EleutherAI
  • Databricks (Dolly Dataset)

Citation

@misc{anmolgpt2026,
  title={ANMOLGPT-4B-v0.2},
  author={Anmol Dhandhania},
  year={2026},
  publisher={Hugging Face},
  url={https://huggingface.co/anmoldhandhania93/ANMOLGPT-4B-v0.2}
}

Future Work

Upcoming releases will focus on:

  • Higher-quality instruction datasets
  • Continued pre-training for domain adaptation
  • Stronger reasoning capabilities
  • Coding improvements
  • Comprehensive benchmark comparisons
  • Efficient inference optimization

Feedback, issues, and contributions are always welcome.

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