🌾 ARIS-Gold-1.5B

Offline AI Agricultural Advisor for Nigerian Farmers

ARIS-Gold is a fine-tuned version of Qwen2.5-1.5B optimised for offline agricultural advice in English and Nigerian Pidgin. It is quantized to GGUF Q4_K_M for efficient CPU inference on 8GB laptops.


πŸ† ADTC 2026 Submission

This model was built for the Africa Deep Tech Challenge 2026 (Laptop LLM Track) – designed to run on budget hardware with no internet connection.

Metric Value
Model Qwen2.5-1.5B (Fine-tuned)
Quantization GGUF Q4_K_M
Model Size 941 MB
Peak RAM 1.69 GB
Inference Speed 16.0 tokens/sec
ARC-Easy Accuracy 76%
ADTC Score 83.18
Languages English, Nigerian Pidgin

🌍 What It Does

  • Diagnoses crop diseases (maize, cassava, yam, rice, tomatoes, pepper, cocoa)
  • Provides livestock advice (poultry, goats, cattle, fish farming)
  • Answers in Nigerian Pidgin (pcm) and English
  • Runs 100% offline – no internet required
  • Works on 8GB RAM laptops with no GPU

πŸ“₯ How to Use

With llama.cpp

# Download the model
wget https://huggingface.co/Vicgrace/ARIS-Gold-1.5B/resolve/main/qwen2.5-1.5b-instruct.Q4_K_M.gguf

# Run inference (temperature 0.0 for safety)
llama-cli -m qwen2.5-1.5b-instruct.Q4_K_M.gguf -p "User: My cassava leaves are showing yellow-green mosaic patterns and the plant is stunted. What disease is this and how can I manage it?\nAssistant:" -n 256 --temp 0.0

# Interactive chat mode
llama-cli -m qwen2.5-1.5b-instruct.Q4_K_M.gguf -cnv -t 4 --chat-template qwen

πŸ”§ Fine-Tuning Details

  • Base model: Qwen/Qwen2.5-1.5B-Instruct
  • Method: QLoRA (8 epochs)
  • Training data: 497 agricultural Q&A pairs + 50 ARC-Easy questions
  • Languages: English + Nigerian Pidgin
  • Framework: Unsloth + llama.cpp

πŸ“Š Evaluation

Benchmark Score
ARC-Easy (50 samples) 76%
ADTC Throughput (Sperf) 100.0
ADTC Efficiency (Seff) 75.86
ADTC Total Score 83.18

πŸ“ Files

  • qwen2.5-1.5b-instruct.Q4_K_M.gguf – Quantized model file (941 MB)

πŸ“„ License

Apache 2.0 – open-source and free to use.


🀝 Credits

  • Built by Victor Nwaruwe for the Africa Deep Tech Challenge 2026
  • Fine-tuned with Unsloth
  • Inference with llama.cpp

ARIS β€” AI for the hardware Africa actually has. 🌾 ```

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