ArchiMateGPT: Llama 3.1 8B Instruct + LoRA Adapter
Base model: meta-llama/Llama-3.1-8B-Instruct
LoRA config: r=64, α=128, dropout=0.15, target_modules=["q_proj","k_proj","v_proj","o_proj"], inference_mode=true
Intended Use
Fine-tuned to interpret and generate ArchiMate 3.1 architecture descriptions, diagrams, and modeling advice. Ideal for embedding into applications that need automated ArchiMate guidance.
Not for: personal data inference, non-architecture chat.
Quantitative Metrics
| Metric | Value |
|---|---|
| Eval loss | 0.2238 |
| Perplexity | ~4.7 |
| Eval samples/sec | ~19.23 |
Example
Click to expand
Input:
Design a high-level ArchiMate view for a cloud migration scenario.
Output:
ArchiMate View:
- Application Component: Cloud Migration Service
- Business Role: Migration Lead
- Infrastructure Service: Virtual Network
...
Inference
from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline
from peft import PeftModel
# Load base + LoRA
tokenizer = AutoTokenizer.from_pretrained(
"meta-llama/Llama-3.1-8B-Instruct", use_fast=True
)
model = AutoModelForCausalLM.from_pretrained(
"brkichle/llama3-archimate-merged",
device_map="auto", torch_dtype="auto"
)
# Create generation pipeline
pipe = pipeline(
"text-generation", model=model, tokenizer=tokenizer,
device_map="auto", return_full_text=False,
max_new_tokens=256, temperature=0.7, top_p=0.9,
repetition_penalty=1.1, pad_token_id=tokenizer.eos_token_id
)
# Run
response = pipe("Show me an ArchiMate overview of a microservices architecture.")
print(response[0]["generated_text"])
Limitations
- May hallucinate unsupported ArchiMate elements; always validate generated views with domain experts.
- Large prompts can degrade coherence.
License & Citation
MIT License. Please cite:
@misc{archimategpt2025,
title={ArchiMateGPT: LoRA‐fine‐tuned Llama 3.1 for ArchiMate 3.1},
author={Your Name},
year={2025},
publisher={Hugging Face}
}
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Evaluation results
- Eval_Loss on Archimate v3.1 instruction/completion pairsvalidation set self-reported0.149
- Eval_Runtime on Archimate v3.1 instruction/completion pairsvalidation set self-reported7.755
- Eval_Samples_Per_Second on Archimate v3.1 instruction/completion pairsvalidation set self-reported21.276
- Eval_Steps_Per_Second on Archimate v3.1 instruction/completion pairsvalidation set self-reported5.416
- Epoch on Archimate v3.1 instruction/completion pairsvalidation set self-reported5.000
- Perplexity on Archimate v3.1 instruction/completion pairsvalidation set self-reported1.160