Text Generation
PEFT
Safetensors
Transformers
English
promptforge
prompt-optimization
prompt-engineering
lora
qwen2.5
conversational
Instructions to use ArjunShukla/PromptForge-Optimizer with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- PEFT
How to use ArjunShukla/PromptForge-Optimizer with PEFT:
from peft import PeftModel from transformers import AutoModelForCausalLM base_model = AutoModelForCausalLM.from_pretrained("Qwen/Qwen2.5-1.5B-Instruct") model = PeftModel.from_pretrained(base_model, "ArjunShukla/PromptForge-Optimizer") - Transformers
How to use ArjunShukla/PromptForge-Optimizer with Transformers:
# Use a pipeline as a high-level helper from transformers import pipeline pipe = pipeline("text-generation", model="ArjunShukla/PromptForge-Optimizer") messages = [ {"role": "user", "content": "Who are you?"}, ] pipe(messages)# Load model directly from transformers import AutoModel model = AutoModel.from_pretrained("ArjunShukla/PromptForge-Optimizer", device_map="auto") - Notebooks
- Google Colab
- Kaggle
- Local Apps Settings
- vLLM
How to use ArjunShukla/PromptForge-Optimizer with vLLM:
Install from pip and serve model
# Install vLLM from pip: pip install vllm # Start the vLLM server: vllm serve "ArjunShukla/PromptForge-Optimizer" # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:8000/v1/chat/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "ArjunShukla/PromptForge-Optimizer", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }'Use Docker
docker model run hf.co/ArjunShukla/PromptForge-Optimizer
- SGLang
How to use ArjunShukla/PromptForge-Optimizer with SGLang:
Install from pip and serve model
# Install SGLang from pip: pip install sglang # Start the SGLang server: python3 -m sglang.launch_server \ --model-path "ArjunShukla/PromptForge-Optimizer" \ --host 0.0.0.0 \ --port 30000 # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:30000/v1/chat/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "ArjunShukla/PromptForge-Optimizer", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }'Use Docker images
docker run --gpus all \ --shm-size 32g \ -p 30000:30000 \ -v ~/.cache/huggingface:/root/.cache/huggingface \ --env "HF_TOKEN=<secret>" \ --ipc=host \ lmsysorg/sglang:latest \ python3 -m sglang.launch_server \ --model-path "ArjunShukla/PromptForge-Optimizer" \ --host 0.0.0.0 \ --port 30000 # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:30000/v1/chat/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "ArjunShukla/PromptForge-Optimizer", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }' - Docker Model Runner
How to use ArjunShukla/PromptForge-Optimizer with Docker Model Runner:
docker model run hf.co/ArjunShukla/PromptForge-Optimizer
Upload folder using huggingface_hub
Browse files
README.md
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---
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base_model: Qwen/Qwen2.5-1.5B-Instruct
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library_name: peft
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license: mit
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language:
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- en
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pipeline_tag: text-generation
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tags:
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- promptforge
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- prompt-optimization
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- prompt-engineering
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- lora
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- peft
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- qwen2.5
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- text-generation
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- base_model:adapter:Qwen/Qwen2.5-1.5B-Instruct
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- transformers
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---
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# PromptForge-Optimizer
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LoRA adapter that rewrites **weak / vague prompts** into **clear, specific, actionable LLM prompts** while preserving the original intent and topic.
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Part of [PromptForge](https://github.com/
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## Model Details
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### Model Description
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PromptForge-Optimizer is a **PEFT/LoRA** fine-tune of [`Qwen/Qwen2.5-1.5B-Instruct`](https://huggingface.co/Qwen/Qwen2.5-1.5B-Instruct). Given a weak user prompt (plus optional quality analysis context), it generates an improved prompt with audience, constraints, structure, and output format — without changing the core topic.
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- **Developed by:** PromptForge contributors
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- **Model type:** Causal LM adapter (LoRA / PEFT)
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- **Language(s):** English
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- **License:** MIT
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- **Finetuned from:** [`Qwen/Qwen2.5-1.5B-Instruct`](https://huggingface.co/Qwen/Qwen2.5-1.5B-Instruct)
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### Model Sources
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- **Repository:** https://github.com/
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- **Companion model:** PromptForge-Quality (ModernBERT multi-dimension prompt scorer)
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- **Demo:** Gradio app in the PromptForge repo (`demo/app.py`)
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## Uses
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### Direct Use
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- Rewrite vague prompts into production-ready LLM instructions
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- Pair with **PromptForge-Quality** for score → optimize → re-score workflows
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- Local / offline prompt tooling (CLI, Python API, Gradio)
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Example weak → strong:
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| Weak | Optimized (intent preserved) |
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|------|------------------------------|
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| `Make an app about social media like facebook and stuff` | Social media / Facebook-like app prompt with profiles, feed, likes, constraints, output format |
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### Downstream Use
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- Prompt engineering assistants
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- IDE / agent tooling that improves user instructions before calling an LLM
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- Synthetic data pipelines that need higher-quality prompts
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### Out-of-Scope Use
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- Not a general chat assistant
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- Not a substitute for domain experts (legal, medical, safety-critical advice)
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- Not guaranteed to preserve intent on topics far outside the curated training set
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- Do not use to generate harmful, deceptive, or disallowed content
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## Bias, Risks, and Limitations
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- Trained on **curated synthetic** weak→strong pairs; coverage is strongest on coding apps, writing, data, research, and planning prompts
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- May invent plausible audience / stack details (e.g. “product managers”, “Flask”) when the weak prompt is underspecified
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- Small base model (**1.5B**) — quality is good for local use, not frontier-LLM rewrite quality
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- Inference includes validation + fallback in the PromptForge package; raw adapter output alone may still drift
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### Recommendations
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- Prefer the **PromptForge Python package / CLI** (chat template + stop tokens + validation) over raw `generate`
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- For new domains, add your own weak→strong pairs and retrain the LoRA
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- Always review optimized prompts before sending them to production LLMs
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## How to Get Started with the Model
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### With PromptForge (recommended)
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```bash
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pip install promptforge
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# or from source: pip install -e ".[demo]"
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python -m promptforge download \
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--quality-repo
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--optimizer-repo
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python -m promptforge run "Make an app about social media like facebook and stuff"
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```
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```python
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from promptforge import PromptForge
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pf = PromptForge(
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quality_model_path="
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optimizer_model_path="
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)
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print(pf.run("Build me a website for a startup")["optimized_prompt"])
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```
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### Load the adapter directly (PEFT)
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```python
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from peft import PeftModel
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from transformers import AutoModelForCausalLM, AutoTokenizer
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base = "Qwen/Qwen2.5-1.5B-Instruct"
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adapter = "
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tokenizer = AutoTokenizer.from_pretrained(adapter, trust_remote_code=True)
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model = AutoModelForCausalLM.from_pretrained(base, trust_remote_code=True, device_map="auto")
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model = PeftModel.from_pretrained(model, adapter)
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```
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Use Qwen’s chat template (`tokenizer.apply_chat_template`) — do not hand-roll `<|system|>` tags.
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## Training Details
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### Training Data
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- **~800** curated high-quality **weak → strong** prompt pairs
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- **~140** unique topic-preserving seeds (coding, writing, data, research, general)
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- Intent rule: optimized prompt must keep the same topic as the weak prompt
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- Assistant-only loss masking (system/user tokens not trained)
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### Training Procedure
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#### Training Hyperparameters
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| Setting | Value |
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|---------|-------|
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| Base model | `Qwen/Qwen2.5-1.5B-Instruct` |
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| Method | LoRA (PEFT) |
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| LoRA rank / alpha | 16 / 32 |
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| Target modules | q/k/v/o + MLP projections |
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| Max sequence length | 512 |
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| Epochs | 6 |
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| Effective batch size | 8 (batch 1 × grad accum 8) |
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| Learning rate | 1e-4 |
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| Precision | fp16 |
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| Gradient checkpointing | enabled |
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| Config | `configs/optimizer_fast_8gb.yaml` |
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#### Speeds, Sizes, Times
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- **Hardware:** NVIDIA GeForce RTX 5060 Laptop GPU (8 GB)
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- **Wall time:** ~87 minutes (6 epochs)
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- **Adapter size on disk:** ~82 MB
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- **Train loss:** ~0.47
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- **Validation loss:** ~0.121
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## Evaluation
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### Metrics
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| Signal | Result |
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|--------|--------|
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| Validation loss | **0.121** |
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| Example quality lift (scorer) | e.g. **41.5 → 94.0** on a social-media app prompt |
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| Intent preservation | Topic keywords retained (social / Facebook) |
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| Validation gate | Rejects empty / repetitive / low-intent outputs |
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Evaluation is primarily: held-out SFT loss + pipeline checks (score delta, instruction preservation, repetition detection). Not a public leaderboard benchmark.
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### Summary
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The adapter reliably expands vague prompts into structured instructions on in-distribution topics. Off-distribution prompts may fall back to a safer template when used through PromptForge.
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## Environmental Impact
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- **Hardware Type:** NVIDIA RTX 5060 Laptop (8 GB)
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- **Hours used:** ~1.5 h for this adapter run
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- **Cloud Provider:** N/A (local)
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- **Compute Region:** N/A
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- **Carbon Emitted:** Not measured
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## Technical Specifications
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### Model Architecture and Objective
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- Causal language model (Qwen2.5 Instruct) + LoRA
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- Objective: SFT to map weak prompt (+ analysis) → optimized prompt text only
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### Compute Infrastructure
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#### Hardware
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- RTX 5060 Laptop GPU, 8 GB VRAM
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#### Software
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- PyTorch (CUDA)
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- Transformers
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- PEFT / LoRA
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- PromptForge training scripts
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### Framework versions
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- PEFT 0.20.0
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## Citation
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```bibtex
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@software{promptforge_optimizer,
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title = {PromptForge-Optimizer},
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author = {PromptForge Contributors},
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year = {2026},
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url = {https://huggingface.co/
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}
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```
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## Model Card Contact
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Open an issue on the PromptForge GitHub repository.
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---
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base_model: Qwen/Qwen2.5-1.5B-Instruct
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| 3 |
+
library_name: peft
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| 4 |
+
license: mit
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language:
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+
- en
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pipeline_tag: text-generation
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+
tags:
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+
- promptforge
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| 10 |
+
- prompt-optimization
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+
- prompt-engineering
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| 12 |
+
- lora
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| 13 |
+
- peft
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| 14 |
+
- qwen2.5
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+
- text-generation
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+
- base_model:adapter:Qwen/Qwen2.5-1.5B-Instruct
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+
- transformers
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---
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+
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# PromptForge-Optimizer
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+
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+
LoRA adapter that rewrites **weak / vague prompts** into **clear, specific, actionable LLM prompts** while preserving the original intent and topic.
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+
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Part of [PromptForge](https://github.com/arjun988/promptModel) — local-first prompt quality scoring + optimization.
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+
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## Model Details
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+
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### Model Description
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+
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PromptForge-Optimizer is a **PEFT/LoRA** fine-tune of [`Qwen/Qwen2.5-1.5B-Instruct`](https://huggingface.co/Qwen/Qwen2.5-1.5B-Instruct). Given a weak user prompt (plus optional quality analysis context), it generates an improved prompt with audience, constraints, structure, and output format — without changing the core topic.
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+
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- **Developed by:** PromptForge contributors
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- **Model type:** Causal LM adapter (LoRA / PEFT)
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- **Language(s):** English
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- **License:** MIT
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- **Finetuned from:** [`Qwen/Qwen2.5-1.5B-Instruct`](https://huggingface.co/Qwen/Qwen2.5-1.5B-Instruct)
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### Model Sources
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- **Repository:** https://github.com/arjun988/promptModel
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- **Companion model:** PromptForge-Quality (ModernBERT multi-dimension prompt scorer)
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- **Demo:** Gradio app in the PromptForge repo (`demo/app.py`)
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## Uses
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+
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| 46 |
+
### Direct Use
|
| 47 |
+
|
| 48 |
+
- Rewrite vague prompts into production-ready LLM instructions
|
| 49 |
+
- Pair with **PromptForge-Quality** for score → optimize → re-score workflows
|
| 50 |
+
- Local / offline prompt tooling (CLI, Python API, Gradio)
|
| 51 |
+
|
| 52 |
+
Example weak → strong:
|
| 53 |
+
|
| 54 |
+
| Weak | Optimized (intent preserved) |
|
| 55 |
+
|------|------------------------------|
|
| 56 |
+
| `Make an app about social media like facebook and stuff` | Social media / Facebook-like app prompt with profiles, feed, likes, constraints, output format |
|
| 57 |
+
|
| 58 |
+
### Downstream Use
|
| 59 |
+
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| 60 |
+
- Prompt engineering assistants
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| 61 |
+
- IDE / agent tooling that improves user instructions before calling an LLM
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| 62 |
+
- Synthetic data pipelines that need higher-quality prompts
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| 63 |
+
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| 64 |
+
### Out-of-Scope Use
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| 65 |
+
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+
- Not a general chat assistant
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+
- Not a substitute for domain experts (legal, medical, safety-critical advice)
|
| 68 |
+
- Not guaranteed to preserve intent on topics far outside the curated training set
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| 69 |
+
- Do not use to generate harmful, deceptive, or disallowed content
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+
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+
## Bias, Risks, and Limitations
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+
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+
- Trained on **curated synthetic** weak→strong pairs; coverage is strongest on coding apps, writing, data, research, and planning prompts
|
| 74 |
+
- May invent plausible audience / stack details (e.g. “product managers”, “Flask”) when the weak prompt is underspecified
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| 75 |
+
- Small base model (**1.5B**) — quality is good for local use, not frontier-LLM rewrite quality
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+
- Inference includes validation + fallback in the PromptForge package; raw adapter output alone may still drift
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+
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### Recommendations
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+
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- Prefer the **PromptForge Python package / CLI** (chat template + stop tokens + validation) over raw `generate`
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- For new domains, add your own weak→strong pairs and retrain the LoRA
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- Always review optimized prompts before sending them to production LLMs
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+
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## How to Get Started with the Model
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+
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### With PromptForge (recommended)
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+
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```bash
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pip install promptforge
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# or from source: pip install -e ".[demo]"
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python -m promptforge download \
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--quality-repo ArjunShukla/PromptForge-Quality \
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--optimizer-repo ArjunShukla/PromptForge-Optimizer
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python -m promptforge run "Make an app about social media like facebook and stuff"
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```
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```python
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from promptforge import PromptForge
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pf = PromptForge(
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quality_model_path="ArjunShukla/PromptForge-Quality",
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optimizer_model_path="ArjunShukla/PromptForge-Optimizer",
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)
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print(pf.run("Build me a website for a startup")["optimized_prompt"])
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```
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### Load the adapter directly (PEFT)
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+
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```python
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from peft import PeftModel
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from transformers import AutoModelForCausalLM, AutoTokenizer
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base = "Qwen/Qwen2.5-1.5B-Instruct"
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adapter = "ArjunShukla/PromptForge-Optimizer"
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tokenizer = AutoTokenizer.from_pretrained(adapter, trust_remote_code=True)
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| 119 |
+
model = AutoModelForCausalLM.from_pretrained(base, trust_remote_code=True, device_map="auto")
|
| 120 |
+
model = PeftModel.from_pretrained(model, adapter)
|
| 121 |
+
```
|
| 122 |
+
|
| 123 |
+
Use Qwen’s chat template (`tokenizer.apply_chat_template`) — do not hand-roll `<|system|>` tags.
|
| 124 |
+
|
| 125 |
+
## Training Details
|
| 126 |
+
|
| 127 |
+
### Training Data
|
| 128 |
+
|
| 129 |
+
- **~800** curated high-quality **weak → strong** prompt pairs
|
| 130 |
+
- **~140** unique topic-preserving seeds (coding, writing, data, research, general)
|
| 131 |
+
- Intent rule: optimized prompt must keep the same topic as the weak prompt
|
| 132 |
+
- Assistant-only loss masking (system/user tokens not trained)
|
| 133 |
+
|
| 134 |
+
### Training Procedure
|
| 135 |
+
|
| 136 |
+
#### Training Hyperparameters
|
| 137 |
+
|
| 138 |
+
| Setting | Value |
|
| 139 |
+
|---------|-------|
|
| 140 |
+
| Base model | `Qwen/Qwen2.5-1.5B-Instruct` |
|
| 141 |
+
| Method | LoRA (PEFT) |
|
| 142 |
+
| LoRA rank / alpha | 16 / 32 |
|
| 143 |
+
| Target modules | q/k/v/o + MLP projections |
|
| 144 |
+
| Max sequence length | 512 |
|
| 145 |
+
| Epochs | 6 |
|
| 146 |
+
| Effective batch size | 8 (batch 1 × grad accum 8) |
|
| 147 |
+
| Learning rate | 1e-4 |
|
| 148 |
+
| Precision | fp16 |
|
| 149 |
+
| Gradient checkpointing | enabled |
|
| 150 |
+
| Config | `configs/optimizer_fast_8gb.yaml` |
|
| 151 |
+
|
| 152 |
+
#### Speeds, Sizes, Times
|
| 153 |
+
|
| 154 |
+
- **Hardware:** NVIDIA GeForce RTX 5060 Laptop GPU (8 GB)
|
| 155 |
+
- **Wall time:** ~87 minutes (6 epochs)
|
| 156 |
+
- **Adapter size on disk:** ~82 MB
|
| 157 |
+
- **Train loss:** ~0.47
|
| 158 |
+
- **Validation loss:** ~0.121
|
| 159 |
+
|
| 160 |
+
## Evaluation
|
| 161 |
+
|
| 162 |
+
### Metrics
|
| 163 |
+
|
| 164 |
+
| Signal | Result |
|
| 165 |
+
|--------|--------|
|
| 166 |
+
| Validation loss | **0.121** |
|
| 167 |
+
| Example quality lift (scorer) | e.g. **41.5 → 94.0** on a social-media app prompt |
|
| 168 |
+
| Intent preservation | Topic keywords retained (social / Facebook) |
|
| 169 |
+
| Validation gate | Rejects empty / repetitive / low-intent outputs |
|
| 170 |
+
|
| 171 |
+
Evaluation is primarily: held-out SFT loss + pipeline checks (score delta, instruction preservation, repetition detection). Not a public leaderboard benchmark.
|
| 172 |
+
|
| 173 |
+
### Summary
|
| 174 |
+
|
| 175 |
+
The adapter reliably expands vague prompts into structured instructions on in-distribution topics. Off-distribution prompts may fall back to a safer template when used through PromptForge.
|
| 176 |
+
|
| 177 |
+
## Environmental Impact
|
| 178 |
+
|
| 179 |
+
- **Hardware Type:** NVIDIA RTX 5060 Laptop (8 GB)
|
| 180 |
+
- **Hours used:** ~1.5 h for this adapter run
|
| 181 |
+
- **Cloud Provider:** N/A (local)
|
| 182 |
+
- **Compute Region:** N/A
|
| 183 |
+
- **Carbon Emitted:** Not measured
|
| 184 |
+
|
| 185 |
+
## Technical Specifications
|
| 186 |
+
|
| 187 |
+
### Model Architecture and Objective
|
| 188 |
+
|
| 189 |
+
- Causal language model (Qwen2.5 Instruct) + LoRA
|
| 190 |
+
- Objective: SFT to map weak prompt (+ analysis) → optimized prompt text only
|
| 191 |
+
|
| 192 |
+
### Compute Infrastructure
|
| 193 |
+
|
| 194 |
+
#### Hardware
|
| 195 |
+
|
| 196 |
+
- RTX 5060 Laptop GPU, 8 GB VRAM
|
| 197 |
+
|
| 198 |
+
#### Software
|
| 199 |
+
|
| 200 |
+
- PyTorch (CUDA)
|
| 201 |
+
- Transformers
|
| 202 |
+
- PEFT / LoRA
|
| 203 |
+
- PromptForge training scripts
|
| 204 |
+
|
| 205 |
+
### Framework versions
|
| 206 |
+
|
| 207 |
+
- PEFT 0.20.0
|
| 208 |
+
|
| 209 |
+
## Citation
|
| 210 |
+
|
| 211 |
+
```bibtex
|
| 212 |
+
@software{promptforge_optimizer,
|
| 213 |
+
title = {PromptForge-Optimizer},
|
| 214 |
+
author = {PromptForge Contributors},
|
| 215 |
+
year = {2026},
|
| 216 |
+
url = {https://huggingface.co/ArjunShukla/PromptForge-Optimizer}
|
| 217 |
+
}
|
| 218 |
+
```
|
| 219 |
+
|
| 220 |
+
## Model Card Contact
|
| 221 |
+
|
| 222 |
+
Open an issue on the PromptForge GitHub repository.
|