95 lines
2.6 KiB
Markdown
95 lines
2.6 KiB
Markdown
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---
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license: apache-2.0
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base_model: Qwen/Qwen3-4B-Instruct-2507
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tags:
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- roleplay
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- creative-writing
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- sft
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- qwen3
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datasets:
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- flammenai/flame-kindling-v1
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language:
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- en
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pipeline_tag: text-generation
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library_name: transformers
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---
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# qwen-4b-2507-rp-mahou
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A full-parameter SFT of [`Qwen/Qwen3-4B-Instruct-2507`](https://huggingface.co/Qwen/Qwen3-4B-Instruct-2507) on [`flammenai/flame-kindling-v1`](https://huggingface.co/datasets/flammenai/flame-kindling-v1) for creative roleplay and character interaction.
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## Highlights
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- Base: Qwen3-4B-Instruct-2507
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- Method: full-sequence SFT (no LoRA)
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- Dataset: flame-kindling-v1 (RP / creative writing)
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- Precision: bf16
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- Chat template: Qwen3 (use `enable_thinking=False` for RP)
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## Usage
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```python
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import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer
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MODEL_ID = "Pranavz/qwen-4b-2507-rp-mahou"
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tokenizer = AutoTokenizer.from_pretrained(MODEL_ID)
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model = AutoModelForCausalLM.from_pretrained(
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MODEL_ID,
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torch_dtype=torch.bfloat16,
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device_map="auto",
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)
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messages = [
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{"role": "system", "content": "You are a creative roleplay assistant. Stay in character, write vividly, and use asterisks for actions."},
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{"role": "user", "content": "*walks into the tavern, shaking off the rain* Evening, barkeep. Got a room?"},
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]
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text = tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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add_generation_prompt=True,
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enable_thinking=False,
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)
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inputs = tokenizer(text, return_tensors="pt").to(model.device)
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with torch.inference_mode():
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out = model.generate(
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**inputs,
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max_new_tokens=512,
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temperature=0.8,
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top_p=0.9,
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top_k=40,
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repetition_penalty=1.1,
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do_sample=True,
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)
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print(tokenizer.decode(out[0][inputs.input_ids.shape[1]:], skip_special_tokens=True))
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```
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## Recommended sampler settings
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| Parameter | Value | Notes |
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|---|---|---|
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| `temperature` | 0.7 – 0.85 | creative without going off-rails |
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| `top_p` | 0.9 | trim the long tail |
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| `top_k` | 40 | hard vocab cap |
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| `min_p` | 0.05 | optional, often nicer than top_p alone |
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| `repetition_penalty` | 1.05 – 1.15 | RP models love loops — kill them |
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| `max_new_tokens` | 512 – 1024 | RP needs room |
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Always pass `enable_thinking=False` to the chat template — RP doesn't want CoT.
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## Limitations
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- Trained on a single curated RP dataset; expect a particular tone (vivid, action-asterisk style)
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- Not safety-tuned beyond what the base model provides
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- English only
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## Acknowledgements
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- Base model: [Qwen team](https://huggingface.co/Qwen)
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- Dataset: [flammenai/flame-kindling-v1](https://huggingface.co/datasets/flammenai/flame-kindling-v1)
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