🌃 Neon Veil — Gemma 4 E2B Roleplay Edition

Neon Veil is a finetuned roleplay model built on Google's Gemma 4 E2B Instruct base, quantized to GGUF format for efficient local inference. It is designed to deliver immersive, multi-character roleplay with strong prose, coherent long-form storytelling, and a rich understanding of pacing, tension, and character drift.


📖 Model Overview

Field Value
Repository titan087/gemma4-e2b-neon-veil-rp
Base Model google/gemma-4-E2B-it
Architecture Gemma 4
Parameters 2.8B
Format GGUF
Quantizations Q2_K_M, Q3_K_M, Q4_K_M, Q5_K_M, Q8_0
License GPL-3.0
Context Length 65,536 tokens

💿 Available Quantizations

The model is available in the following GGUF quantizations, ranging from highly efficient (Q2_K_M) to near-lossless (Q8_0).

Quant File Size Recommended VRAM
2-bit Q2_K_M ~1.4 GB 2 GB
3-bit Q3_K_M ~1.8 GB 3 GB
4-bit Q4_K_M ~2.4 GB 4 GB
5-bit Q5_K_M ~2.8 GB 5 GB
8-bit Q8_0 ~4.3 GB 8 GB

Recommendation: For roleplay, Q4_K_M or Q5_K_M offer the best balance between quality and resource usage. Q8_0 is recommended if you have sufficient VRAM and prioritize output fidelity.


🚀 Quick Start

Using llama.cpp

# Download the model
huggingface-cli download titan087/gemma4-e2b-neon-veil-rp gemma-4-e2b-neon-veil-rp.Q4_K_M.gguf --local-dir ./models

# Run inference
./main -m ./models/gemma-4-e2b-neon-veil-rp.Q4_K_M.gguf \
  -p "[System prompt]\n\n[Your roleplay prompt here]" \
  -n 512 --temp 0.8 --top_p 0.9 --top_k 40 \
  -c 65536

Using text-generation-webui (Oobabooga)

  1. Download your preferred quant to text-generation-webui/models/neon-veil/
  2. Launch the web UI
  3. Select neon-veil from the model dropdown
  4. Recommended settings:
    • Temperature: 0.8
    • Top P: 0.9
    • Top K: 40
    • Repetition Penalty: 1.05
    • Min P (Mooncake / SillyTavern): 0.03

Using LM Studio

  1. Open LM Studio and navigate to "Download Models"
  2. Search for titan087/neon-veil
  3. Download your preferred quant
  4. Load and start chatting

✍️ Recommended Sampling Settings

Neon Veil performs best with the following sampling configuration for creative roleplay:

Parameter Value
Temperature 0.7–0.9
Top P (Nucleus) 0.85–0.9
Top K 40–50
Repetition Penalty 1.03–1.07
Min P 0.02–0.05
Frequency Penalty 0.3
Presence Penalty 0.3
Max New Tokens 512–1024

Tip: Lower temperature (0.6–0.7) for more coherent, controlled responses. Higher temperature (0.85–0.95) for creative, unpredictable storytelling.


🎭 Roleplay System Prompt Template

Neon Veil follows the Gemma 4 instruction format. Here is a recommended roleplay system prompt structure:

You are an immersive roleplay assistant. You will portray the characters and world described by the user, maintaining consistent characterization, rich environmental detail, and natural dialogue. Never break character. Never summarize or rush through scenes. Write in vivid, sensory prose with a natural pacing suitable for interactive fiction.

[Character profiles, setting, and scenario details go here]

For best results, provide clear character definitions, setting context, and scene setup in your initial prompt. The model responds well to structured formatting and explicit tone/direction cues.


🧠 Training & Fine-tuning

Neon Veil is fine-tuned from the Gemma 4 E2B Instruct checkpoint using a curated roleplay dataset. The training emphasizes:

  • Multi-turn conversational coherence
  • Character consistency across long contexts
  • Descriptive prose quality and pacing
  • Emotional nuance and tone matching
  • Instruction adherence and format compliance

📦 Hardware Compatibility

Hardware Minimum Quant Recommended Quant
Ryzen Zen 3 5000 (128GB) Q2_K_M Q8_0
8GB VRAM GPU Q3_K_M Q4_K_M
16GB+ VRAM GPU Q4_K_M Q8_0
32GB+ Unified Memory Q5_K_M Q8_0

The model is optimized to run efficiently on both CPU-only and GPU-accelerated setups. Apple Silicon (M-series) users will experience excellent performance with any quantization level.


⚠️ Limitations

  • The model may occasionally drift from character during very long roleplay sessions
  • Complex multi-character dialogue can sometimes lose speaker attribution
  • NSFW content generation is limited based on the base model's safety guidelines
  • Quality may vary for languages other than English
  • This is a first-iteration release; future versions will address current limitations

📜 License

This model is released under the GPL-3.0 License. The underlying Gemma 4 base model is subject to Google's licensing terms. Please review both licenses before use.


🙏 Credits & Acknowledgments


📬 Contact & Feedback

For bug reports, suggestions, or feedback, please open an issue on this repository or contact the maintainer directly on HuggingFace.


Neon Veil v1.0 — Built with 💀 by titan087

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