Charty-1B-GGUF

Charty-1B — GGUF

Quantized GGUF versions of Charty-1B, a compact text-to-Mermaid diagram generation model fine-tuned from LFM2.5-1.2B-Instruct. Designed for on-device, mobile, and CPU-only inference.

For the original 16-bit safetensors, see ali-thowfeek/Charty-1B.

📦 Available Quantizations

🗒️ Model Details

💬 Chat Template (Unsloth's Fixed Template)

This model ships with Unsloth's fixed Jinja chat template embedded in the GGUF versions and is applied automatically by llama.cpp with --jinja.

🎯 Intended Use

Generate Mermaid diagram syntax (flowcharts, sequence, class, state, ER, Gantt, pie, git graphs, mindmaps, quadrant charts, …) from plain-text prompts. Run on low-end hardware: mobile phones, edge devices, laptops, embedded systems. Power apps that need offline, private, diagram-as-code generation.

What it does

Input (user prompt):

Create a flowchart showing the user login process with MFA verification.

Output (model response):

graph TD
    A[User Visits Login Page] --> B[Enter Credentials]
    B --> C{Credentials Valid?}
    C -->|No| D[Show Error Message]
    D --> B
    C -->|Yes| E[Send MFA Code]
    E --> F[Enter MFA Code]
    F --> G{MFA Valid?}
    G -->|No| H[Show MFA Error]
    H --> F
    G -->|Yes| I[Grant Access]

The model outputs only the Mermaid syntax code. No wrapping text, no mermaid fences.

🏃 Inference

Recommended Generation Parameters

📊 Training Details

📜 License

This model is a derivative work of LFM2.5-1.2B-Instruct by Liquid AI and is released under the LFM Open License v1.0.

Key terms:

• ✅ Free for research, personal, and non-commercial use.
• ✅ Commercial use permitted for entities with < $10M annual revenue.
• ❌ Commercial use by entities with ≥ $10M annual revenue is not licensed.
• You must include a copy of the LICENSE with any redistribution.
• You must retain all copyright and attribution notices.

See the full LICENSE file in this repository for complete terms.

📚 Citation

If you use this model, please cite the base model and this work:

@article{liquidai2025lfm2,
  title   = {LFM2 Technical Report},
  author  = {Liquid AI},
  journal = {arXiv preprint arXiv:2511.23404},
  year    = {2025}
}

@misc{thowfeek2026charty,
  title  = {Charty-1B: A Text-to-Mermaid Diagram Generation Model},
  author = {ali-thowfeek},
  year   = {2026},
  url    = {https://huggingface.co/ali-thowfeek/Charty-1B}
}

🙏 Acknowledgements

• Liquid AI — LFM2.5 base model
• Unsloth — 2× faster fine-tuning framework
• Celiadraw — Original text-to-mermaid dataset source
• Hugging Face — TRL library and model hosting