Liquid Crow

Liquid Crow by Vitrus

A small brain. Intelligent. Always observing.

Liquid Crow is a compact visual brain designed to stay close to the world it watches: small enough to live beside physical agents, intelligent enough to turn a camera frame into useful context, and always observing so the system can understand what changes next.

Live camera demo ยท Research note ยท Vitrus

System

camera frame โ†’ image processor โ†’ vision projector โ†’ compact VLM โ†’ world description
                                        โ”‚
                         LoRA ยท ONNX ยท ONNX Q4 ยท GGUF

This repository is the single public release point for Liquid Crow: the model adapter, deployment formats, processor configuration, integrity manifests, code examples, and media.

Example

Liquid Crow visual comparison

Repository layout

Path Contents
lora/ PEFT LoRA adapter and processor files
onnx/model.onnx FP16 ONNX forward-logits graph
onnx/model-q4.onnx ONNX Runtime weight-only 4-bit graph
gguf/ Q4_K_M language model and FP16 vision projector
transformers/ tokenizer, processor, chat template, and model configuration
examples/ LoRA, ONNX Runtime, and llama.cpp examples
media/ cover image and animated example
RELEASE_MANIFEST.json sizes and SHA-256 hashes for the primary artifacts

Quick start: LoRA

pip install torch transformers peft pillow huggingface_hub
python examples/load_lora.py path/to/image.jpg

The example downloads the Liquid Crow adapter from this repository and applies it to LiquidAI/LFM2.5-VL-450M-Extract.

Quick start: GGUF

hf download lucas-vitrus/liquid-crow \
  gguf/LFM2.5-VL-450M-reasoning-tracing-step2000-Q4_K_M.gguf \
  gguf/LFM2.5-VL-450M-reasoning-tracing-step2000-mmproj-f16.gguf \
  --local-dir ./liquid-crow

llama-server \
  -m ./liquid-crow/gguf/LFM2.5-VL-450M-reasoning-tracing-step2000-Q4_K_M.gguf \
  --mmproj ./liquid-crow/gguf/LFM2.5-VL-450M-reasoning-tracing-step2000-mmproj-f16.gguf \
  -c 1024 --image-min-tokens 64 --image-max-tokens 256

Quick start: ONNX Runtime

pip install onnxruntime transformers torch pillow huggingface_hub
python examples/onnx_forward.py path/to/image.jpg --quantized

The ONNX files expose a multimodal forward-logits graph. Autoregressive generation remains the responsibility of the consuming runtime. The quantized graph requires ONNX Runtime support for com.microsoft::MatMulNBits.

Runtime notes

  • Both GGUF files are required for visual inference.
  • The LoRA adapter requires the base model.
  • lora/ contains the final adapter; the ONNX and GGUF deployment exports use the selected step-2,000 checkpoint.
  • onnx/model-q4.onnx quantizes eligible matrix weights; other operations retain their exported precision.
  • See SHA256SUMS and export_manifest.json for artifact integrity and interface details.

License

Liquid Crow is released under the Creative Commons Attribution-NonCommercial 4.0 International license. Commercial use is not permitted without separate written permission from Vitrus.

The underlying base model and any third-party components remain subject to their respective upstream terms. You must comply with all applicable licenses; where terms differ, the more restrictive terms apply.

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