Ornith-1.0-9B - MLX nvfp4 (complete VLM, Krill-native)

A mixed-precision nvfp4 (group 16) quantization of deepreinforce-ai/Ornith-1.0-9B, a Qwen3.5-class hybrid vision-language model.

Original model and weights by deepreinforce-ai (Ornith-1.0-9B). Full credit to them; this repo only re-quantizes their model.

Why this build

  • 👁️ Complete vision-language model, the vision tower is included. Many community MLX/quantized Ornith builds are text-only (vision stripped). This one keeps the full VLM, so it does image + text, not just text.
  • 🎯 nvfp4 mixed precision. The decoder is nvfp4 at group size 16, with down_proj and o_proj protected at 8-bit and the vision tower kept at higher precision. Smaller and faster than int4 at comparable quality.
  • Native Krill runtime (Krill v0.14.1). Runs as a native Swift + MLX model on Apple Silicon. Krill ships a from-scratch native runtime for Ornith's hybrid GatedDeltaNet (SSM) + attention decoder, not just an mlx_vlm passthrough.
  • Parity-verified. Text decoder matches mlx_vlm token-for-token on the reference checkpoint.
  • 💻 Fits a 24 GB Apple-silicon box at ~6.4 GB.

Run in Krill (recommended)

# install Krill
brew tap srvsngh99/krill && brew install krill
# or:
curl -fsSL https://raw.githubusercontent.com/srvsngh99/Krill/main/install.sh | sh

# run Ornith nvfp4 (pulls this repo)
krill run ornith-9b-nvfp4 "Give three tips for staying focused while studying."

# keep Krill up to date
krill update

Run with mlx_vlm (text + vision)

pip install -U mlx-vlm
python -m mlx_vlm generate --model srv-sngh/Ornith-9B-mlx-nvfp4 \
  --prompt "Describe this image." --image path/to/image.jpg --max-tokens 200

About Ornith-1.0-9B

A Qwen3.5-class hybrid VLM: the text decoder is a Qwen3-Next-style stack interleaving GatedDeltaNet linear-attention (SSM) layers with full softmax-attention every fourth layer, plus a vision tower. Full credit to the original creators, deepreinforce-ai.

Quantization

field value
format MLX nvfp4 (mixed precision)
group size 16
protected down_proj, o_proj @ 8-bit; vision tower at higher precision
size ~6.4 GB
contents complete VLM (text decoder + vision tower)

In Krill, the text decoder runs natively; the vision tower currently runs via mlx_vlm (native vision is a follow-up).

License

MIT, matching the base model deepreinforce-ai/Ornith-1.0-9B.

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