Ingot-II-27B-Q2

A public mirror of a model that won on Ingot, a Bittensor subnet where miners quantize a fixed teacher model and the validator crowns the copy that stays closest to it.

It is Prism ML's Ternary Bonsai 2 27B, refined: the same ternary codes, with the per-block scales and the norm weights re-tuned by the miner to bring it closer to Qwen3.8-27B.

  • Submitted by miner hotkey 5Gjbk5EZP1wm9G2CrtqmMT19TmjwNZtn6E6i6Z5zPM7h2DZR (uid 147)
  • Crowned from submission 3f79f454-232a-4acf-b8dd-296f199c9dfb

The weights are the miner's upload, byte for byte. Credit belongs to the miner, and to Prism ML for Bonsai 2.

How close it is to the teacher

Per answer token, against the BF16 teacher reading the same answer: KL(teacher โ€– model) of the next-token distributions, and the hidden-state distance |h โˆ’ h_teacher| / |h_teacher| averaged over every 8th layer. Lower is closer.

KL hidden-state distance
this model, in its winning eval 0.11245 0.3864
the king it beat, same eval 0.11556 0.3960

Running it

Ingot-II-27B-PQ2_0.gguf is a gguf with the layout, tokenizer and Hadamard rotation of dendriteholdings/Ingot-genesis-27B-Q2 (Ingot-genesis-27B-Q2.gguf), its ternary codes Bonsai 2's and its scales and norm weights the miner's. Stock llama.cpp does not run it; the PrismML fork does, at the commit Ingot scored it with, e3de715:

git clone https://github.com/PrismML-Eng/llama.cpp && cd llama.cpp && git checkout e3de715222b2667c54a267441159a5729f11155e
cmake -B build -DGGML_CUDA=ON && cmake --build build -j
build/bin/llama-server -m Ingot-II-27B-PQ2_0.gguf -ngl 99 -fa on --jinja

Faster generation

We trained a DFlash 2 speculative-decoding drafter for this model family, dendriteholdings/Ingot-27B-DFlash2. It proposes several tokens at a time and the model verifies each one, so it decodes about 1.8x faster in greedy single-stream chat and about 1.3-1.4x when sampling, at the cost of about 6 GB more VRAM. The same fork runs it:

hf download dendriteholdings/Ingot-27B-DFlash2 Ingot-27B-DFlash2-Q8_0.gguf --local-dir .
build/bin/llama-server -m Ingot-II-27B-PQ2_0.gguf -md Ingot-27B-DFlash2-Q8_0.gguf --spec-type draft-dflash --spec-draft-n-max 5 -ngl 99 -fa on --jinja

With images

The file is the text model. For image input, add the vision tower of prism-ml/Ternary-Bonsai-2-27B-gguf as a projector (Ternary-Bonsai-2-27B-mmproj-Q8_0.gguf, Ternary-Bonsai-2-27B-mmproj-BF16.gguf). It was made for genesis, not for this model's weights, and Ingot scores the text model only, so image quality is untested:

hf download prism-ml/Ternary-Bonsai-2-27B-gguf Ternary-Bonsai-2-27B-mmproj-Q8_0.gguf --revision b072e1d3b35a0a630cece372c2127528e0994386 --local-dir .
build/bin/llama-server -m Ingot-II-27B-PQ2_0.gguf --mmproj Ternary-Bonsai-2-27B-mmproj-Q8_0.gguf -ngl 99 -fa on --jinja

The same weights as an MLX pack for Apple Silicon: dendriteholdings/Ingot-II-27B-MLX-2bit.

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