How to use from the
Use from the
llama-cpp-python library
# !pip install llama-cpp-python

from llama_cpp import Llama

llm = Llama.from_pretrained(
	repo_id="KSP-NMAI/Boris-250M-Instruct-GGUF",
	filename="",
)
llm.create_chat_completion(
	messages = [
		{
			"role": "user",
			"content": "What is the capital of France?"
		}
	]
)

Boris-250M-Instruct-GGUF

GGUF quantizations of KSP-NMAI/Boris-250M-Instruct for llama.cpp and compatible runtimes (llama-server, LM Studio, koboldcpp, Jan).

The original safetensors weights live in the base repo — use those for finetuning or for any PyTorch-based runtime. GGUF is inference-only.

Which file should I pick?

Use Q8_0, or F16 if you want the exact reference weights.

TQ1_0, TQ2_0 and Q1_0 were built and tested but produced unusable output at this scale, so they are deliberately not published here.

Boris-250M is a small model, and quantization behaves differently at this scale than it does for 7B+ models. The token embedding table is a large fraction of the parameters and is kept at high precision by llama.cpp, which sets a hard floor on file size. The practical result: every file here is between 146 MB and 481 MB. Dropping from Q8_0 to IQ1_S saves you a few tens of megabytes while degrading output substantially. The aggressive quants are provided for completeness, not because they are a good trade.

Files

File Quant Size Notes
Boris-250M-Instruct-F16.gguf F16 481M Reference. Unquantized conversion of the safetensors weights.
Boris-250M-Instruct-BF16.gguf BF16 481M Reference, bfloat16.
Boris-250M-Instruct-Q8_0.gguf Q8_0 259M Effectively lossless. Recommended.
Boris-250M-Instruct-Q6_K.gguf Q6_K 244M Near-lossless.
Boris-250M-Instruct-Q5_K_M.gguf Q5_K_M 209M Very good quality.
Boris-250M-Instruct-Q5_K_S.gguf Q5_K_S 198M
Boris-250M-Instruct-Q5_1.gguf Q5_1 202M
Boris-250M-Instruct-Q5_0.gguf Q5_0 191M
Boris-250M-Instruct-Q4_K_M.gguf Q4_K_M 199M Standard 4-bit default for larger models.
Boris-250M-Instruct-Q4_K_S.gguf Q4_K_S 184M
Boris-250M-Instruct-Q4_1.gguf Q4_1 179M
Boris-250M-Instruct-Q4_0.gguf Q4_0 168M
Boris-250M-Instruct-IQ4_NL.gguf IQ4_NL 168M
Boris-250M-Instruct-IQ4_XS.gguf IQ4_XS 166M
Boris-250M-Instruct-Q3_K_L.gguf Q3_K_L 187M
Boris-250M-Instruct-Q3_K_M.gguf Q3_K_M 176M
Boris-250M-Instruct-Q3_K_S.gguf Q3_K_S 160M
Boris-250M-Instruct-IQ3_M.gguf IQ3_M 168M
Boris-250M-Instruct-IQ3_S.gguf IQ3_S 160M
Boris-250M-Instruct-IQ3_XS.gguf IQ3_XS 160M
Boris-250M-Instruct-IQ3_XXS.gguf IQ3_XXS 157M
Boris-250M-Instruct-Q2_K.gguf Q2_K 160M
Boris-250M-Instruct-Q2_K_S.gguf Q2_K_S 155M
Boris-250M-Instruct-IQ2_M.gguf IQ2_M 153M
Boris-250M-Instruct-IQ2_S.gguf IQ2_S 152M
Boris-250M-Instruct-IQ2_XS.gguf IQ2_XS 151M
Boris-250M-Instruct-IQ2_XXS.gguf IQ2_XXS 149M
Boris-250M-Instruct-IQ1_M.gguf IQ1_M 147M
Boris-250M-Instruct-IQ1_S.gguf IQ1_S 146M

All quantizations below 8-bit were produced with an importance matrix calibrated on 100 chunks of held-out data drawn from the model's own training mixture (60% fineweb-edu / 40% dclm).

Usage

# straight from the Hub
llama-server -hf KSP-NMAI/Boris-250M-Instruct-GGUF:Q8_0 --jinja

# or a local file
llama-server -m Boris-250M-Instruct-Q8_0.gguf --jinja

The Alpaca chat template is embedded in every file, so --jinja applies the correct prompt format automatically.

Prompt format

### Instruction:
{your instruction}

### Response:

Limitations

This is a very small instruction-tuned model. It will produce text that is frequently inaccurate, inconsistent, or offensive, and has received no alignment or safety tuning beyond supervised fine-tuning on Alpaca. Do not rely on it for factual information or deploy it without supervision.

License

Apache 2.0. Copyright 2026 Joseph Jones. See the base repository for the full notice.

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