Open-Xi-Math-Preview-GGUF

Open-Xi-Math-Preview is a mathematics-focused reasoning model fine-tuned on Qwen2-1.5B-Instruct, utilizing a modular dataset designed for enhancing mathematical thinking. It provides robust capabilities in symbolic reasoning, structured deduction, and compact coding — optimized for edge deployment on resource-constrained devices.

Model Files

File Name	Size	Quantization	Format	Description
Open-Xi-Math-Preview.BF16.gguf	3.56 GB	BF16	GGUF	BFloat16 precision version
Open-Xi-Math-Preview.F16.gguf	3.56 GB	FP16	GGUF	Float16 precision version
Open-Xi-Math-Preview.F32.gguf	7.11 GB	FP32	GGUF	Float32 precision version
Open-Xi-Math-Preview.Q2_K.gguf	753 MB	Q2_K	GGUF	2-bit quantized (K variant)
Open-Xi-Math-Preview.Q3_K_M.gguf	924 MB	Q3_K_M	GGUF	3-bit quantized (K M variant)
Open-Xi-Math-Preview.Q4_K_M.gguf	1.12 GB	Q4_K_M	GGUF	4-bit quantized (K M variant)
Open-Xi-Math-Preview.Q4_K_S.gguf	1.07 GB	Q4_K_S	GGUF	4-bit quantized (K S variant)
Open-Xi-Math-Preview.Q5_K_M.gguf	1.29 GB	Q5_K_M	GGUF	5-bit quantized (K M variant)
Open-Xi-Math-Preview.Q5_K_S.gguf	1.26 GB	Q5_K_S	GGUF	5-bit quantized (K S variant)
Open-Xi-Math-Preview.Q6_K.gguf	1.46 GB	Q6_K	GGUF	6-bit quantized (K variant)
Open-Xi-Math-Preview.Q8_0.gguf	1.89 GB	Q8_0	GGUF	8-bit quantized
.gitattributes	2.39 kB	—	—	Git LFS tracking file
config.json	31 B	—	—	Configuration file
README.md	4.29 kB	—	—	Model documentation

Quants Usage

(sorted by size, not necessarily quality. IQ-quants are often preferable over similar sized non-IQ quants)

Link	Type	Size/GB	Notes
GGUF	Q2_K	0.4
GGUF	Q3_K_S	0.5
GGUF	Q3_K_M	0.5	lower quality
GGUF	Q3_K_L	0.5
GGUF	IQ4_XS	0.6
GGUF	Q4_K_S	0.6	fast, recommended
GGUF	Q4_K_M	0.6	fast, recommended
GGUF	Q5_K_S	0.6
GGUF	Q5_K_M	0.7
GGUF	Q6_K	0.7	very good quality
GGUF	Q8_0	0.9	fast, best quality
GGUF	f16	1.6	16 bpw, overkill

Here is a handy graph by ikawrakow comparing some lower-quality quant types (lower is better):