MiniCPM5-1B · TPN-optimised GGUF

Quantised and measured by TPN Workbench from openbmb/MiniCPM5-1B @ 87179e5. Every format is scored against the BF16 reference on next-token KL divergence, perplexity and top-1 agreement (llama.cpp b11528).

Full report: https://bench.trueperformancenetwork.com/r/AK3RgkmOPXqaNB4xGCJ_XQ

TPN recommendation: Q5_0+: Highest-fidelity format that fits 0.8 GB: 0.775 GB, closeness 0.017.

Files

file format size mean KLD KL similarity PPL Δ top-1
MiniCPM5-1B-Q5_0-tuned.gguf Q5_0+ 0.77 GB 0.0166 98.4 % +1.27 % 93.0 % TPN recommendation
MiniCPM5-1B-Q4_K_M.gguf Q4_K_M 0.69 GB 0.0865 91.7 % +6.56 % 84.9 %
MiniCPM5-1B-Q8_0.gguf Q8_0 1.15 GB 0.0018 99.8 % +0.20 % 97.6 %

Q5_0+ is a TPN fidelity-tuned format: starting from Q5_0, TPN picks each tensor's quantisation type by measurement, keeping the file small while staying closer to the original than the plain format.

Lower KLD = closer to the original. K-quants (Q4_K_M, Q8_0) have SIMD kernels in llama.cpp WebAssembly, so they are the faster pick in the browser; IQ* formats are smallest-for-quality on native CPU/GPU builds.

Measurements

MiniCPM5-1B-closeness-gguf-vs-bf16.png MiniCPM5-1B-perplexity-change.png MiniCPM5-1B-top1-agreement.png MiniCPM5-1B-benchmark-gsm8k.png MiniCPM5-1B-benchmark-ifeval.png

format size bpw mean KLD PPL Δ top-1
Q8_0 1.15 GB 8.5 0.0018 +0.20 % 97.6 %
Q5_0 0.90 GB 5.5 0.0343 +1.69 % 90.1 %
Q4_0M+ 0.84 GB 4.81 0.0456 +1.91 % 88.8 %
Q4_0 0.81 GB 4.5 0.1402 +10.48 % 80.7 %
Q5_0+ 0.77 GB 5.5 0.0166 +1.27 % 93.0 %
Q4_K_M 0.69 GB 4.77 0.0865 +6.56 % 84.9 %
IQ4_XS 0.64 GB 4.27 0.1006 +7.35 % 83.3 %
Q3_K_M 0.58 GB 3.85 0.2653 +23.47 % 74.1 %
Q2_K 0.49 GB 2.94 1.1923 +183.09 % 50.4 %

Task benchmarks

Score in %, change vs BF16 in points.

format gsm8k ifeval
BF16 40.9 37.9
Q5_0+ 38.1 (-2.7) 38.4 (+0.5)
Q4_K_M 30.0 (-10.8) 36.9 (-1.0)

Use

llama-server -hf tpnlabs/MiniCPM5-1B-TPN-GGUF --hf-file MiniCPM5-1B-Q5_0-tuned.gguf

Runs fully on-device in Gratis, in the browser or desktop app.

Licence: inherited from the base model (apache-2.0).

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