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SipsaLabs/
qwen3-1.7b-uc-v3-bpw5

Name: qwen3-1.7b-uc-v3-bpw5
Availability: InStock

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qwen3-1.7b-uc-v3-bpw5

Near-lossless 5-bit compression (~1% perplexity; lossy) of Qwen/Qwen3-1.7B — produced by Sipsa Labs (UltraCompress).

Reproducible, cryptographically verifiable reconstruction: a deterministic decode to the SHA-256-pinned validated artifact (not bit-identical to the original bf16 model).
Independently perplexity-verified end-to-end.
License: BUSL-1.1 + Additional Use Grant.

pip install ultracompress

Patents pending.