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| <h1>Sipsa Labs, Inc.</h1> |
| <blockquote>Sipsa Labs builds SIP, the operating system for the physical world.</blockquote> |
|
|
| <p>UltraCompress is retired. Its public materials preserve historical research; new API access and paid pilots are no longer offered.</p> |
| <p>The research snapshot below is historical. Results apply to the versions and evaluation conditions recorded at the time.</p> |
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| <span class="badge">Historical snapshot: v0.6.22</span> |
| <span class="badge">22 architectures shipped; 20 PPL-verified (19 transformer + 1 SSM, with comparator-note caveat)</span> |
| <span class="badge">BUSL-1.1 + Additional Use Grant</span> |
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| <h2>Historical 5-bit compression research</h2> |
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| <p>22 architectures shipped, 20 PPL-verified end-to-end (19 transformer + 1 SSM with comparator-note caveat). Dense + Mixture-of-Experts + state-space, 0.6B to 405B parameters. These 5-bit artifacts use lossy weight quantization. Reconstructing a validated quantized artifact is distinct from recovering the original bf16 weights without loss. The public CLI checks structure and computes fingerprints; it does not reconstruct weights or automatically compare with a trusted reference.</p> |
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| <h2>Tightest verified PPL ratios at 5 bpw</h2> |
| <p><i>(perplexity ratio = compressed PPL / bf16 baseline PPL; FineWeb-edu held-out tail; seq_len = 1024; n = 30-50; seed = 42)</i></p> |
|
|
| <table> |
| <tr><th>Model</th><th>Params</th><th>Type</th><th>PPL ratio</th><th>Notes</th></tr> |
| <tr><td>Phi-3-mini-4k-instruct</td><td>3.8B</td><td>dense</td><td><b>1.00262×</b></td><td>seq_len=128 caveat</td></tr> |
| <tr class="headline"><td><b>Mixtral-8x7B</b></td><td>47B</td><td>MoE</td><td><b>1.00368×</b></td><td>tightest MoE result</td></tr> |
| <tr><td>Qwen3-1.7B-Base</td><td>1.7B</td><td>dense</td><td><b>1.00401×</b></td><td>small-decoder record</td></tr> |
| <tr><td>Qwen3-14B</td><td>14B</td><td>dense</td><td><b>1.00403×</b></td><td>14B-class record</td></tr> |
| <tr><td>Yi-1.5-9B</td><td>8.8B</td><td>dense</td><td><b>1.00414×</b></td><td>>8B record</td></tr> |
| <tr><td>Qwen3-8B</td><td>8B</td><td>dense</td><td><b>1.00440×</b></td><td>8B-class record</td></tr> |
| <tr><td>Mistral-7B-v0.3</td><td>7B</td><td>dense</td><td><b>1.00548×</b></td><td>a strong dense 7B-class result</td></tr> |
| <tr class="headline"><td><b>Hermes-3-Llama-3.1-405B</b></td><td>405B</td><td>dense</td><td><b>1.0066×</b></td><td>historical 405B-class 5-bit result</td></tr> |
| <tr><td>Qwen3-0.6B</td><td>0.6B</td><td>dense</td><td><b>1.0069×</b></td><td></td></tr> |
| <tr><td>OLMo-2-0425-1B</td><td>1B</td><td>dense</td><td><b>1.0073×</b></td><td></td></tr> |
| <tr><td>SmolLM2-1.7B-Instruct</td><td>1.7B</td><td>dense</td><td><b>1.0075×</b></td><td></td></tr> |
| <tr><td>Mamba-2.8B</td><td>2.8B</td><td>SSM</td><td><b>1.0059×</b></td><td>state-space model (uses SSM-compatible comparator; canonical transformer streaming reconstruction is architecture-incompatible with SSMs)</td></tr> |
| <tr><td>Llama-3.1-8B</td><td>8B</td><td>dense</td><td><b>1.0125×</b></td><td>standard eval</td></tr> |
| </table> |
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| <p>Historical source: <a href="https://github.com/sipsalabs/ultracompress">github.com/sipsalabs/ultracompress</a> · recorded evaluations: <a href="https://github.com/sipsalabs/ultracompress/blob/main/docs/benchmarks.json">historical registry</a></p> |
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| <h2>Inspect pack structure and compute fingerprints</h2> |
| <pre>pip install "ultracompress==0.6.27" |
| hf download SipsaLabs/qwen3-8b-uc-v3-bpw5 --local-dir ./qwen3-8b |
| uc verify ./qwen3-8b</pre> |
| <p>Expected result category: basic pack-structure checks and, unless hashing is skipped, a computed fingerprint. This is not reconstruction verification or an automatic comparison with a trusted reference. Without an API key, <code>uc try</code> prints a recorded reference response, not a live inference result.</p> |
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| <h2>Historical API and services</h2> |
| <p>New API access and paid pilots are no longer offered. Historical materials remain in the <a href="https://github.com/sipsalabs/ultracompress">public repository</a> and <a href="https://huggingface.co/SipsaLabs">model collection</a>.</p> |
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| <hr> |
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| <h2>License + IP</h2> |
| <ul> |
| <li>PyPI <code>ultracompress</code> v0.6+ under <b>BUSL-1.1</b> with Additional Use Grant — free for sub-$1M ARR companies + research + individuals. Auto-converts to Apache 2.0 four years after each release.</li> |
| <li>v0.5.x stays Apache-2.0 forever on <code>legacy/0.5.x</code>.</li> |
| <li>Codec internals patent-protected. Continuations through 2027.</li> |
| </ul> |
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| <hr> |
|
|
| <h2>Contact</h2> |
| <ul> |
| <li>Project inquiries → <a href="mailto:founder@sipsalabs.com">founder@sipsalabs.com</a></li> |
| <li>Patents / licensing → <a href="mailto:legal@sipsalabs.com">legal@sipsalabs.com</a></li> |
| <li>Press / media → <a href="mailto:press@sipsalabs.com">press@sipsalabs.com</a></li> |
| <li>Security disclosure → <a href="mailto:security@sipsalabs.com">security@sipsalabs.com</a></li> |
| <li>General → <a href="mailto:hello@sipsalabs.com">hello@sipsalabs.com</a></li> |
| </ul> |
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| <p><a href="https://sipsalabs.com">sipsalabs.com</a> · <a href="https://github.com/sipsalabs">github.com/sipsalabs</a> · <a href="https://x.com/SipsaLabs">@SipsaLabs on X</a></p> |
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| <p style="color: var(--muted); font-size: .85rem; margin-top: 2rem;">Public CLI documentation: <a href="https://github.com/sipsalabs/ultracompress">github.com/sipsalabs/ultracompress</a> · Selective Disclosure Charter — what we publish vs what we keep internal: see <a href="https://github.com/sipsalabs/ultracompress">github.com/sipsalabs/ultracompress</a></p> |
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