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777Radik/
potion-multilingual-128M-int8

Name: potion-multilingual-128M-int8
Availability: InStock

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potion-multilingual-128M-int8 — tiny multilingual embeddings that run in the browser

A compact, in-browser-ready quantization of minishlab/potion-multilingual-128M: int8 + PCA (256 → 128), ~64 MB. Static Model2Vec embeddings — no GPU, no neural-net inference, just a token → vector lookup + mean-pool. 101 languages, full vocabulary incl. Cyrillic. Token-free public download (CORS-enabled), so a web page can fetch() it directly.

Try what it powers: the heavy (semantic) engine of AI-Chat Compressor — a Chrome extension that compresses AI-chat context locally by keeping only the sentences relevant to your question. → Chrome Web Store

Try it on a real conversation. This shared ChatGPT thread is a long discussion about the characters of The Great Gatsby. Open it with the extension and raise the compression strength to watch what survives: the heavy engine selects by meaning with this model, the light one by wording with BM25.

AI-Chat Compressor — query-driven, sentence-level compression powered by this model

What & why

Static embeddings (Model2Vec): tokenize → token-vector lookup → mean-pool → L2-normalize. No inference, no GPU — a lookup table. Fast and tiny.
Compression: FP32 → Int8; embedding dim 256 → 128 (PCA). ~4× smaller than fp32, near-lossless on semantic tasks.
Multilingual: full vocabulary kept (101 languages, incl. Cyrillic) — no script stripping.
Runs anywhere: model2vec (Python), model2vec-rs (Rust), and the browser via WASM (StaticModel::from_bytes).

Use

python

from model2vec import StaticModel
m = StaticModel.from_pretrained("777Radik/potion-multilingual-128M-int8")

# Cross-lingual by design: these two sentences mean the same thing and land
# close together, although they share no words and use different scripts.
emb = m.encode(["как развернуть сервис в кластере", "deploy a service to a cluster"])

Rank by cosine similarity for semantic search / retrieval / reranking. Near-lossless vs the fp32 source on semantic tasks (int8 quantization).

How it compares

A head-to-head against BM25 for query-focused sentence selection under a fixed byte budget, on three public QA datasets with human-annotated evidence — code and exact commands at github.com/rnrn/ai-context:

dataset	budget	BM25	this model
HotpotQA — supporting-fact recall	25%	72.1%	57.4%
MuSiQue — answer kept	25%	48.0%	50.0%
QASPER — answer span kept	25%	74.4%	81.8%
QASPER — answer span kept	5%	44.6%	43.8%

Neither ranker wins everywhere: lexical matching is ahead where the question repeats the wording of the passage (HotpotQA), the embeddings are ahead where it does not (QASPER). Both are far above truncating the context to the same size.

Provenance

Produced with scripts/quantize-potion.py --dim 128 (model2vec int8 quantization). Base model & method by MinishLab. License: MIT.