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embeddinggemma-pt-br-48k
tardellirs/embeddinggemma-pt-br-48k
embeddinggemma-pt-br-48k is a sentence similarity model from tardellirs. Use it when you need a score for how close two texts are. It is set up for sentence-transformers. The card lists the license as gemma.
A Portuguese-only text-embedding model, vocabulary-trimmed from google/embeddinggemma-300m to a 48k token vocabulary (~144M params, MTEB(por) mean16 0.7098 = 97.8% of the full model at 47% of its size). No training —…
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At a glance
- Task
- Sentence Similarity
- Library
- sentence-transformers
- License
- gemma
- Model type
- gemma3_text
- Access
- Public
- Created
- Jun 6, 2026
- Updated
- Jul 7, 2026
- SHA
- fdd4ec7d
Base models
Model card
From the Hugging Face model README
embeddinggemma-pt-br-48k
A Portuguese-only text-embedding model, vocabulary-trimmed from
google/embeddinggemma-300m to a 48k token
vocabulary (~144M params, MTEB(por) mean_16 0.7098 = 97.8% of the full model at
47% of its size). No training — only the token embedding matrix was sliced; the transformer
encoder and pooling/Dense heads are identical to the base model. Produced with
🛠️ embedding-vocab-trimmer.
Part of the embeddinggemma-pt-br family — 64k is the recommended sweet spot:
| model | params | mean_16 | % of full |
|---|---|---|---|
| google/embeddinggemma-300m | ~308M | 0.7257 | 100% |
| embeddinggemma-pt-br-128k | ~207M | 0.7192 | 99.1% |
| embeddinggemma-pt-br | ~157M | 0.7172 | 98.8% |
| embeddinggemma-pt-br-48k ⭐ | ~144M | 0.7098 | 97.8% |
| embeddinggemma-pt-br-32k | ~131M | 0.6881 | 94.8% |
| embeddinggemma-pt-br-24k | ~125M | 0.6895 | 95.0% |
| embeddinggemma-pt-br-16k | ~119M | 0.6520 | 89.8% |
Usage
from sentence_transformers import SentenceTransformer
model = SentenceTransformer("tardellirs/embeddinggemma-pt-br-48k")
emb = model.encode(["O Brasil é um país tropical da América do Sul."], normalize_embeddings=True)
Uses EmbeddingGemma's task prompts (prepend task: search result | query: / title: none | text: for retrieval).
Scope
A compression of Google's EmbeddingGemma to Portuguese (deployment/efficiency artifact; data provenance is the base model's). Vocabulary trimming compresses, it does not enhance. Derived under the Gemma license.
Benchmark: MTEB(por) · leaderboard.
- Task
- Sentence Similarity
- Library
- sentence-transformers
- Type
- gemma3_text
- License
- gemma
- Languages
- pt
- Created
- Jun 6, 2026
- Updated
- Jul 7, 2026