Model reference · open weights
retromae-small-cs is an open-weight embedding model from Seznam. retromae-small-cs (BF16) weighs 97 MB; the smallest configuration that runs it is RTX 3060 12 GB.
For self-hosting, compare this build's requirements below with the GPU you plan to rent.
Summary of the Seznam/retromae-small-cs model card, 2026-10-01
What it is
| Released by | Seznam |
|---|---|
| Released | 2023-11-02 |
| VRAM | 97 MB for the weights |
What it runs on
| Card | Runs | Memory |
|---|---|---|
| RTX 3060 12 GB | fits | 11.6 GB |
| RTX 4060 Ti 16 GB | fits | 15.4 GB |
| RTX 3090 24 GB | fits | 23.4 GB |
| RTX 4090 24 GB | fits | 23.4 GB |
| RTX 5090 32 GB | fits | 31.0 GB |
| L40S 48 GB | fits | 44.0 GB |
| A100 80 GB | fits | 78.2 GB |
| H100 80 GB | fits | 78.1 GB |
| RTX PRO 6000 Blackwell 96 GB | fits | 93.8 GB |
| DGX Spark (GB10) 128 GB unified | fits | 107 GB |
| H200 141 GB | fits | 138 GB |
| B200 180 GB | fits | 176 GB |
From the model card
RetroMAE-Small is a BERT-small model pre-trained with the RetroMAE objective on a Czech web corpus.
This model was created at Seznam.cz as part of a project to create high-quality small Czech semantic embedding models. These models perform well across various natural language processing tasks, including similarity search, retrieval, clustering, and classification. For further details or evaluation results, please visit the associated paper or GitHub repository.
You can load and use the model like this:
import torch
from transformers import AutoModel, AutoTokenizer
model_name = "Seznam/retromae-small-cs" # Hugging Face link
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModel.from_pretrained(model_name)
input_texts = [
"Dnes je výborné počasí na procházku po parku.",
"Večer si oblíbím dobrý film a uvařím si čaj."
]
# Tokenize the input texts
batch_dict = tokenizer(input_texts, max_length=512, padding=True, truncation=True, return_tensors='pt')
outputs = model(**batch_dict)
embeddings = outputs.last_hidden_state[:, 0] # Extract CLS token embeddings
similarity = torch.nn.functional.cosine_similarity(embeddings[0], embeddings[1], dim=0)
Quoted from the model card on Hugging Face. The full card is behind the Hugging Face link above.