app.py

import gradio as gr
from sentence_transformers import SentenceTransformer, util

i18n_model = SentenceTransformer('distiluse-base-multilingual-cased-v2')

def inference(s1:str, s2:str):
    score = util.cos_sim(i18n_model.encode(s1), i18n_model.encode(s2)).item()
    return f'{score:.3f}'

gr.Interface(
    inference,
    [ gr.Textbox(label="Sentence 1"), gr.Textbox(label="Sentence 2")  ],
    [ gr.components.Label(label="Similarity score") ],
    title="Similarity score between 2 sentences",
    description="In this demo do provide 2 sentences bellow. They can even be in distinct languages. Powered by S-BERT multilingual model : https://www.sbert.net.",
    examples=[['The sentences are mapped such that sentences with similar meanings are close in vector space.', 'Les phrases sont mappées de manière à ce que les phrases ayant des significations similaires soient proches dans l\'espace vectoriel.'],
              ['You do not need to specify the input language.', 'You can use any language.']],
    live=True,
    allow_flagging="never"
).launch(debug=True, enable_queue=True)