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Opus Mt Es En
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Opus Mt Es En

huggingface.co·Infrastructure·🇫🇮

Opus Mt Es En is a machine translation model that converts text from Spanish to English. Developed by the Helsinki-NLP research group, it forms part of the OPUS-MT collection of translation models and runs on the Hugging Face platform.

The model is implemented as a Transformer and uses the Marian framework. It is provided in PyTorch and TensorFlow versions and is tagged for text-to-text generation tasks. Users can load it through the Transformers library by importing a pipeline for translation or by directly instantiating an AutoTokenizer and AutoModelForSeq2SeqLM.

It carries an Apache 2.0 license. The model card on Hugging Face includes instructions for deployment with libraries, inference providers, notebooks, and local applications. The repository records 80 likes and is followed by 1.06k users.

Access occurs through the Hugging Face ecosystem, where the model can be copied to a bucket or used via inference endpoints. The page provides code examples for both high-level pipeline usage and direct model loading, noting that the translation pipeline type is no longer supported in Transformers version 5.

Open Source
WebAPI
O
Opus Mt Es En preview
Visit huggingface.co↗
⭐854
stars
🍴89
forks
📋2
alternatives
📅2020
since

Overview

Opus Mt Es En is a Foundation models & chat product. It focuses on translating text between Spanish and English with high accuracy using neural machine translation. It is built as an open-source project for developers and researchers needing Spanish-English translation. Opus Mt Es En is open source under the Open Source license. The product ships for the web and API.

Helsinki-NLP builds and maintains Opus Mt Es En, and the product first shipped in 2020. Development happens publicly on GitHub with 854 stars.

Tags

machine-translationspanish-to-englishopus-mtmarian

AI capabilities

TextInference: LocalWeights: Open

Built with & integrations

Hosting
aws
Runs on
BrowserAPI-only

Trust & compliance

LicenseOpen Source
Verified signals
✓ HTTPS✓ Privacy Policy✓ Terms of Service✓ Open Source✓ Free tier✓ GitHub · ★ 854
Legal
Privacy Policy →Terms of Service →

Recent events

Latest indexed changes and source events

  1. IndexedJul 21, 5:15 PM

    Helsinki-NLP/opus-mt-es-en verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Opus Mt Es En

What does Opus Mt Es En do?
Opus Mt Es En focuses on translating text between Spanish and English with high accuracy using neural machine translation. It is catalogued under Foundation models & chat on PulseGate.
Who is Opus Mt Es En for?
Opus Mt Es En is an open-source project built for developers and researchers needing Spanish-English translation.
Is Opus Mt Es En free?
Yes — Opus Mt Es En is open source under the Open Source license and free to use.
What platforms does Opus Mt Es En run on?
Opus Mt Es En runs on the web and API.
Is Opus Mt Es En still maintained?
PulseGate's liveness checks currently classify Opus Mt Es En as active.
Who makes Opus Mt Es En?
Opus Mt Es En is developed by Helsinki-NLP, based in Finland.
When did Opus Mt Es En launch?
Opus Mt Es En first shipped in 2020.
Is Opus Mt Es En open source?
Yes — Opus Mt Es En is open source under the Open Source license, developed on GitHub.

At a glance

Pricing
Open Source
Platforms
Web
Languages
English
Open source
Yes · ★ 854
License
Open Source
First seen
Jul 21, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
Developers and researchers needing Spanish-English translation
Model
Open source
Solves
Translating text between Spanish and English with high accuracy using neural machine translation.

Developer

🇫🇮Helsinki-NLP
Small team
↗ GitHub

Open source

View on GitHub →
⭐ Stars
854
🍴 Forks
89
Open issues
12
Last commit
2y ago
Commits 90d
0
Contributors
3
Authorship
Small team
Default branch
master

Live coverage

Confidence
Medium · 70
Indexed
Jul 21, 2026
Lifecycle
Alive
Activity
Active
First seen
Jul 2026
Last seen
today
Identity audit (10)
Entity ID
cmrux0nbv0fqgqoarwyqmc12h
Slug
helsinki-nlp-opus-mt-es-en-huggingface-co
Lifecycle last checked
Jul 21, 2026
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 21, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 21, 2026
Canonical URL
https://huggingface.co/Helsinki-NLP/opus-mt-es-en

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