Expand
your language horizons

We curate and enrich multilingual corpora and train domain-adaptive models
so that every culture can share its voice without language barriers.

7.5+ PB texts

datasets in 200+ languages

250+ models

machine translation
and language models

15+ tools

open-source software

20 years

in the market

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logo generalitat valenciana
logo la caixa
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logo tauyou
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universitat autonoma de barcelona logo
universitat politécnica valencia logo
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adobe logo
autodesk logo
logo generalitat valenciana
logo la caixa
logo repsol
logo reverso
logo tauyou
translation commons logo
translors without borders logo
universitat alacant logo
universitat autonoma de barcelona logo
universitat politécnica valencia logo
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End-to-end pipelines that turn dirty text
into production-ready data

Smart Datasets

High-quality datasets tailored for your needs.

  • Data collection, cleaning & normalisation
  • Parallel segments & docs alignment
  • Insightful analysis & evaluation
  • Enrichment & synthetic data generation
  • Alignment with EU regulation (GDPR/EU AI Act)

Smart Models

Advanced models for efficient training.

  • Fine-tune with domain data
  • Audit MT/LM quality
  • Deploy on-prem or in the cloud
  • Work with secured development environments
  • Monitor performance

Supercharge your workflow with improved data

With cutting-edge NLP techniques, multilingual advanced solutions, and comprehensive language technology tools.

Let's talk
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Why Prompsit?

Four features that set us apart

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Unique Languages

Differentiating expertise in low-resource languages including Catalan, Norwegian Nynorsk or Afrikaans and many others.

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Specialised Domains

Deep domain knowledge in legal, medical, tech & engineering, and financial sectors with industry-specific terminology and compliance.

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On-Premises Deployment

Secure, on-premises solutions that keep your sensitive data within your infrastructure while maintaining full control.

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EU AI Act & GDPR Ready

Alignment with European AI regulations, implementing best practices for data privacy preservation and responsible AI development.

Research mindset

Following its origins as a spin-off from the Transducens research group at Universitat d'Alacant, and for a couple of decades, Prompsit Language Engineering has been contributing to research that addresses the challenges of multilingual technology.

+1800
Cites
+30
Publications
+10
R&D Projects
About Us

An expanded massive multilingual dataset for high-performance language technologies

L. Burchell et al.

Association for Computational Linguistics (ACL)

2025

Do language models care about text quality? evaluating web-crawled corpora across 11 languages

R van Noord

LREC-COLING

2024

Bifixer and bicleaner: two open-source tools to clean your parallel data

M. Bañon et al.

European Association for Machine Translation

2020

R&D projects Prompsit is involved in

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logo hplt
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Open-source is the right way

Explore our contributions to the open-source community where we've shared our solutions, tools, and research in the field of language technology.

Keops

Keops

Online tool for human evaluation of training datasets and model outputs.

View repo

AltLang

AltLang

Automatic language variety converter to adapt your content to local markets.

Docs

MutNMT

MutNMT

Educational machine translation platform to learn neural machine translation by making.

Try demo

What the press says about us

"Prompsit aporta al proyecto su amplia experiencia en la creación, limpieza y análisis de corpus multilingües abiertos a través de proyectos como ParaCrawl, MaCoCu o HPLT, su constante apuesta y contribución a proyectos de código ...


Cadena SER – Comunidad Valenciana

Machine Translation
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"Si queremos una auténtica soberanía digital, debemos asegurarnos de que cualquier entidad europea, sea pública o privada, pueda adaptar el modelo a sus necesidades y cumpla con nuestra normativa de protección de datos."


El Español – Disruptores

Open-Source
Full article

"Prompsit is a company specialized in Natural Language Processing (NLP) and Artificial Intelligence applied to languages, with more than 15 years of experience in the combination of languages and technology."


Diario información

Business Spotlight
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Let's build your next AI product together

Reach out and our innovation team will get in touch within 24 hours.

Contact us
Prompsit - AI Language Technology | Machine Translation & | Prompsit