Oxford Languages
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Oxford Languages Data Products: APIs & Datasets
Spanish Language Datasets | 1.8M+ Sentences | Translation Data | TTS | Dictionary Display | Translations | EU & LATAM Coverage
British English Language Datasets | 150+ Years of Research | Natural Language Processing (NLP) Data | LLMs | TTS | Dictionary Display | EU Coverage
American English Language Datasets | 150+ Years of Research | Textual Data | NLP | LLMs | TTS | Dictionary Display | Game | US English Coverage
Portuguese Language Datasets | 300K Translations | Natural Language Processing (NLP) Data | Dictionary Display | Translation | EU & LATAM Coverage
French Language Datasets | 150+ Years of Research | AI | NLP | LLMs | Dictionary Display | Translation Data | EU, Africa, Canada Coverage
LATAM Data Suite | 1.8M+ Sentences | Natural Language Processing (NLP) Data | TTS | Dictionary Display | Translation Data | LATAM Coverage
Oxford Languages Pricing & Cost
Oxford Languages offers flexible pricing based on use case and delivery format. Our datasets are licensed via term-based IP agreements and tiered pricing for API-delivered data. Whether you’re integrating into a product, training an LLM, or building custom NLP solutions, we tailor licensing to your specific needs.
Contact our team or email us at Growth.OL@oup.com to explore pricing options and discover how our language data can support your goals.
Oxford Languages Reviews
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About Oxford Languages
Oxford Languages in a Nutshell
Oxford Languages delivers multilingual language datasets designed to power the next generation of language technologies. Built through decades of research and curated by expert lexicographers, our data fuels diverse applications – from text-to-speech (TTS) and predictive text to language models dictionary display tools, assistive tech, chatbots games, and more. With over 60 languages and a wide range of features, our structured datasets ensure linguistic accuracy, cultural nuance, and domain relevance – ideal for AI, NLP, and ML development.
Country Coverage
Data Offering
Oxford Languages provides expertly curated language datasets across 60+ languages. Ideal for fine-tuning and training LLMs, powering chatbots, TTS systems, dictionary displays, spellcheck tools, and more – our data supports a broad range of language technology applications.
Use Cases
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Dictionary Display & UX Enhancement
Our structured language data enhances digital experiences for search engines, e-readers, learning platforms, and assistive tools. With accurate, searchable word meanings and usage, our data powers intuitive lookup features that improve user engagement and accessibility. -
Natural Language Processing (NLP) & LLM Training
Oxford Languages provides linguistically rich datasets, curated by native linguistics and backed by our corpus evidence. Our multilingual language data supports fine-tuning and training for NLP models, LLMs, and domain-specific applications – particularly in languages with complex scripts, orthographies, or dialects. -
Text-to-Speech (TTS) & AI Voice Technology
Our phonetic, transcription, and lexical stress data help improve pronunciation modelling and prosody in TTS systems. With consistent and human-reviewed data, clients can create natural-sounding intelligible voice outputs in multiple languages. -
Gaming & Interactive Applications
Enable smarter, linguistically accurate experiences in word-based games and language learning apps. Our lexical databases provide foundational data for word recognition, difficulty scaling, and accurate content generation. -
Predictive Text & Spellcheck
Improve typing accuracy and input prediction with structured, frequency-weighted lexical data. Our datasets enhance auto-correct, suggestion engines, and multilingual spellcheck tools.
Data Sources & Collection
Our datasets are developed in-house by expert linguists, lexicographers, and technologists as part of one of the world’s most comprehensive language research programs. We also enhance our data through exclusive partnerships, ensuring rich, diverse, and high-quality language data.
Key Differentiators
Research-Driven Data
Our datasets are produced in-house, leveraging one of the world’s largest and most established language research programs. This enables high levels of data originality, consistency, and linguistic integrity.
Expert-Led Curation
Each dataset is curated by professional lexicographers, linguists and language technologists - not solely engineers. This ensures deep linguistic accuracy, cultural sensitivity, and domain-specific nuance, making it ideal for NLP, LLMs, and specialized AI tasks.
Versatile & Scalable Datasets
We offer structured datasets for a wide range of use cases, including TTS, AI voice, translation, predictive text, dictionary display, conversational AI, spelling correction, and language learning.
Comprehensive Coverage
With support for over 60 languages – many with dialectal and orthographic variants – we help clients across multilingual and multicultural challenges in technology.
Trusted Legacy
As part of Oxford University Press, we bring 150+ years of language expertise to every dataset, ensuring our clients benefit from unrivalled authority and accuracy in lexical content.
Data Privacy
Oxford University Press (“OUP”) is committed to protecting your personal information and respecting applicable data protection laws around the world, including, where applicable, the UK Data Protection Act 2018, the UK General Data Protection Regulation, the EU General Data Protection Regulation, the California Consumer Privacy Act, the Children’s Online Privacy Protection Act, and the Family Education Rights and Privacy Act. This privacy policy explains how we do this and how it applies to your use of OUP websites, products, and services.
Frequently asked questions about Oxford Languages
What does Oxford Languages do?
We provide high-quality, human-curated language datasets in 60+ languages. Created by expert linguists and lexicographers, our data powers NLP, ML, TTS, and AI applications with unparalleled accuracy and linguistic depth.
How much does Oxford Languages cost?
The supported pricing models for Oxford Languages’ data are One-off purchase, Yearly License, and Usage-based. Get talking to a member of the Oxford Languages team to receive custom pricing options, information about data subscription fees, and quotes for Oxford Languages’ data offering tailored to your use case.
What kind of data does Oxford Languages have?
Natural Language Processing (NLP) Data, Machine Learning (ML) Data, Translation Data, Transcription Data, and 3 others
What data does Oxford Languages offer?
Oxford Languages provides expertly curated language datasets across 60+ languages. Ideal for fine-tuning and training LLMs, powering chatbots, TTS systems, dictionary displays, spellcheck tools, and more – our data supports a broad range of language technology applications.
How does Oxford Languages collect data?
Our datasets are developed in-house by expert linguists, lexicographers, and technologists as part of one of the world’s most comprehensive language research programs. We also enhance our data through exclusive partnerships, ensuring rich, diverse, and high-quality language data.
What’s Oxford Languages’ data privacy policy?
Oxford University Press (“OUP”) is committed to protecting your personal information and respecting applicable data protection laws around the world, including, where applicable, the UK Data Protection Act 2018, the UK General Data Protection Regulation, the EU General Data Protection Regulation, the California Consumer Privacy Act, the Children’s Online Privacy Protection Act, and the Family Education Rights and Privacy Act. This privacy policy explains how we do this and how it applies to your use of OUP websites, products, and services.
What are the best use cases for Oxford Languages’ data?
Dictionary Display & UX Enhancement Our structured language data enhances digital experiences for search engines, e-readers, learning platforms, and assistive tools. With accurate, searchable word meanings and usage, our data powers intuitive lookup features that improve user engagement and accessibility. Natural Language Processing (NLP) & LLM Training Oxford Languages provides linguistically rich datasets, curated by native linguistics and backed by our corpus evidence. Our multilingual language data supports fine-tuning and training for NLP models, LLMs, and domain-specific applications – particularly in languages with complex scripts, orthographies, or dialects. Text-to-Speech (TTS) & AI Voice Technology Our phonetic, transcription, and lexical stress data help improve pronunciation modelling and prosody in TTS systems. With consistent and human-reviewed data, clients can create natural-sounding intelligible voice outputs in multiple languages. Gaming & Interactive Applications Enable smarter, linguistically accurate experiences in word-based games and language learning apps. Our lexical databases provide foundational data for word recognition, difficulty scaling, and accurate content generation. Predictive Text & Spellcheck Improve typing accuracy and input prediction with structured, frequency-weighted lexical data. Our datasets enhance auto-correct, suggestion engines, and multilingual spellcheck tools.