README.md

awesome-ukrainian-nlp

Curated list of Ukrainian natural language processing (NLP) resources (corpora, pretrained models, libriaries, etc.)

News

• 2025-11 -- UNLP 2026 — The Fifth UNLP Conference first call for papers
• 2024/12 -- UNLP 2025 Shared Task on Detecting Social Media Manipulation has been announced.
• 2024/01 -- UNLP 2024 Shared Task on Fine-Tuning LLMs for Ukrainian has been announced.

1. Datasets / Corpora

Monolingual

• Kobza — around 1.3TB of uncompressed text, 60 billion tokens across 97 million documents, deduplicated compilation of CulturaX, Fineweb 2, HPLT 2.0, Ukrainian News and UberText 2.0.
• Malyuk — 113GB of text, compilation of UberText 2.0, OSCAR, Ukrainian News.
• Brown-UK — carefully curated corpus of modern Ukrainian language with dismabiguated tokens, 1 million words
• UberText 2.0 — over 5 GB of news, Wikipedia, social, fiction, and legal texts
• Wikipedia
• OSCAR — shuffled sentences extracted from Common Crawl and classified with a language detection model. Ukrainian portion of it is 28GB deduplicated.
• CC-100 — documents extracted from Common Crawl, automatically classified and filtered. Ukrainian part is 200M sentences or 10GB of deduplicated text.
• mC4 — filtered CommonCrawl again, 196GB of Ukrainian text.
• Ukrainian Twitter corpus - Ukrainian Twitter corpus for toxic text detection.
• Ukrainian forums — 250k sentences scraped from forums.
• Ukrainain news headlines — 3.98M news headlines.
• STQ-UA — 100k Ukrainian search queries.

Parallel

• OPUS
• Tatoeba MT Challenge data sets
• Polish-Ukrainian Parallel Corpus
• Back-translated monolingual Wiki data
• Wiki Edits — 5M sentence edits extracted from the Ukrainian Wikipedia revision history.

See Helsinki-NLP/UkrainianLT for more data and machine translation resources links.

Labeled

• ZNO — ~4000 text-only questions and answers from Ukrainian External independent testing (ЗНО/ZNO).
• MMZNO — ~4000 multi-modal (text and images) ZNO questions
• UA-GEC — grammatical error correction (GEC) and fluency corpus.
• OmniGEC — synthetic GEC datasets, along with models.
• NER-uk — Brown-UK labeled for named entities.
• Yakaboo Book Reviews — book reviews, ratings and descriptions.
• Universal Dependencies — dependency trees corpus.
• ua-news — 150k news article in 5 categories.
• UA-SQuAD — Ukrainian version of Stanford Question Answering Dataset.
• Ukrainian Winograd schema challenge (WSC) Dataset — manually translated.
• Ukrainian OntoNotes Dataset — scripts to build large silver dataset for coreference resolution.

Dictionaries

• ВЕСУМ — POS tag dictionary. Can generate a list of all word forms valid for spelling.
• Tonal dictionary
• Multilingualsentiment, includes Ukrainian - a list of positive/negative words
• obscene-ukr — profanity dictionary
• Word stress dictionary — word stress for 2.7M word forms. See ukrainian-word-stress
• Heteronyms — words that share the same spelling but have different meaning/pronunciation.
• Abbreviations — map abbreviation to expansion

Prompts

• Aya — crowd-sourced prompts and reference outputs. Ukrainian part is ~500 prompts.

2. Tools

• tree_stem — stemmer
• pymorphy2 + pymorphy2-dicts-uk — POS tagger and lemmatizer
• LanguageTool — grammar, style and spell checker
• Stanza — Python package for tokenization, multi-word-tokenization, lemmatization, POS, dependency parsing, NER
• nlp-uk — Tools for cleaning and normalizing texts, tokenization, lemmatization, POS, disambiguation
• NLP-Cube - Python package for tokenization, sentence splitting, multi-word-tokenization, lemmatization, part-of-speech tagging and dependency parsing.

3. Pretrained models

Language models

Autoregressive:

• Lapa — Gemma-3-12B-based Ukrainian LLM, along with training datasets

• MamayLM v0.1 - Ukrainian-focused Gemma 2 based 9B model, pre-trained and fine-tuned on large Ukrainian/English corpora (blog in Ukrainian and English)

• MamayLM v1.0 - Ukrainian-focused Gemma 3 based 4B and 12B multimodal models, pre-trained and fine-tuned on large Ukrainian/English corpora (blog)

• aya-101 — massively multilingual LM, 13B parameters

• pythia-uk — mT5 finetuned on wiki and oasst1 for chats in Ukrainian.

• UAlpaca — Llama fine-tuned for instruction following on the machine-translated Alpaca dataset.

• XGLM — multilingual autoregressive LM, the 4.5B checkpoint includes Ukrainian.

• Tereveni-AI/GPT-2

• uk4b and haloop inference toolkit - GPT-2 small, medium and large-style models trained on UberText 2.0 wikipedia, news and books.

Masked:

• xlm-roberta-base-uk — truncated version of XLM-RoBERTa with only Ukrainian and English embeddings left.
• youscan/ukr-roberta-base
• Goader/modern-liberta-large — ModernBERT Large with Ukrainian tokenizer and 8192 context window, continually pretrained on 160B tokens.

Mixed:

• Electra

Machine translation

• Helsinki-NLP / OPUS-MT models — Ukrainian to/from 25 langaguages.
  • OPUS-MT models at HuggingFace
  • OPUS-MT models evaluated on flores101
• M2M-100 — Ukrainian to/from 100 languages.
• Uk-En folktale corpus — small sentence-aligned corpus of fairy tales.

See Helsinki-NLP/ UkrainianLT for more.

Sequence-to-sequence models

• mBART50
• mT5

Named-entity recognition (NER)

• MITIE NER Model
• ukr-models/uk-ner
• lang-uk/flair-uk-ner
• dchaplinsky/uk_ner_web_trf_large

Part-of-speech tagging (POS)

• lang-uk/flair-uk-pos

Word embeddings

• fastText
  • Official fastText trained on CommonCrawl and Wiki — 157 languages, including Ukrainian.
  • Older official fastText trained on Wiki — 294 languages, including Ukrainian.
  • fastText_multilingual — 78 languages, aligned to the same vector space.
  • fasttext_uk (2023) and cbow — trained on UberText 2.0
• Word2Vec
• GloVe
• LexVec
• BPEmb: Subword Embeddings, includes Ukrainian - easy to use with Flair
• Flair — Ukrainian added in 2022.

Other

• uk-punctcase — punctuation and case restoration model based on XLM-RoBERTa-Uk.
• punctuation_uk_bert — another punctuation and case restoration model based on bert-base-multilingual-cased.
• ukrainian-word-stress — adds word stress.

4. Paid

• LORELEI Ukrainian Representative Language Pack - Ukrainian monolingual text, Ukrainian-English parallel text, partially annotated for named entities

5. Other resources and links

• Helsinki-NLP/ UkrainianLT — another collection of links to Ukrainian language tools.
• egorsmkv / speech-recognition-uk — speech recognition and text-to-speech models and datasets

6. Workshops and conferences

• Ukrainian Natural Language Processing Workshop
• UNLP 2023 Shared Task — shared task (competition) in grammatical error correction for Ukrainian
  • Training data and evaluation scripts
  • Public leaderboard
• UNLP 2024 Shared Task — shared task (competition) on fine-tuning large language models (LLMs) for Ukrainian
• UNLP 2025 Shared Task on Detecting Social Media Manipulation