Research and open source

Open, verifiable science

We publish our methods, our datasets, and our models so the scientific community and developers can check them, challenge them, and build on them.

01

Scientific publications

Open source projects
2026 · Umbaji Research Team

YodiV3: NLP for Togolese Languages with Eyaa-Tom Dataset and the Lom Metric

Introduces Eyaa-Tom, a multi-domain parallel corpus for ten Togolese languages and two lingua francas, and proposes the Lom metric to quantify each language's AI-readiness.

Research and open source
2023 · Umbaji Research Team

Yodi: The Speech Recognition System for Ewè

Describes the architecture of the first speech recognition system for Ewe, built on a word-to-waveform mapping and convolutional neural network classifiers.

Research and open source
2025 · Umbaji community of linguists, researchers, and annotators

Eyaa-Tom: "The people's words" in Kabiyè

A corpus collected through fieldwork by a community of native linguists and annotators, built to cover real domains: health, administration, everyday conversation.

Research and open source

02

Open source projects

The code and corpora that make our models possible are published on GitHub, most of them under the MIT license.

NMTMD

Open Ewe-language corpus for neural machine translation in West Africa.

MIT · 26 stars · 10 forks

umini_speech

Official training repository for Yodi V1, the first speech recognition system for Ewe.

Research · speech recognition

Yodi

Speech recognition model for 8 words in Ewe, a Python package for fast inference.

MIT · Python

Togo-Data-Lab-Masterclass

Teaching notebooks: Transformer architecture and its mathematical foundations.

Jupyter · community

03

Models and datasets

Umbaji publishes its speech synthesis models and corpora directly on Hugging Face, for researchers and developers to reuse.

View the Umbaji organization

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