The data-centric platform to power
natural language ETL pipelines

Used by data scientists at AI-driven organizations, both small and large

DocuSign
Crowd
Samsung
Cohere
refinery
The Kern AI ecosystem consists of four products

refinery

refinery is the editor for data-centric natural language processing. It combines training data and algorithms in a way that you can easily build NLP automations, e.g. to prototype ideas within an afternoon or to build quality assurance for your labeling workflow.

You can click on the below feature cards to jump into the documentation.

Manual labeling editor

refinery comes with a built-in editor (incl. role-based access) supporting classifications, span-extraction and text generation. Further, you can export data to other annotation tools like Labelstudio.

Best-in-class data management

Use our modular data management to find e.g. records with below 30% confidence and mismatching manual and automated labels, sorted by confidence. Assign that data either to an inhouse expert or a crowdlabeler.

Native large-language-model integration and finetuning

You love Hugging Face, GPT-X or cohere for their large language models? We do too. That is why we integrated them into refinery. You can use them for embeddings (and neural search), active transfer learning, or even to create the training data for finetuning these LLMs on your data.

Automate with heuristics

refinery is shipped with a Monaco editor, enabling you to write heuristics in plain Python. Use them for e.g. rules, API calls, regex, active transfer learning or zero-shot predictions

Monitor your data quality

In the project dashboard, you can find distribution statistics and a confusion matrix showing you where your project needs improvement. Every analysis can be filtered down to atomic level.

Integrate into your workflow via our Python SDK

Use our Python SDK (also available for the CLI) to export and import data with ease. For instance, you can use it to batch-export data from refinery to your favorite data science framework or to batch-import data from your data sources into refinery.

Open-source

Yes, you read that right. Our flagship product is open-sourced under the Apache 2.0 license. You can find the code on GitHub. We are also happy to accept contributions.

Put natural language processing into action.Turn ideas into production.

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