We define and advance data and environments to push the AI frontier

Built on 10+ years of pioneering research in data-centric AI,
including 250+ publications and benchmarks.

building benchmarks and collaborating with

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key research areas

Vision and impact

We help labs advance frontier models by working with domain experts to design and build complex, realistic datasets that drive model performance.

initiatives

Community and open science

Open benchmarks, conversations, and research for real-world AI performance.

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Open Benchmarks Grants

Backed by a $3M commitment, the program funds
open-source datasets, benchmarks, and evaluation artifacts that shape how frontier AI systems are built
and evaluated.

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Bench Talks

Our podcast series at the intersection of AI evaluation, data quality, and real-world impact.
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Reading Group

A recurring forum for researchers and practitioners to explore the latest frontier developments in AI while building meaningful connections within the community.

DEEP RESEARCH Expertise

Technical advisors and distinguished affiliates

Stephen Bach headshot

Stephen Bach

Brown University
Eliot Horowitz Assistant Professor, Computer Science Department
Jason Fries headshot

Jason Fries

Stanford University
Assistant Professor of Biomedical Data Science and of Medicine
Jared Dunnmon headshot

Jared Dunnmon

Co-Founder & Chief Scientist, Stealth Startup
Prev. Dir. of AI at DIU
Fred Sala headshot

Fred Sala

Chief Scientist
,
Snorkel AI
Assistant Professor @ University of Wisconsin-Madison
Chris Ré headshot

Chris Ré

Co-Founder
,
Snorkel AI
Professor @ Stanford University
Ludwig Schmidt headshot

Ludwig Schmidt

Stanford University · LAION
Stanford researcher and LAION collaborator
Karthik Narasimhan headshot

Karthik Narasimhan

Princeton University
Professor of Computer Science
Yu Su headshot

Yu Su

Ohio State University
Associate Professor of Computer Science and Engineering
Lewis Tunstall headshot

Lewis Tunstall

Hugging Face
Machine Learning Engineer
PUBLICATIONS

Browse research blogs
and academic papers

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4 new papers show foundation models can build on themselves
Blog
4 new papers show foundation models can build on themselves

The surest way to improve foundation models is through more and better data, but Snorkel researchers showed FMs can learn from themselves.

Aug 31, 2023
Learn more about 4 new papers show foundation models can build on themselves
Accelerating predictive task time to value with generative AI
Blog
Accelerating predictive task time to value with generative AI

Generative AI can write poems, recite common knowledge, and extract information. GenAI can also help quickly build predictive pipelines.

Aug 17, 2023
Learn more about Accelerating predictive task time to value with generative AI
Reasoning over Public and Private Data in Retrieval-Based Systems
Users and organizations are generating ever-increasing amounts of private data from a wide range of sources. Incorporating private context is important to personalize open-domain tasks such as question-answering, fact-checking, and personal assistants. State-of-the-art systems for these tasks explicitly retrieve information that is relevant to an input question from a background corpus before producing an answer. While today’s retrieval systems assume relevant corpora are fully (e.g., publicly) accessible, users are often unable or unwilling to expose their private data to entities hosting public data. We define the Split Iterative Retrieval (SPIRAL) problem involving iterative retrieval over multiple privacy scopes. We introduce...
Research Paper
Reasoning over Public and Private Data in Retrieval-Based Systems

Users and organizations are generating ever-increasing amounts of private data from a wide range of sources. Incorporating private context is important to personalize open-domain tasks such as question-answering, fact-checking, and personal assistants. State-of-the-art systems for these tasks explicitly retrieve information that is relevant to an input question from a background corpus before producing an answer. While today’s retrieval systems assume…

Aug 07, 2023

S. Arora, et al.

Learn more about Reasoning over Public and Private Data in Retrieval-Based Systems
Getting better performance from foundation models (with less data)
Blog
Getting better performance from foundation models (with less data)

Getting better performance from foundation models (with less data)

Aug 04, 2023
Learn more about Getting better performance from foundation models (with less data)
Data fuels enterprise AI value: 6 takeaways from the Gartner Hype Cycle for Artificial Intelligence, 2023
Blog
Data fuels enterprise AI value: 6 takeaways from the Gartner Hype Cycle for Artificial Intelligence, 2023

GenAI may be the most transformative technology of the past decade but data is where enterprises are able to realize real value from AI today.

Aug 02, 2023
Learn more about Data fuels enterprise AI value: 6 takeaways from the Gartner Hype Cycle for Artificial Intelligence, 2023
Enhancing CLIP with CLIP: Exploring Pseudolabeling for Limited-Label Prompt Tuning
The paper explores the use of pseudolabels, which are heuristic labels for unlabeled data, to enhance the performance of vision-language models like CLIP via prompt tuning. The authors investigate different learning paradigms and prompt modalities and find that iterative prompt-training strategies leveraging CLIP-based pseudolabels lead to significant improvements in CLIP's image classification performance.
Research Paper
Enhancing CLIP with CLIP: Exploring Pseudolabeling for Limited-Label Prompt Tuning

The paper explores the use of pseudolabels, which are heuristic labels for unlabeled data, to enhance the performance of vision-language models like CLIP via prompt tuning. The authors investigate different learning paradigms and prompt modalities and find that iterative prompt-training strategies leveraging CLIP-based pseudolabels lead to significant improvements in CLIP’s image classification performance.

Aug 02, 2023

Menghini et al.

Learn more about Enhancing CLIP with CLIP: Exploring Pseudolabeling for Limited-Label Prompt Tuning
Alfred: A System for Prompted Weak Supervision
The paper introduces Alfred, a system for programmatic weak supervision (PWS) that creates training data for machine learning by prompting. It enables users to encode their subject matter expertise via natural language prompts for language and vision-language models.
Research Paper
Alfred: A System for Prompted Weak Supervision

The paper introduces Alfred, a system for programmatic weak supervision (PWS) that creates training data for machine learning by prompting. It enables users to encode their subject matter expertise via natural language prompts for language and vision-language models.

Aug 02, 2023

Yu and Brown

Learn more about Alfred: A System for Prompted Weak Supervision
Leveraging Instance Features for Label Aggregation in Programmatic Weak Supervision
The paper proposes a statistical label model called FABLE that incorporates instance features to improve the accuracy of inferred truth in Programmatic Weak Supervision (PWS). FABLE is built on a mixture of Bayesian label models, where the coefficients of the mixture components are predicted by a Gaussian Process classifier based on instance features.
Research Paper
Leveraging Instance Features for Label Aggregation in Programmatic Weak Supervision

The paper proposes a statistical label model called FABLE that incorporates instance features to improve the accuracy of inferred truth in Programmatic Weak Supervision (PWS). FABLE is built on a mixture of Bayesian label models, where the coefficients of the mixture components are predicted by a Gaussian Process classifier based on instance features.

Aug 02, 2023

J. Zhang et al.

Learn more about Leveraging Instance Features for Label Aggregation in Programmatic Weak Supervision
How we built better GenAI with programmatic data development
Blog
How we built better GenAI with programmatic data development

We used weak supervision to programmatically curate instruction tuning data for open-source LLMs to build a better GenAI.

Jul 19, 2023
Learn more about How we built better GenAI with programmatic data development
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