Frontier Data Review

A blog and newsletter on AI training data quality and research methodology and Teaching models to perform complex, real-world work.

Data Infrastructure · Model Capability and Data · Annotation Methodology

3 entries · Frontier Data Review

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3 entries

Data Infrastructure

Cover illustration for “Distributed Data Preprocessing Pipelines for Petabyte Corpora”

Distributed Data Preprocessing Pipelines for Petabyte Corpora

Elias Bauer9 min read

Model Capability and Data

Cover illustration for “Reasoning Trace Quality in Chain-of-Thought Training Data”

Reasoning Trace Quality in Chain-of-Thought Training Data

Beatrice Petrova10 min read

Annotation Methodology

Annotator Disagreement as a Signal in RLHF Pipelines

Disagreement between annotators reveals genuine value differences, not errors to eliminate.

Kai Halvorsen12 min read