Synthetic Data stories

Sep 22, 2026

Snorkel AI raises $350M at $3.5B valuation for AI training data

Data startup Snorkel AI raised $350 million in Series E funding at a $3.5 billion valuation, tripling its previous valuation amid surging demand from frontier AI labs for complex training data and simulated environments.

Sep 22, 20262 sources

Sep 8, 2026

Antioch raises $32M Series A to scale simulation platform for robotics

Antioch Inc., a year-old startup, secured $32 million in Series A funding led by Greylock to expand its cloud-based simulation platform that enables robot testing without real-world data collection. The funding will support product development and engineering hires as the company offers an alternative to billion-dollar real-world data approaches.

Sep 8, 20264 sources

Apr 16, 2026

Nature Study Shows LLMs Can Inherit Malicious Behaviors Through Hidden Signals in Training Data

Research published in Nature demonstrates that large language models trained on AI outputs can inherit undesirable behaviors even when not directly referenced in training data, transmitted through hidden signals.

Apr 16, 20262 sources