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Idler

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Reinforcement learning environments.

Summer 2025Founded 202513 peopleSan Francisco, CA, USA
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About

Idler builds reinforcement learning environments that teach AI models to code at expert human levels. We create training environments based on real-world coding scenarios that prepare models for the complex challenges they'll face in production.

Founders · 3

Ivan Chub
Ivan ChubFounder
Meta

Idler. Previously cofounder of Dark Forest, 0xPARC, Zupass, Hack Lodge; also previously at Facebook, Dynasty, AppSheet.

Nalu Concepcion
Nalu ConcepcionFounder
Cornell

currently: building RL environments. formerly: orchestrated 500+ person parties, monthly @ notsominimoments · eng @ msft · fellow @ notable capital · product @ poshmark · ds @ paymongo cornell computer science + operations research & information engineering. DM's especially open to book / movie / song recs.

Tony Goss
Tony GossFounder

Dark Forest, Zupass, US Census Bureau. Pro ultimate player, state champion coach, and Dominion nerd

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