Idler

Idler builds reinforcement-learning training environments from real-world coding problems, giving model labs scenario-based settings in which to teach and evaluate code-generation models on realistic engineering tasks.

Its primary customers are foundation labs, AI research and evaluation teams, and organizations building coding-assistant products. Idler operates as a vendor of bespoke environment and data work to model-training labs, competing in the market for RL training infrastructure, code-benchmark tooling, and developer-facing AI evaluation.