We’re entering the age of large-scale synthetic data

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Introduces Sim2Reason, a system that turns physics simulators into scalable data engines for generating synthetic data. It procedurally generates diverse physical scenarios in MuJoCo, extracts complete physical traces, and automatically constructs verified question-answer pairs (numeric, reverse, symbolic) without human annotation. Models trained on Sim2Reason data showed significant zero-shot performance improvements on physics and math reasoning benchmarks, demonstrating the value of aligned synthetic data.