> Synthetic data is all you need for Reinforcement Learning
[AUTHOR: Expert Insights on Synthetic Data from the Tonic.ai Blog]
[DATE: 31/03/2026 20:16]
[LANGUAGE: EN]
We used Tonic Fabricate to generate a fully synthetic email corpus, then RL fine-tuned an open-source model against it. The result: it beat o3 on real Enron emails — without ever seeing a real email.
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