16-year-old builds Forge, fully automated AI post-training infrastructure, at Y Combinator hackathon

The author, a 16-year-old, says he was accepted into Y Combinator's Haunted Hacks Hackathon, hosted with OpenAI and Agent Relay. The project, Forge, is described as fully automated post-training infrastructure: teams enter a training objective, and AI agents generate synthetic data, validate it, fine-tune a chosen base model, and monitor the fine-tuned model in production. The author says agents communicate with each other, so no human is needed in the loop, and that keeping alignment from drifting over time was the hardest part.

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