Summary: The Latent Space podcast features an exclusive interview with Reza Shabani, Head of AI at Replit, who discusses the company's journey into building a data platform, developing GhostWriter, and training their own state-of-the-art code LLM. Replit has open-sourced their code LLM, which beats OpenAI's Codex model on the industry standard HumanEval benchmark when finetuned on Replit data and passes AmjadEval. Shabani also discusses Replit's plans for the future, including scaling laws, MosaicML, and hiring for roles in North America timezone.