- Replit is a cloud development tool that lets users build and deploy apps in the browser. CEO Amjad Masad said on stage at the Disrupt event that Replit had switched the default model for Replit Agent to OpenAI's ChatGPT.
- Masad cited cost, partnerships, and performance as reasons. The performance claim is based on benchmarks that Replit published itself, and the original article does not present independent verification or the measurement conditions.
- The original article reports that users can still choose other models such as Claude, but most customers tend to keep the default. It also adds that this change could significantly reduce Replit's spending on Anthropic.
- According to the original article, Replit was until recently one of Anthropic's top 5 customers and once ran its platform on Claude models. However, one internal source said the partnership is still ongoing, and a blog post from September also says Claude models are used in Replit Agent's production environment.
O: A founder building agent apps with Replit may find this useful when comparing Claude and ChatGPT side by side with the same requirements in settings, before changing the default model for their next project.
X: The performance advantage is a claim based on benchmarks Replit published itself. The source does not include independent verification or test conditions, so it should be checked before judging.