The Wall Street Journal built a chat product, Lars, the AI taxbot, to answer readers’ questions on filing U.S. taxes.
The Journal’s reporters write guides to how to file taxes “and every time they write one of these articles, they get hundreds and hundreds of questions with very specific and very personal details.
Lars is a RAG model, grounded in WSJ content and also publicly available content from the tax authorities. It went through two phases of evaluation: the first internal and then to assess whether the audience found it useful.
