Since it was released in November last year, artificial intelligence chatbot ChatGPT has taken the Internet by storm. Hailed as the most sophisticated form of generative AI yet, the tool has impressed by competently engaging in sophisticated dialogues, drafting essays, summarising documents, and even writing software.

Harvey AI, an artificial intelligence startup backed by OpenAI, has partnered with one of the world's largest law firms to automate some legal document drafting and research in what the company says could be the first of more such deals.