Citi said its AI tools are currently accessible to around 150,000 employees across 11 countries, including the United States, India and Singapore. The company plans to expand availability to more markets later this year. The tools assist with internal functions such as retrieving information from Citi's policy library, summarising documents and drafting electronic communications, among other uses.Citigroup has launched Citi AI, a suite of artificial intelligence (AI) tools for its employees in Hong Kong, the bank said on Thursday. The tools support internal operations including information retrieval from Citi's policy library, document summarisation and creation of electronic communications drafts among others, it said in a statement.