GPT-5.5 Is Out. Here's What Finance Teams Should Actually Test First.
30 April 2026 | By Timothy, CPA — Managing Director, Professional Financelink (PFL) GPT-5.5 Is Out. Here's What Finance Teams Should Actually Test First. Labels: AI Finance ⚠️ Privacy reminder: Before testing any AI model with real financial data, check the platform's data handling and training policies. Enterprise and Team configurations typically include data isolation — consumer-tier accounts often do not. Never input participant-identifiable, client-specific, or commercially sensitive data into a model whose training data policy you haven't confirmed. OpenAI released GPT-5.5 on 23 April — exactly one week ago. The launch cycle for frontier AI models is now moving fast enough that a new release can feel routine before most people have had a chance to test it properly. So I spent the last week actually running it through the kinds of tasks that matter in a finance context, rather than reading benchmarks and forming an...