Why GPT and Claude Failed the World's Biggest Hedge Fund's Finance Test — and a Custom Model Hit 84.7%
Bridgewater and Thinking Machines Lab tested Gemini, Claude, and GPT on the document-filtering work real investors do every day. The best frontier model topped out at 78.2% — below the 80% investors needed to trust it. A smaller custom model, trained on private expert answers, hit 84.7%. Here&