According to Greg Brockman, OpenAI released GDPval as an early step toward better methods for measuring and forecasting real-world model progress, indicating a new evaluation initiative from a leading AI lab. Source: https://twitter.com/gdb/status/1971301844585676930; https://x.com/OpenAI/status/1971249374077518226 The announcement was posted on September 25, 2025, and describes the goal of improving how real-world model progress is measured and forecasted, without additional technical or market details in the post itself. Source: https://twitter.com/gdb/status/1971301844585676930; https://x.com/OpenAI/status/1971249374077518226