Recently, Sam Altman, co-founder and CEO of OpenAI, engaged in a discussion with three key technical leads of GPT-4.5, shedding light on numerous aspects of the model's development process. GPT-4.5 stands as the most costly project in OpenAI's history, beset by prolonged development timelines, recurrent computing cluster failures, and an unpredictable trajectory of enhancement. Altman emphasized that for this ambitious endeavor, OpenAI utilized nearly all of its available resources, involving hundreds of individuals in collaborative efforts, and ultimately prevailing over these formidable challenges.
