This was my thought. They messaged quite heavily in advance that they were capacity constrained, and I'd guess they just want to shuffle out GPT-4 serving as qu

This was my thought. They messaged quite heavily in advance that they were capacity constrained, and I'd guess they just want to shuffle out GPT-4 serving as quickly as possible as its utilisation will only get worse over time, and that's time they can be utilising better for GPT-5 serving.