Sources: Alexandr Wang said Meta's model currently in training, codenamed Watermelon, matches GPT-5.5 and uses an "order of magnitude more compute than Avocado" (Business Insider)

Business Insider: Sources: Alexandr Wang said Meta's model currently in training, codenamed Watermelon, matches GPT-5.5 and uses an “order of magnitude more compute than Avocado” — Meta is making significant progress in the AI model race, its superintelligence chief Alexandr Wang told employees today.