[OpenAI's New Flagship Astra Rumored to Launch Next Week, Largest Pretrained Model Since GPT-4.5] According to monitoring by Beating, the leaker and blogger Leo claims that OpenAI is aiming to release its new model, Astra, next week. According to him, Astra is based on an entirely new round of pretraining and is the largest model OpenAI has trained since GPT-4.5. The most recent internal testing version of Astra is codenamed 'mewfour' and has now been designated as a release candidate. OpenAI has confirmed that Astra will be its next flagship model. The internal version has reportedly advanced solutions to 10 long-standing unsolved problems in mathematics and theoretical computer science. [Original Article Link]