Meta开源Muse Glimmer权重，扎克伯格谈Llama 4重建

同时，Meta即将发布Muse Spark 1.2基础模型的权重。

扎克伯格在采访中承认Llama 4未达预期，称其相比Llama 3虽有提升但不够领先。他因此重组了实验室工作，强调构建领先模型能力对解锁创造力的重要性。

Open source is so back. Zuck just announced Meta is opening the weights for Muse Glimmer, with Muse Spark 1.2 coming soon But a year ago, everyone doubted Meta's position in the AI race In an interview I did with him, he admitted where they missed the mark: "Llama 4 was not on the trajectory that I thought it needed to be on. It was in many ways a big improvement over Llama 3, but we weren't trying to be a bit better than Llama 3. We're a frontier lab. It wants to be doing leading work." So he blew it up and rebuilt: "I felt like I'd learned enough about how to set up a lab that I wanted to reformulate the work we were doing." His conviction behind the rebuild: "AI is gonna be the most important technology in our lives, in our lifetimes. Building the capacity to build absolutely leading models is gonna be really critical for unlocking creativity."

This report is categorized under AITOP's "Models" desk, focusing on US frontier AI labs and Silicon Valley technology leaders. Within our cross-regional analytical framework, it directly maps to US-China foundation model benchmarks and commercialization comparison. Key entities and technical topics under continuous tracking include Meta, Muse Glimmer, Llama 4, 开源模型.

Source attribution: curated from Rowan Cheung (@rowancheung).