Meta introduced Muse Spark 1.1 and a public preview of the Meta Model API, pairing a 1 million-token context window with pricing that undercuts U.S. rivals.

Meta launched its new flagship AI model Muse Spark while Anthropic released Claude Mythos Preview, marking a major week of competing AI model launches.

Meta debuts Muse Spark, its first major LLM from Meta Superintelligence Labs led by chief AI officer Alexandr Wang, targeting rivals Google and OpenAI.