Meta launches Muse Wonder AI models to compete with OpenAI and Anthropic in the United States

On October 12, 2026, Meta launched two new AI models, Muse Wonder and Muse Wonder Full, in the United States. The company claims these are its most capable models yet, designed to compete with OpenAI and Anthropic. The models will power Meta's personal AI assistant, Muse, and its coding tool, Muse Code. Meta's shares rose 4% after the announcement. The launch follows a year of heavy investment and research poaching by CEO Mark Zuckerberg to catch up in the AI race. The announcement comes amid a debate in Silicon Valley over the pace of AI development.