Meta AI Releases Muse Spark 1.3 to Compete with OpenAI and Anthropic in Frontier Performance
Meta AI unveiled Muse Spark 1.3, its most powerful large language model yet, claiming frontier performance competitive with Claude Fable 5.1 and GPT-5.6 Sol. Chief AI Officer Alexandr Wang called it Meta's biggest performance jump, particularly in coding and agentic tasks. However, uncertainty remains around open weights release and EU AI Act compliance.