Meta Releases More Powerful AI Model, Muse Spark 1.3, Edging Closer to Rivals

Meta Platforms Inc. released Muse Spark 1.3, an updated and more powerful artificial intelligence model. Meta's chief AI officer stated that its capabilities are competitive with Anthropic's Claude Fable 5.1 and superior to OpenAI's GPT-5.6 Sol, particularly in coding and agentic capabilities. Developers gained access on September 2, with a rollout to Meta's social media platforms expected soon.