Meta launches flagship Muse Spark 1.1 model with multi-agent upgrades
Multi-agent automation just got a flagship competitor. Meta's Muse Spark 1.1 is live.

Why it matters
Meta is making a direct play in the multi-agent LLM space with a new flagship model and API access, signaling aggressive competition against OpenAI and Anthropic in agent-capable model infrastructure.
The key facts
5 to knowMeta launches Muse Spark 1.1 flagship LLM
Model optimized for multi-agent automation workflows
Available via Meta AI chatbot and API
Meta Model API enables third-party embedding
Positioning as alternative to closed-model agents
Go to the source
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Publisher excerpt: Meta Platforms Inc. today launched a new flagship large language model optimized to power multi-agent automation workflows. Muse Spark 1.1 is available in the company’s Meta AI chatbot service and via an application programming interface. The Meta Model API, as it’s aptly called, will enable…