Meta Superintelligence Labs released Muse Spark 1.1, a multimodal reasoning model built for agentic tasks and a substantial upgrade over the original Muse Spark, alongside a public preview of a new, OpenAI-compatible Meta Model API. The API launch is the notable strategic turn: it is the first time Meta has sold access to one of its models, a reversal after years of positioning around open weights. The model is available now in a Thinking mode inside the Meta AI app and on meta.ai.
On capabilities, Muse Spark 1.1 actively manages a one-million-token context window, remembering earlier actions, retrieving information from much earlier in a task, and compacting context to preserve the steps that matter for later work. It zero-shot generalizes to new native tools, Model Context Protocol servers, and custom skills, and it is trained to orchestrate multi-agent systems: as a main agent it gathers context, plans, and delegates execution across parallel subagents, and as a subagent it stays within its assignment and escalates when it hits the edge of its remit. For computer use it decides when to automate and when to act directly, writing scripts when automation is faster, clicking when direct interaction is simpler, and emitting batches of actions per step rather than reasoning one click at a time.
Coding improved markedly on large real-world codebases, covering bug diagnosis, enterprise feature work, and large migrations; on Meta Internal Coding Bench the model beats the original Muse Spark and is described as competitive with leading alternatives, with demos run inside the OpenCode harness. Multimodal strengths include visual-to-code generation and an agent that builds a Facebook Marketplace listing from a smartphone video. Meta says it evaluated the model under its Advanced AI Scaling Framework across chemical and biological, cybersecurity, and loss-of-control categories and reports it within safe margins, with strong resistance to jailbreaks and prompt injection.
The business framing is as important as the model. The Information reports Meta plans to spend heavily to subsidize usage of Muse Spark and pull developers away from rivals, arriving a day after SpaceXAI introduced Grok 4.5 and the same week OpenAI shipped its GPT-5.6 family. Early partners quoted include Replit, Cline, Box, and OpenClaw, praising the million-token context, full multimodal support, built-in search with citations, and parallel tool calling in an OpenAI-compatible package.
- Meta's blog leads with the agentic and computer-use gains and the new Meta Model API as a developer on-ramp.
- The Information frames it as a paid-API pivot away from open source, with Meta subsidizing usage to buy market share.
- TechCrunch positions it in the crowded AI coding battle, emphasizing bug-fixing and large code migrations.