Meta preps Muse AI, Llama updates and Playgrounds ahead of Meta Connect 2026

Meta went into its Connect 2026 event (September 23) with a full AI slate. Expected highlights include updates to its Muse AI agent — riding the momentum of Muse hitting #1 on the App Store — and a possible new Llama version. The company confirmed Muse Connectors, a program letting developers submit integrations, with Notion, Granola, and others available at launch, plus a Stripe payments partnership that hints at transactional, agentic use cases inside Muse.

TestingCatalog reporting also pointed to audio and video 'Playgrounds' in preparation, extending Meta's generative tooling into new modalities for creators. Together these signal Meta building a platform around Muse — connectors for reach, payments for monetization, Playgrounds for content — rather than a standalone assistant.

The ecosystem context is Llama's reach: a Benzinga analysis of a Counterpoint report found Llama powers 38% of adapted sovereign AI models, the largest share of any foreign base-model family, ahead of Mistral's 19%. That dominance is a double-edged narrative — it shows Llama's open-weight strategy paying off in adoption, while undercutting the 'sovereign AI' framing of governments building on it.

Competitively, Connect is Meta's chance to convert consumer Muse buzz into a durable developer platform against OpenAI's GPTs/Codex ecosystem and Google's Gemini. The overhang, as noted separately, is a reported zero-day in Muse just before the event and community skepticism over data-isolation claims. What to watch: the actual Connect announcements — whether a new Llama ships, how open the weights are (a live debate after Meta's prior open-source moves), and whether Muse Connectors attract meaningful third-party integrations.