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Muse Spark 1.1
MetaLarge Language ModelProprietaryMeta Superintelligence Labs' proprietary flagship LLM, updated July 2026 (1.0 launched April 2026). Focused on multimodal reasoning, coding, tool use, visual chain-of-thought, and multi-agent orchestration. Unlike Llama, Muse is not open weights and is served through Meta AI consumer products.
Abilities
Text GenerationCode GenerationReasoningVisionFunction CallingMultilingual
Use Cases
ChatbotCreativeResearchAutomation
Available in Tools
Meta AIhttps://www.meta.ai
Availability
Meta AI apphttps://www.meta.ai
WhatsApp / Instagram / Messenger
How to Use
Available to consumers through the Meta AI app and meta.ai, and inside WhatsApp, Instagram, and Messenger. No public API or pricing has been published. The companion Muse Image model (July 2026) generates images free in the same products.
Pros
- Meta's frontier effort — multimodal reasoning, visual chain-of-thought, and multi-agent orchestration
- Free to use inside Meta AI consumer products reaching billions of users
- Companion Muse Image model included free; Muse Video previewed with native audio
Cons
- Proprietary — a strategic break from the open-weight Llama line
- No public API, pricing, or developer access as of September 2026
- Specs (parameters, context window) undisclosed — hard to evaluate for engineering use
What to Use It For
Perfect For
Consumer assistant use inside Meta products
Free, deeply integrated with WhatsApp, Instagram, and Messenger
Good For
Casual multimodal tasks with images
Bundled with the free Muse Image generation model
Not Recommended
Building applications on an API
No developer API exists — use Llama (open weights) or a hosted provider instead
Try instead: Llama 4 Maverick, Claude Sonnet 5
Do Not Use For
Self-hosting or fine-tuning
Proprietary with no weights — the opposite of the Llama philosophy
Try instead: Llama 4 Maverick, Gemma 4
Technical Details
PricingFree via Meta AI consumer products; no public API
ParametersUndisclosed