Meta has launched its latest AI model, Muse Wonder, and claims it is the most advanced option for powering digital assistants. But this is not free.
To access the model, users of the Muse personal agent app will need to sign up for a monthly subscription of $20 or $100. This release highlights Meta’s efforts to create new AI-derived revenue streams outside of its core online advertising business.
Meta AI chief Alexandr Wang said in an interview Monday that the company developed Muse Wonder, codenamed Watermelon, to improve the capabilities of “personal and business agents” so they don’t stumble on tasks like booking dinner and checking availability.
“When you do real-world tasks, you’re going to encounter obstacles and things that come up or various setbacks,” Wang said. “We specifically tried to train the model so that it can try other approaches instead of stagnating and then coming back to the user at any time.”
Mark Zuckerberg, CEO of Meta Platforms Inc., reveals the Muse Charm device at the Meta Connect event in Menlo Park, California, United States, Wednesday, September 23, 2026.
Minh Connors | Bloomberg | Getty Images
Meta said in a blog post that the latest model “offers our strongest safeguards to date” against “cyber misuse.” For now, these protections are only provided with the paid model.
Muse climbed to the top of Apple The App Store after Meta introduced the AI agent app last month. The app is free, with subscription plans available for increased usage.
Wang said Meta’s AI team is monitoring agent-related “incidents or issues” with Muse to understand issues and resolve them. Some users complained on social media that the agent had accessed personal messages without authorization, which the company disputed.
Meta is trying to better inform people about how to use the app to avoid certain problems, Wang said.
“I think there are definitely cases where users have allowed various communications or such at the beginning of a conversation and then maybe forgot about it,” Wang said. He added that the company is educating users on these topics “to ensure that consumers can trust the product in the future.”
Muse Wonder will also be available to coders who pay for access to the company’s associated Meta Model API. Wang said this offering would cost more than standard subscriptions because it is a “much broader and border-level model.” He said it would still be priced “significantly lower” than the main models from OpenAI and Anthropic.
An even more powerful variant of Meta’s latest model, dubbed Muse Wonder Full, will only be available to developers who sign up for the company’s software engineering-focused Muse Code AI agent as part of a $50 or $200 per month subscription.
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