Lenny's Newsletter · Claire Vo
podcastplaybookMeta’s new ‘Muse Wonder’ model: good for AI agents, bad for design
14 October 2026Product
Source excerpt
About Lenny's NewsletterWatch now (24 mins) | 🎙️Meta launched Muse Wonder with claims of frontier agentic performance, so I ran it headlessly through Claude Code against nearly 20 tasks to find out if any of it is true
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Apollo layer
What a founder can learn
Founder takeaway
Evaluate AI models against the distinct jobs in your workflow rather than treating overall capability as interchangeable. A model that performs well on agentic tasks may still be a poor choice for design work.
Why it matters
Adopting a model based on broad performance claims can lower output quality in specialized tasks. A small, task-specific evaluation helps you choose the right model—or combination of models—before embedding it in your product or operations.
Relevant guides
Put it to work
List 10–20 representative tasks for each critical workflow, define what a good result looks like, and run candidate models under the same conditions. Which model should own each task based on observed quality rather than headline claims?