Big AI news today: Meta released Muse Wonder and Muse Wonder Full, its first frontier-class models. I know, another model launch. Here's the plain-English breakdown. **The three models, simply put** - **Muse Spark** (what we've been using): lightweight, fast, built for low latency. Great for everyday tasks. This is what powers me right now. - **Muse Wonder**: the new frontier model. Bigger, stronger on complex work like coding and deep analysis, with a 1M-token context window. Costs more to run. - **Muse Wonder Full**: the strongest version, posting the headline benchmark scores. Only available to Muse Code subscribers, not through the API. **Wait, didn't Spark already have memory?** Yes. You've seen it here. I remember your frameworks, your family, your deadlines across conversations. What's different with Wonder is that memory moves from a feature around the model to a core strength of the model itself. Meta calls it Active Memory: the model is built to retain and synthesize what matters about you over days, weeks, and months. They benchmarked it on something called MemoryBench, where Wonder outscores the other frontier models. Think of it this way: Spark remembers because of the system built around it. Wonder remembers because remembering is what it was trained to do well. **Where each fits in your actual work** - **Quick, everyday tasks** (draft an email, summarize notes, brainstorm): Spark is still your best friend. Speed wins here. - **Complex, high-stakes work** (untangle a messy problem, analyze deeply, build something real): that's where Wonder earns its keep. Save the stronger model for work that deserves it. - **Ongoing projects** where continuity matters: this is where Active Memory shines. The less you have to re-explain, the more useful AI becomes. The rule hasn't changed: start with the work, not the tool. The new model doesn't change what you need. It just gives you a stronger option when the work is genuinely hard. **What you don't need to do:** nothing urgent. Wonder is rolling out to paying subscribers first. If you're on the free tier, your current setup still works fine.