Manus My Computer vs Local AI Agents - Which Path Wins?
Manus My Computer vs Local AI Agents - Which Path Wins?
Manus made waves with their "My Computer" product - a polished desktop agent backed by significant funding and a growing team. It is the corporate approach to desktop AI. On the other side, independent local agents take a different path - leaner, faster, and built for developers who want control.
The Speed Difference
Manus relies heavily on screenshot-based understanding. Capture the screen, send it to the cloud, get back instructions, execute. Each round trip adds latency. Local agents that use accessibility APIs and DOM-level control skip the screenshot step entirely. They read the element tree directly, which is both faster and more reliable than interpreting pixels.
The speed gap compounds during multi-step workflows. A task that requires 20 interactions might take Manus 40 seconds of round-trip time. A local agent doing the same task through direct API access finishes in under 10 seconds.
The Part Nobody Talks About - Memory
Here is where most agents fall short regardless of their architecture. An agent that forgets everything between sessions is just a fancy macro. You have to re-explain your preferences, your workflows, and your context every single time.
The agents that will win long-term are the ones that build persistent memory. They learn that you always want emails formatted a certain way. They remember which Slack channels matter to you. They know your file organization preferences. This accumulated knowledge turns a generic automation tool into a personalized assistant.
Manus has the resources to build memory infrastructure. But local agents have an advantage here too - your data stays on your machine. There is no privacy tradeoff for personalization. The agent learns your patterns from local observation without sending your habits to a cloud server.
Both paths have merit, but the combination of local speed, native OS integration, and private persistent memory is hard to beat.
Fazm is an open source macOS AI agent. Open source on GitHub.