I got a private lesson on Claude Cowork & Claude Code
Boris Cherny, creator of Claude Code, demonstrates how Claude Cowork — a new agent-based desktop application — enables non-technical users to automate tedious tasks by controlling their computer, managing files, and interacting with web applications. The episode explores practical use cases for both products and reveals how agentic AI represents a fundamental shift in how knowledge workers can delegate work, with implications for productivity and workflow automation across all skill levels.
Key takeaways
- • Claude Cowork is built on the same agent technology as Claude Code but provides a user-friendly UI that makes agentic AI accessible to non-technical users, eliminating the need to use a terminal.
- • Use parallel task execution rather than deep focus on single tasks — start multiple Claude sessions across different devices (terminal, web, mobile) and tend to them throughout the day for maximum efficiency.
- • Opus 4.5 with Thinking mode is the most cost-effective and fastest model choice because its superior planning and reasoning abilities result in fewer token usage overall, outweighing the higher per-token cost.
- • Claude.md files serve as team knowledge bases that should be continuously updated during code reviews and shared across teams via Git; this prevents repeating the same feedback and compounds the model's performance over time.
- • Always give Claude a way to verify its own output — whether through running tests, opening a browser, or viewing results — as this dramatically improves quality since the model works better with visual feedback, similar to how a blindfolded painter cannot create detailed work.
- • Create detailed plans before execution and iterate on the plan with the model before switching to auto-accept mode; once the plan is solid, the model can execute it nearly perfectly, making planning the most underutilized but highest-impact feature.
Recommendations (6)
"if you have co-work installed and you install the Chrome extension, that's pretty much all you need and it'll do everything else for you"
Boris Cherny · ▶ 23:23
"you run this /command/install GitHub action. And what this does is it installs the Claude app in your GitHub repo"
Boris Cherny · ▶ 36:02
"I use Opus 4.5 with Thinking for Everything. It's the best coding model I've ever used."
Boris Cherny · ▶ 33:48
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