Vibe Check: Duet—Anthropic's Always-on Agent
Anthropic’s personal agent is the first one we’d call a pro tool, even with the plumbing still unfinished

TL;DR
- The author previously relied heavily on OpenAI's ChatGPT and its agent, Dot.
- Claude Duet, Anthropic's new always-on agent, has impressed the author, leading to a near 50/50 split in usage between ChatGPT and Claude.
- Claude Duet is Anthropic's entry into the personal agent market, competing with agents from Meta, X, and Instinct.
- The agent is available as a separate app on iOS, Android, and the web, and runs on the Opus 5.5 model.
- Anthropic positions Claude Duet as a professional tool, offering features like topic channels, task lists, and document editing capabilities.
- Despite its strengths, Claude Duet currently has drawbacks such as less effective email drafts than Dot and limited integration with custom connectors.
- The article suggests that Claude subscribers who do knowledge work should consider joining the waitlist for Claude Duet.