Framework · 1 note · discussed by Lenny Rachitsky

Deterministic Automation vs. Reasoning and Acting Agents

Every note in the archive that names Deterministic Automation vs. Reasoning and Acting Agents: summaries, key takeaways and links to the original essays, episodes and posts. Ask a question below to get a cited answer from just these notes’ authors.

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Lenny’s Newsletter♥ 458

Not all AI agents are created equal

Apr 14, 2026 · 15 min
Subscriber post — summary only

The post argues that 'AI agent' covers very different systems, so teams should first categorize each idea by architecture before prioritizing. It proposes three categories (deterministic automation, reasoning and acting…