Architecture and Beyond
Jul 5, 2026 · Artificial Intelligence
Why Session‑First and Agent‑First Are Different, Not Better or Worse
The article analyses the Session‑First and Agent‑First paradigms for AI‑enabled software, outlining how Session‑First hides complexity in long chat sessions for rapid product launch, while Agent‑First restructures systems around autonomous agents with explicit APIs, documentation, security and observability, and advises when each approach is appropriate.
AI system designAgent FirstSession First
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