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305 - Subagents explained - What they are, when (not) to spawn them

Fragmented - AI Developer Podcast·Kaushik Gopal, Iury Souza·17 February 2026·27 min

About this episode

Subagents are becoming a core primitive for serious AI-assisted development. In this episode, Kaushik and Iury disambiguate "agent" terminology, unpack plan mode vs subagents, and explain how parallel, scoped workers improve research quality without polluting the main thread. Full shownotes at fragmentedpodcast.com. Show Notes Resources & Documentation Official Documentation Agents, Modes, Subagents: official harness docs Claude Code Subagents Gemini CLI Subagents Opencode Subagents Cursor Subagents Antigravity Agent Modes AOE Scouting Research Papers & Articles Introducing Claude Opus 4.5 Deep-Research Agents Paper Post: GPT-5 System Card by Alex Xu Self-Driving Codebases Blog - multi-agent systems making 1,000 commits/hour Get in touch We'd love to hear from you. Email is the best way to reach us or you can check our contact page for other ways. We want to hear all the feedback: what's working, what's not, topics you'd like to hear more on. Contact us Newsletter Youtube Website Co-hosts: Kaushik Gopal Iury Souza [!fyi] We transitioned from Android development to AI starting with Ep. #300. Listen to that episode for the full story behind our new direction.