LLMs supply intelligence, agents do the work — do SaaS interfaces become obsolete?
ThomasBuildLab · reddit · 2026-10-28
A Reddit long-read proposes a three-layer model of the AI ecosystem: LLMs as selectable intelligence (like hiring people by strengths), persistent incremental memory as continuity — an independent layer that remembers project history across model/agent switches — and agents as execution, calling APIs instead of humans clicking through SaaS UIs. The prediction: SaaS backends survive, but interfaces fade as software becomes capability sets consumed by agents. Open question: do general AI assistants own the interface while persistent context becomes infrastructure, or do big platforms absorb all three layers?
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