SaaSpocalypse 2026: AI Coding Agents Cited as Accelerating $1T SaaS Market Disruption as Custom Builds Outpace Subscriptions

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Analyst coverage tracking AI coding agent-driven SaaS displacement has intensified in March 2026, with Forrester and independent analysts citing vibe-coded custom tools replacing point SaaS solutions at accelerating rates. The $1T disruption thesis is supported by data points: Retool reporting 35% feature replacement, Emergent hitting $M ARR in 8 months, and growing enterprise reports of seat compression. The shift challenges traditional per-seat SaaS licensing models.