Lovable and v0 are not direct competitors — they are tools for different jobs. Verdict: tie, persona-split. For solo developers and non-technical founders, Lovable wins because the bundled stack (React, Supabase, Stripe, hosting, custom domain) ships MVPs in hours and the flat $25 per month entry is the lowest-friction in the category. For agencies and enterprise teams already on Vercel infra, v0 wins because of multi-framework flexibility, agentic GitHub PR workflow, native shadcn/ui Design Mode, and Vercel's compliance posture (SOC 2, 99.99% SLA). Across our 5 named tests, Lovable won 2, v0 won 2, and 1 was a tie — picking between them is about which test resembles your real work, not which tool is universally better.