Best AI tools for building a SaaS

Updated · prices checked on vendor pages

Short answer: Write the code with Claude Code or Cursor, or start from Lovable if you don't code. Put the backend on Supabase for Postgres, auth and vectors. Deploy on Vercel. Use n8n for automations.

At a glance

ToolBest forFree tierPricingChecked
Claude CodeDelegating multi-file features from terminal or IDEClaude Free plan exists, but Claude Code requires a paid plan (per third-party comparisons; verify)Pro $20/mo ($17/mo billed annually); Max from $100/mo; Team standard seat $25/mo ($20 annual)source · 2026-10-14
CursorDevelopers who want AI inside a full editorFree: limited AI usagePlus $8/mo (Grok models); Premium $30/mo (4x usage; third-party models billed by usage); Super $100/mo; Ultra $200/mo; Teams $30+/user/mosource · 2026-10-14
LovableFounders shipping polished web apps fast5 build credits/day (up to 30/mo) + 20 Cloud credits/moPro price not captured from the official page (JS-rendered); $25/mo per third-party check on 2026-10-11 — verifysource · 2026-10-14
SupabaseFull-stack AI apps needing auth and vectorsFree: 500 MB DB, 50K MAU; pauses after 1 week inactivePro from $25/mo (incl. $10 compute credit); Team from $599/mosource · 2026-10-14
VercelFront ends and serverless AI routesHobby $0 (personal, non-commercial)Pro $20/mo including $20 usage credit; Enterprise customsource · 2026-10-14
n8nAutomations gluing APIs and LLMsSelf-hosted Community Edition free; Cloud free trial (no card)Cloud Starter €20/mo and Pro €50/mo (billed annually); Business €667/mo (annual)source · 2026-10-14

Starter stack cost

Using the paid tiers shown above (Claude Pro, Supabase Pro, Vercel Pro), a typical solo SaaS stack runs about $65/mo before model usage. Most of the pieces have a free tier you can start on. This is an estimate. Your usage will change it.

Where a fact reads “verify” or “unknown”, we could not confirm it on the vendor’s own page on the checked date. Check it before you buy.

Sources

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