Comparisons only help when the two things are real alternatives for the same job. Each page here exists because people search for that pair, and each is built from the same product records as our reviews, so a price is the same everywhere it appears. Every page leads with "pick A if, pick B if" and then shows why.
Pick by situation
| You are | Start with | Read |
|---|---|---|
| A founder who needs a working app this week | Lovable or Bolt | Lovable vs Bolt |
| A non-technical founder choosing a first builder | Lovable or Replit | Best for non-technical founders |
| A designer or front-end team on Vercel | v0 | v0 vs Lovable, Bolt vs v0 |
| A solo builder who wants database, hosting and an IDE in one place | Replit Agent | Replit vs Lovable |
| Building an internal tool for your company | Replit, Lovable or Retool | Best for internal tools, Base44 vs Lovable |
| Budgeting a month of building | Lovable or Base44 (published per-message costs) | Build-cost calculator |
| A developer choosing an AI editor | Cursor | Cursor vs Windsurf |
| A developer or team delegating real work to an agent | Claude Code, Codex or Cursor | Cursor vs Claude Code, Claude Code vs Codex |
| Building your own agent in code | An agent framework | Agent frameworks compared |
| Packaging know-how for an assistant | A skill, GPT or Gem | Skills vs GPTs vs Gems vs Copilot |
Not sure it should be software at all? The decision tool answers that first.
Head-to-heads
Base44 vs LovableBase44 vs Lovable: simplest app or most portable app?Base44 vs Lovable on price, message vs integration credits, built-in backend, GitHub access and how hard each is to leave. Checked Nov 2026.Bolt vs v0Bolt vs v0: any-stack app in the browser, or Next.js code that ships to Vercel?Bolt.new vs Vercel's v0 compared: tokens vs model-priced credits, built-in database vs bring-your-own, stacks, GitHub sync and who should pick which. Nov 2026.Claude Code vs CodexClaude Code vs OpenAI Codex: the two agent-first coding tools comparedClaude Code and OpenAI Codex side by side: plans from $20, how the usage limits work, surfaces, models, team controls and which to pick. Checked Nov 2026.Cursor vs Claude CodeCursor vs Claude Code: editor-first or agent-first?Cursor is an editor with an agent; Claude Code is an agent with many interfaces. Pricing, usage limits, models and team features side by side. Nov 2026.Cursor vs WindsurfCursor vs Windsurf: the comparison after Windsurf became Devin DesktopCursor vs Windsurf after its rename to Devin Desktop: agents, models, pricing and team plans, with a pick-this-if verdict. Prices checked Nov 2026.Lovable vs BoltLovable vs Bolt: which AI app builder should you use?Lovable vs Bolt.new compared on pricing (credits vs tokens), built-in backend, GitHub sync and lock-in, with a pick-this-if verdict. Prices checked Nov 2026.Replit vs LovableReplit vs Lovable: a whole workspace or the fastest app?Replit Agent vs Lovable on what each includes, effort-based vs credit pricing, database and hosting, and leaving later. Prices checked Nov 2026.v0 vs Lovablev0 vs Lovable: UI-first code or a complete app?v0 vs Lovable on what each builds, backend, code ownership, free tiers and per-seat vs per-credit pricing, with a pick-this-if verdict. Nov 2026.
Multi-way comparisons
- AI app builders compared: Lovable, Bolt, v0, Replit Agent, Base44, Claude Code and Cursor, with who should pick which and the signs you've outgrown them.
- Best AI app builder for non-technical founders: the five builders ranked with the rubric re-weighted for speed, a managed backend and a predictable bill.
- Best AI app builder for internal tools: re-weighted for SSO, backend and ownership, with SSO by plan and when Retool fits better.
- Build-cost calculator: estimate a month on Lovable or Base44 from their published per-message credit costs, and compare your own Bolt and Replit figures.
- AI agent frameworks compared: OpenAI Agents SDK, Claude Agent SDK, LangGraph, CrewAI, Mastra and Google ADK for teams building their own agents.
- Claude Skills vs custom GPTs vs Gemini Gems vs Copilot agents: packaging instructions for an assistant, including the Gems-to-skills migration.
- Where to find skills and MCP servers: eight directories and registries compared, including Skillspace, which we run.
- How to vet an MCP server or skill before you install it: a security checklist with real incidents and the switches that reduce risk.
- Vibe coding security checklist: ten checks before launching an AI-built app, each tied to a real incident.
How these are built
Each head-to-head reads its side-by-side table and score bars from the same records as the reviews, scored on the published rubric. Prices come from vendor pricing pages and docs, linked on every page, checked November 1, 2026. Skillspace, our own product, appears only on the registry and vetting pages, where it's labelled as ours and its weaknesses are listed with everyone else's.