Cline vs bolt.diy
Both are alternatives to v0. Here's how they stack up — verified facts, no spin.
Also searched as bolt.diy vs Cline — same comparison, one verdict.
Both are ai app builders tools with the same broad shape, but Cline scores 92 against bolt.diy's 78 on data ownership and exit cost — the gap is in how easily you could leave.
Cline
For developers: the same prompt-to-code loop, inside your own repository and editor.
If you mainly use v0 to generate Next.js and shadcn/ui code that ends up in a repository you already have, an open coding agent can do that job in place. Cline (Apache-2.0) runs as a VS Code extension, a JetBrains plugin, a CLI and a desktop app for macOS and Windows. It reads your project, plans before it acts, shows every edit as a diff you can review, asks before running commands, and keeps checkpoints you can roll back to. It works with Anthropic, OpenAI, Google, OpenRouter, Vercel AI Gateway, Bedrock, any OpenAI-compatible endpoint, or local models through Ollama or LM Studio. It is a coding agent, not an app builder: there is no hosted preview or one-click deploy, so it suits people comfortable running a dev server themselves.
bolt.diy
The open-source edition of Bolt.new: a browser-based app builder you run yourself, with any model.
bolt.diy is the official open-source version of Bolt.new, published under StackBlitz Labs and maintained as a community project. You run it on your own machine (Node.js and pnpm, or Docker) and get a browser-based builder with chat, an editor, a terminal and a live preview of Node.js-based web apps, using whichever of its more than 20 providers you choose, including Ollama and LM Studio for local models. Projects download as a ZIP, connect to Git, and deploy to Netlify, Vercel or GitHub Pages. One catch is specific to it: apps run inside StackBlitz's WebContainer API, which StackBlitz licenses separately and which needs a commercial licence for production use in a for-profit setting.
Side by side
10 points of comparison, every one read from a verified field. Green marks the side that wins a row outright. A dash means we do not hold that fact — never that it is zero.
| Cline | bolt.diy | |
|---|---|---|
| Sovereignty ScoreOur transparent 0–100 composite for data ownership and exit cost. | 92 | 78 |
| Open source | Yes | Yes |
| Self-hostable | Yes | Yes |
| Local-first data | Yes | Yes |
| License | Apache-2.0 | MIT |
| Pricing | Free for individual developers (Apache-2.0); you pay only for inference, with your own keys or Cline's usage-billed provider. Optional ClinePass is $9.99/month for open coding models; Enterprise is custom. Verified on cline.bot/pricing and docs.cline.bot 2026-10-06. | Free and open source (MIT); you pay your model provider, or nothing beyond hardware with a local model. StackBlitz requires a separate commercial WebContainer API licence for production use in a for-profit setting; prototypes and proofs of concept do not need one. |
| RAM to run it wellThe figure that actually matters, not the vendor's minimum. | 32 GB for a local model that actually works. Cline's tested minimum is Qwen3 Coder 30B at 4-bit (~17 GB download, 32K context, Compact Prompt on). 64 GB runs the 8-bit version (~32 GB) with 128K context and every feature. With an API key, any machine that runs VS Code is enough. | — |
| Realistic running costWhat the box costs each month if you run it yourself. | $0 — it runs on the machine you already own. Cline is free for individuals and you pay only for inference: per-token API use with your own key, or the hardware to run a local model. | — |
| Setup timeHonest first-install estimate, not the marketing quickstart. | 5 minutes with an API key. An hour or two to set up Ollama or LM Studio with a big enough model and context. | — |
| Ongoing maintenanceThe part nobody budgets for. | Almost none. The marketplace updates it automatically and releases come often (v4.1.22 on 30 Sep 2026). The real work is watching your API spend. | — |
Cline edges it on the Sovereignty Score, but the right pick depends on the trade-offs below.
Cline
Strengths
- +Works on the repository you already have, so generated components land beside your real code
- +Every edit shows as a reviewable diff, with checkpoints to undo the agent's work
- +Any provider, or fully local with Ollama or LM Studio
- +Large and active: about 70k GitHub stars, with commits daily
Trade-offs
- −No live preview, hosting or deploy button of its own; you run the dev server and deploy yourself
- −Assumes you are comfortable in a code editor; it is not built for people who have never run a project locally
- −The JetBrains plugin is not open source; only the VS Code extension, CLI, SDK and desktop app are in the public repository
- −Per-token billing on a frontier model can cost more than a flat plan for heavy daily use
bolt.diy
Strengths
- +Chat, editor, terminal and live preview in one browser tab, running on infrastructure you control
- +More than 20 providers, including Anthropic, OpenAI, Google, OpenRouter, Ollama and LM Studio
- +Download any project as a ZIP, connect Git, and deploy to Netlify, Vercel or GitHub Pages
- +An active community project: about 19.9k GitHub stars, with commits landing this week
Trade-offs
- −Its runtime, the WebContainer API, is proprietary; StackBlitz requires a commercial licence for production use in a for-profit setting
- −No one-click install: you run it from source with Node.js 22.12+ and pnpm, or Docker; the last tagged release and desktop build (v1.0.0) date from May 2025
- −Its README lists the move from single model calls to an agent-based system as still in progress
- −No hosting or database of its own: you deploy to Netlify, Vercel or GitHub Pages and connect Supabase yourself
Which one fits you
The trade-offs above, turned into a decision. Find the line that describes your team.
Choose Cline
if a lower exit cost matters more to you than any single feature, and works on the repository you already have, so generated components land beside your real code.
Choose bolt.diy
if chat, editor, terminal and live preview in one browser tab, running on infrastructure you control.
Neither, yet
if both carry a real cost you should weigh first — no live preview, hosting or deploy button of its own; you run the dev server and deploy yourself, and its runtime, the WebContainer API, is proprietary; StackBlitz requires a commercial licence for production use in a for-profit setting. If either of those is a dealbreaker for your team, the shortlist is wrong rather than the choice.
What it takes to run these yourself
Real requirements and honest running costs, not the vendor quickstart.
Cline vs bolt.diy — common questions
Is Cline a better fit than bolt.diy for ai app builders?
It depends on what you are optimising for, and the honest split is this: Cline scores 92 to bolt.diy's 78 on data ownership and exit cost, so it is the safer choice if you care about being able to leave. bolt.diy earns its place on a different axis — chat, editor, terminal and live preview in one browser tab, running on infrastructure you control. Neither is a wrong answer for every team; the table above is the actual comparison.
What happens if we want to switch later?
Cline keeps its data local or in open formats, so leaving is an export rather than a negotiation. bolt.diy is still self-hostable, so the files stay on your server either way — but it is not local-first by design, so check what its export produces before you rely on it.
Can I self-host Cline or bolt.diy?
Both can be self-hosted. The difference is what it costs you in time rather than whether it is possible — see the setup and maintenance rows above.
Are Cline and bolt.diy both alternatives to v0?
Yes — both appear in our v0 comparison, which is why they are worth putting side by side. People usually arrive here already having decided to move off v0 and now choosing between the two replacements, which is a narrower and much easier question.
Related alternative guides
Facts verified 2026-10-06. Licenses and pricing change — spotted something out of date? That's a correction we want.