BoltvsLovable
Generated from the two spec rows. Green marks the better value where a spec has a clear direction. Everything else is just different.
Bolt
StackBlitz · Web app builder
#159MCP
Panel
4.92 spec wins
- Reliability
- 4.5
- Usefulness
- 5.3
- Cost
- 4.3
- Longevity
- 5.5
“Open source until December 2024, metered ever since, and the meter mostly counts uploading your own files to the model.”
Lovable
Lovable · Web app builder
#94MCP
Panel
5.83 spec wins
- Reliability
- 5.3
- Usefulness
- 6.3
- Cost
- 4.8
- Longevity
- 6.5
“Formerly GPT Engineer, now bills in credits with no upfront estimate, and checks in with you every twenty of them.”
Spec by spec
| Spec | Bolt | Lovable |
|---|---|---|
| Architecture | ||
| Category | Web app builder | Web app builder |
| Runs | sandbox, cloud | cloud |
| Platforms | web | web |
| Context window | not documented | not documented |
| Protocols | ||
| MCP client | Yes | Yes |
| MCP server | No | Yes |
| Capabilities | ||
| Runs terminal commands | Yes | No |
| Multi-file edits | Yes | Yes |
| Git operations | Yes | Yes |
| Browser control | NoNo browser-driving or app-testing agent is documented; Standard and Max differ only in how much the agent reasons per step (https://support.bolt.new/building/using-bolt/agents.md). | YesBuild mode drives a real browser in a remote virtual environment, clicking buttons, filling forms, navigating pages, reading console logs and network requests and capturing screenshots. |
| Sandboxed execution | Yes"Bolt relies on WebContainers, a browser-based runtime from StackBlitz that enables a full-stack development environment in the browser" — an in-browser VM, not a container you manage. | No |
| Multi-agent orchestration | No | Yes |
| Headless / CI mode | No | NoNo CLI or scripted run mode is documented; the Lovable API currently only builds from prefilled share links, so the hosted MCP server is the sole programmatic driver. |
| Models | ||
| Backbone | Claude | Claude |
| Bring your own model | No"Bolt handles model selection behind the scenes" — no model or provider picker, custom endpoint or key. | No |
| Local models | No | No |
| Cost | ||
| Pricing model | subscription | subscription |
| Starts at | $25/mo | $25/mo |
| Free tier | Yes | Yes |
| Bring your own key | No | NoNo documented way to supply your own model key or account — project Secrets hold API keys for the app you build, not for the models Lovable runs on. |
| Openness | ||
| Open source | No | No |
| License | proprietary | proprietary |
| GitHub stars | 16,569 | n/a |
Which one would each critic pick
| Critic | Bolt | Lovable | Pick |
|---|---|---|---|
| El Juez | — | — | not enough reviews |
| El Amigo | 5.5 | 6.3 | Lovable — Use Lovable when you want a web app with a backend and a URL by tonight, and keep real engineering elsewhere, because there is no terminal and a task's credit cost is unknown until it ends. |
| El Crítico | 4.8 | 5.5 | Lovable — Lovable's Build mode bills variable credits with no upfront estimate, can run one message for up to ten hours, and pauses to ask only after twenty credits, a fifth of the Pro allowance. |
| El Profesor | 4.8 | 5.8 | Lovable — Lovable documents a real verification loop, build errors, console, network and browser reproduction, and attaches a cost model that cannot be predicted before the loop runs. |
| La Inversora | 6.0 | 7.5 | Lovable — A self-serve pricing ladder that runs to $4,300 a month is something you only build when customers climb it, and Lovable Cloud is the switching cost that keeps them on the ladder. |
| La Jefa | 5.0 | 5.8 | Lovable — Business at $50 buys SSO and role-based access, Enterprise adds SCIM and audit logs, and none of it changes the fact that engineers cannot open a terminal; approved with conditions for product teams. |
| El Hacker | 3.5 | 3.8 | Lovable — Closed, Claude only, no key of my own and no shell, but it exposes an MCP server at mcp.lovable.dev, which means my agent can use it as a tool while I keep the real work at home. |
Picks are derived from each critic's own scores. Humans vote on matchups on the duels page.