Replace / Bolt.new
Best free Bolt.new alternatives (open source, self-hosted) 2026
The best open-source alternative to Bolt.new is bolt.diy or LiteLLM, self-hosted on Railway. Prompt-to-app you host. bolt.diy is MIT — Bolt.new, Lovable, and v0 without the hosted builder seat.
Estimated save $1,200 a year.
Open the stackStart on Railway
How Bolt.new compares
| Bolt.new | bolt.diy | |
|---|---|---|
| Pricing model | Hosted subscription | Open-source or fair-code license; you pay the host |
| Hosting | Vendor cloud | Self-hosted on Railway or any VPS |
| Rough monthly cost | Public list price not verified this run | Hosting only — no SaaS seat meter in this repo |
- bolt.diy
MIT community Bolt.new: prompt, run, and edit apps with your LLM
- LiteLLM
OpenAI-compatible proxy the builder can call
FAQ
- What is the best free open-source Bolt.new alternative?
- The best open-source alternative to Bolt.new is bolt.diy or LiteLLM, self-hosted on Railway. Prompt-to-app you host. bolt.diy is MIT — Bolt.new, Lovable, and v0 without the hosted builder seat.
- Is it free?
- The bolt.diy licenses are open source or fair-code. You still pay hosting (Railway or any VPS) and any APIs the stack calls. There is no Bolt.new seat or task bill on this path.
- Can I migrate from Bolt.new?
- Yes. Start with the workflows or data you actually use, then cut over. The bolt.diy stack page has the agent prompt and the cost table; most teams rebuild the slice that matters and leave old Bolt.new links until they expire.
- How do I deploy it?
- Open the bolt.diy stack, copy the agent prompt, and deploy on Railway (one service, PORT, and a volume when the app needs disk). Placeholder: bolt.diy as a UI pointed at an OpenAI-compatible API (LiteLLM or a vendor). Persist config. No one-click template in this repo yet — Start on Railway. Internal tools stay on /stacks/baserow-appsmith.
- What does this replace?
- Lovable / Bolt.new / v0. The published small-team estimate on this stack is $1,200 a year.
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