The arena · AI coding assistant review
Bolt.new
by StackBlitz
The in-browser AI app builder that went from $0 to $40M ARR in 5 months on StackBlitz WebContainers
From $25/mo
Free (300K tokens/day, 1M/month), Pro $25/month with 10M tokens and rollover, Teams $30/member/month, Enterprise custom; 10% discount on yearly billing, but real-world complex builds often require token top-ups. Verified against bolt.new/pricing 2026-07.
StackBlitz (Anthropic Claude models, incl. Opus 4.6 in 2026)
300K tokens/day, 1M/month, hosting and unlimited databases included
Web app
No
No
No
What is Bolt.new?
StackBlitz's AI app builder, launched on 2024-10-03, that generates and runs full-stack apps entirely in the browser thanks to WebContainers (Node.js and npm running client-side, no local setup). It became one of the fastest-growing products ever, going from near shutdown to $40M ARR in five months. In 2026 it builds web and mobile apps (via Expo) on Claude models, including Opus 4.6 with adjustable reasoning depth.
Bolt.new pros & cons
Pros
- Proven traction: $0 to $4M ARR in 30 days, $20M in two months, $40M in five months, one of the fastest-growing dev products ever documented
- WebContainers run the whole full-stack environment in your browser tab: npm installs, Node server, database, no local setup at all
- Broader stack than v0: React, Node.js, PostgreSQL with Prisma, Tailwind, plus native mobile apps via the Expo integration
- Transparent file generation with an editable code view, and hosting, custom domains and databases bundled into the product
- Pro plan is the cheapest solo paid tier of the big app builders ($25/month with 10M tokens and rollover of unused tokens)
- Free tier gives 300K tokens/day (1M/month) to test real builds before paying, and there is an open-source sibling (bolt.diy) for self-hosting
Cons
- Token burn on complex projects is the single most discussed issue on r/vibecoding and r/nocode: a single request can exceed 100K tokens and revision loops can push real costs to $100-300/month
- The agent regularly claims it fixed a bug that is still demonstrably broken, a top frustration on r/boltnewbuilders
- Strong on the first iterations, struggles once the project grows: deep logic, complex integrations and preview instability are recurring complaints
- Trustpilot rating sits at 1.4/5 (vs 4.4/5 on Product Hunt), with January 2026 reviews describing hosting outages and no reachable support path
- No bring-your-own-key or model marketplace: you consume Bolt tokens at Bolt's margin, on the models Bolt chooses
The arena’s verdict
Bolt.new is the best pick for going from idea to a working full-stack or Expo mobile prototype in a browser tab, and at $25/month its Pro plan undercuts v0's $30 Team entry while offering more stack flexibility. The trade is predictability: budget for token burn well beyond the sticker price once your project passes the first iterations, and export to GitHub early because the agent's 'fixed it' claims and preview instability get worse as complexity grows. Avoid it for production apps you cannot afford to see offline, given the documented hosting outages and weak support. Developers who want control should graduate to Cline or an IDE agent once the prototype validates.
Thumbs up or thumbs down
Cast your verdict
Would you recommend Bolt.new, or warn the crowd away?
Top Bolt.new alternatives
All alternativesCompare Bolt.new head-to-head
What the crowd says
“It kept telling me 'the bug is now fixed' while the preview was still broken. Three loops later I'd burned 400K tokens on the same auth issue.”
“The $25 Pro with token rollover is fair for prototyping. Just export to GitHub early, once the app gets complex the revision loops eat tokens fast.”
“Built and hosted a working Expo app prototype in an afternoon without installing anything. WebContainers still feel like magic.”
Bolt.new: frequently asked questions
Is Bolt.new free?
Bolt.new offers a free tier (300K tokens/day, 1M/month, hosting and unlimited databases included). Paid plans start at $25/mo.
How much does Bolt.new cost?
Bolt.new starts at $25/mo (freemium). Free (300K tokens/day, 1M/month), Pro $25/month with 10M tokens and rollover, Teams $30/member/month, Enterprise custom; 10% discount on yearly billing, but real-world complex builds often require token top-ups. Verified against bolt.new/pricing 2026-07.