List your tool

Head to head · 2026

Bolt.new vs Runcell

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Bolt.new

Builds and runs a full app live in the browser, no server needed

4.3$18/mo

Visit Bolt.new (opens Bolt.new in a new tab)

Runcell

AI agent that works inside Jupyter notebooks, executing and debugging cells

3.9Free

Visit Runcell (opens Runcell in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Runcell does not list a price

  • Free plan

    Tie

    Both have one

  • Higher rating

    Bolt.new

    4.3 against 3.9

  • Same job?

    Yes

    Both are Coding tools

Side by side

Compared onBolt.newRuncell
Our rating4.3Better3.9
Starts at$18/moFree
Free planYesYes
CategoryCodingCoding
Plans
  • Free$0
  • Pro$25/mo, or $18/mo billed yearly
  • Teams$30 per member/mo, or $27 billed yearly
  • EnterpriseQuote only
Free
Key features
  • In-browser app execution via WebContainers, no server required
  • Live, immediate feedback as an app is generated and adjusted
  • One-click deployment to a live URL
  • Built on StackBlitz's established in-browser development technology
  • Free tier for limited monthly usage
  • Agent operating inside the Jupyter interface
  • Python code written and executed cell by cell
  • Debugging against real execution output
  • Explanation of analysis results in context
  • Iterative correction based on data it has seen
Pros
  • Immediate in-browser execution shows a real, running app, not just code
  • Built on proven WebContainer technology from StackBlitz
  • Tight feedback loop between prompting and seeing results
  • Executes cells rather than returning code to paste
  • Iterates against real data instead of guessing at shape
  • Lives in the notebook analysts already use
Cons
  • In-browser execution has limits compared to a full server environment
  • Free tier's monthly usage cap is limiting for regular use
  • Best suited to web app prototypes rather than deeply custom backend systems
  • Autonomous execution needs guardrails on destructive operations
  • Credential scope in connected notebooks needs review
CompanyStackBlitz, founded 2024Runcell

Prices come from each vendor's pricing page, last checked 20260813. Check the vendor before you buy.

FAQ

Questions people ask

Is Bolt.new better than Runcell?

In our reviews Bolt.new scores 4.3 and Runcell scores 3.9. The better pick depends on the job. Bolt.new: Builds and runs a full app live in the browser, no server needed. Runcell: AI agent that works inside Jupyter notebooks, executing and debugging cells.

Which is cheaper, Bolt.new or Runcell?

Bolt.new: from $18/mo. Runcell: free.

Do Bolt.new and Runcell have free plans?

Yes, both have a free plan.

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