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Software Development · head to head

Bun vs Sweep

Bun logo

Bun

Software Development

JavaScript runtime, bundler, test runner and package manager unified in single toolchain

From
Free
Rated
-
Full reviewWebsite
Sweep logo

Sweep

Developer Tools

AI coding assistant for JetBrains IDEs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Bun linux requires kernel 5.6 or higher (5.1 minimum but with compatibility issues); older systems not supported; Sweep limited to JetBrains IDEs only, not available for VS Code or other editors

Where they differ

Only the attributes on which Bun and Sweep actually diverge.

Attributes where Bun and Sweep differ
AttributeBunSweep
Pricing modelopen-sourceFreemium with paid tiers
PlatformsmacOS, Windows, Linux, FreeBSD, AndroidJetBrains IDEs
CategorySoftware DevelopmentDeveloper Tools
FoundedUnknown2023

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Bun

Nothing recorded that Sweep does not also cover.

Only in Sweep

  • Autocomplete
  • AI Agent
  • Full codebase indexing
  • Code review functionality
  • Multi-IDE support
  • GitHub integration

What people use each for

The jobs each tool is most often brought in to do.

Bun

  • High-performance JavaScript services prioritising startup time and memory efficiencynot Sweep
  • Single-file executable deployment without Node runtime dependenciesnot Sweep
  • Monorepo management with workspace supportnot Sweep
  • Full-stack development with unified toolchainnot Sweep
  • Systems programming and shell scripting with JavaScriptnot Sweep

Sweep

  • Accelerating code completion for JetBrains developersnot Bun
  • Automating refactoring tasks across codebasesnot Bun
  • Handling bug fixes with full repository contextnot Bun
  • Code review and quality assurancenot Bun

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Bun

  • Linux requires kernel 5.6 or higher (5.1 minimum but with compatibility issues); older systems not supported
  • Native Node.js addons not supported directly; requires FFI workarounds for C libraries
  • Ecosystem less mature than Node.js; fewer third-party packages optimised for Bun
  • Windows support newer and less mature than Linux/macOS; occasional edge cases

Sweep

  • Limited to JetBrains IDEs only, not available for VS Code or other editors
  • Free tier limited to 1,000 autocompletes per month
  • API credit consumption varies by feature usage
  • Performance dependent on codebase size and indexing quality

Pricing, plan by plan

Bun

Free

No published plan breakdown. See the Bun review.

Sweep

Free
  • FreeFree
    • 1,000 autocompletes
    • 5 USD API credits included
    • All JetBrains IDEs supported
  • Pro$20/month
    • Unlimited autocomplete
    • Higher API credit allocation
    • Priority support
  • Ultra$60/month
    • Unlimited autocomplete
    • Maximum API credit allocation
    • Extended context window

Which should you pick?

Choose Bun if

  • You want to start without paying.
  • You work on macOS, Windows, Linux, FreeBSD, Android.
Bun review

Choose Sweep if

  • You need autocomplete.
  • You want to start without paying.
  • You work on JetBrains IDEs.
  • You also want ai agent.
Sweep review

Questions people ask

Is Bun or Sweep better?
Neither clearly leads. Bun starts at Free and Sweep at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bun or Sweep?
Bun starts at Free and Sweep at Free.
Does Bun or Sweep run on more platforms?
Bun runs on macOS, Windows, Linux, FreeBSD, Android. Sweep runs on JetBrains IDEs.
Can I use Bun for free?
Both have a free tier, so you can try either at no cost before committing.
What is Bun best used for?
Bun is most often used for high-performance javascript services prioritising startup time and memory efficiency, single-file executable deployment without node runtime dependencies, monorepo management with workspace support, full-stack development with unified toolchain. Of those, high-performance javascript services prioritising startup time and memory efficiency and single-file executable deployment without node runtime dependencies are not what Sweep is typically brought in for.
What can Bun do that Sweep cannot?
Sweep covers Autocomplete, AI Agent, Full codebase indexing, Code review functionality.

Answered from the vendors’ own pages

Bun: Is Bun free?

Yes, Bun is free and open-source software; no pricing tiers or subscription costs exist for the core runtime and tooling.

Source
Sweep: What programming languages does Sweep support?

Sweep works with all programming languages supported by JetBrains IDEs, including Python, Java, JavaScript, Go, Kotlin, C++, and many others.

Source
Bun: How much does Bun cost for production use?

Bun itself has no production licensing costs; you only pay for infrastructure (servers, compute) to run applications built with Bun.

Source
Sweep: Does Sweep retain my code data?

No. Sweep is SOC 2 Type II certified with zero data retention. Code is processed for suggestions but not stored.

Source
Bun: Does Bun offer commercial support or service tiers?

Bun's free open-source model does not include published commercial support tiers; enterprise support arrangements would require direct contact with Anthropic.

Source
Sweep: Can I cancel my Sweep subscription anytime?

Yes. You can cancel your subscription at any time from your account settings with no long-term commitments or cancellation fees.

Source
Bun: Can I use Bun in production without paying?

Yes, Bun is free to use in production since it is open-source software with no licensing fees, though you must cover your own operational costs.

Source
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