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Developer Tools · head to head

ESLint vs Sweep

ESLint logo

ESLint

Developer Tools

Find and fix problems in JavaScript code

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: ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome; Sweep limited to JetBrains IDEs only, not available for VS Code or other editors

Where they differ

Only the attributes on which ESLint and Sweep actually diverge.

Attributes where ESLint and Sweep differ
AttributeESLintSweep
Pricing modelUnknownFreemium with paid tiers
PlatformsBrowser-based JavaScript, Node.js, Any JavaScript environmentJetBrains IDEs
Founded20192023

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

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 ESLint

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.

ESLint

  • Statically analysing JavaScript and JSX to find problems before runtimenot Sweep
  • Automatically fixing issues with syntax-aware rewritesnot Sweep
  • Enforcing a consistent code style across a teamnot Sweep
  • Running as a CI step to block non-conforming codenot Sweep
  • Writing custom rules for project-specific conventionsnot Sweep

Sweep

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

Where each one falls short

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

ESLint

  • Slow performance on large codebases compared to newer tools like Oxlint and Biome
  • Complexity in configuration from scratch, particularly for TypeScript support
  • Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features

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

ESLint

Free

No published plan breakdown. See the ESLint 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 ESLint if

  • You want to start without paying.
  • You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
ESLint 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 ESLint or Sweep better?
Neither clearly leads. ESLint 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, ESLint or Sweep?
ESLint starts at Free and Sweep at Free.
Does ESLint or Sweep run on more platforms?
ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. Sweep runs on JetBrains IDEs.
Can I use ESLint for free?
Both have a free tier, so you can try either at no cost before committing.
What is ESLint best used for?
ESLint is most often used for statically analysing javascript and jsx to find problems before runtime, automatically fixing issues with syntax-aware rewrites, enforcing a consistent code style across a team, running as a ci step to block non-conforming code. Of those, statically analysing javascript and jsx to find problems before runtime and automatically fixing issues with syntax-aware rewrites are not what Sweep is typically brought in for.
What can ESLint do that Sweep cannot?
Sweep covers Autocomplete, AI Agent, Full codebase indexing, Code review functionality.

Answered from the vendors’ own pages

ESLint: Does ESLint automatically fix code issues?

Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.

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
ESLint: How much does ESLint cost?

ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.

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
ESLint: Can I write custom ESLint rules?

Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.

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
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