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Development Tools · head to head

GitHub Copilot vs ESLint

GitHub Copilot logo

GitHub Copilot

Development Tools

AI pair programmer for developers

From
$10/month
Rated
-
ESLint logo

ESLint

Development Tools

Find and fix problems in JavaScript code

From
Free
Rated
-

The short version

  • Only ESLint has a free tier, so it costs nothing to try first.
  • Each has a real cost: GitHub Copilot agent mode lacks deep tool orchestration and iterative execution compared to specialized agentic tools; ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome

Where they differ

Only the attributes on which GitHub Copilot and ESLint actually diverge.

Attributes where GitHub Copilot and ESLint differ
AttributeGitHub CopilotESLint
Starting price$10/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, Windows, macOS, LinuxBrowser-based JavaScript, Node.js, Any JavaScript environment
Founded20082019

Identical on both: user rating (Not yet rated), category (Development 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 GitHub Copilot

  • Code completion
  • Code generation
  • Chat interface
  • Multi-language support
  • VS Code
  • JetBrains IDEs
  • Neovim
  • Visual Studio

Only in ESLint

Nothing recorded that GitHub Copilot does not also cover.

What people use each for

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

GitHub Copilot

  • ai tools managementnot ESLint
  • Workflow automationnot ESLint
  • Reportingnot ESLint

ESLint

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

Where each one falls short

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

GitHub Copilot

  • Agent mode lacks deep tool orchestration and iterative execution compared to specialized agentic tools
  • Suggestions for niche or specialized programming languages are less accurate due to limited training data
  • Less effective with non-English prompts or grammatically incorrect developer instructions
  • Free tier severely limited to 2,000 completions and 50 chat requests per month

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

Pricing, plan by plan

GitHub Copilot

$10/month
  • Individual$10/month
    • Code completions
    • Chat in IDE
    • CLI assistance
  • Business$19/month
    • Organization management
    • Policy controls
    • Audit logs

ESLint

Free

No published plan breakdown. See the ESLint review.

Which should you pick?

Choose GitHub Copilot if

  • You need code completion.
  • You work on Web, Windows, macOS, Linux.
  • You also want code generation.

Choose ESLint if

  • You want to start without paying.
  • You work on Browser-based JavaScript, Node.js, Any JavaScript environment.

Questions people ask

Is GitHub Copilot or ESLint better?
Neither clearly leads. GitHub Copilot starts at $10/month and ESLint at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GitHub Copilot or ESLint?
ESLint has a free tier; the other does not. Paid plans start at $10/month for GitHub Copilot and Free for ESLint.
Does GitHub Copilot or ESLint run on more platforms?
GitHub Copilot runs on Web, Windows, macOS, Linux. ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment.
Can I use ESLint for free?
Yes. ESLint has a free tier, so you can try it without paying. GitHub Copilot starts at $10/month.
What is GitHub Copilot best used for?
GitHub Copilot is most often used for ai tools management, workflow automation, reporting. Of those, ai tools management and workflow automation are not what ESLint is typically brought in for.
What can GitHub Copilot do that ESLint cannot?
GitHub Copilot covers Code completion, Code generation, Chat interface, Multi-language support.

Answered from the vendors’ own pages

GitHub Copilot: Does GitHub Copilot have a free tier?

Yes. GitHub Copilot Free offers 2,000 code completions and 50 chat requests per month at no cost with no credit card required. Students and open-source maintainers get free Pro access.

Source
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
GitHub Copilot: What IDEs and editors are supported?

GitHub Copilot works in VS Code, Visual Studio, JetBrains IDEs (IntelliJ, PyCharm, WebStorm), Vim, Neovim, and Azure Data Studio with extensions providing code suggestions and chat capabilities.

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
GitHub Copilot: What programming languages does Copilot support?

Copilot supports more than 10 core languages including JavaScript, TypeScript, Python, Java, C#, Go, and Rust. Performance is strongest for these popular languages with extensive open-source training data.

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
GitHub Copilot: How does the free tier compare to paid plans?

Free tier limits completions and chat to 2,000 and 50 per month. Pro ($10/month) offers unlimited completions, while Pro+ ($39/month) adds access to frontier AI models and agent mode for autonomous multi-file edits.

Source

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