Development Tools · head to head
ESLint vs GitHub Copilot
GitHub Copilot
Development Tools
AI pair programmer for developers
- From
- $10/month
- Rated
- -
The short version
- Only ESLint has a free tier, so it costs nothing to try first.
- Each has a real cost: ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome; GitHub Copilot agent mode lacks deep tool orchestration and iterative execution compared to specialized agentic tools
Where they differ
Only the attributes on which ESLint and GitHub Copilot actually diverge.
| Attribute | ESLint | GitHub Copilot |
|---|---|---|
| Starting price | Free | $10/month |
| Pricing model | Unknown | subscription |
| Free tier | Yes | No |
| Platforms | Browser-based JavaScript, Node.js, Any JavaScript environment | Web, Windows, macOS, Linux |
| Founded | 2019 | 2008 |
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 ESLint
Nothing recorded that GitHub Copilot does not also cover.
Only in GitHub Copilot
- Code completion
- Code generation
- Chat interface
- Multi-language support
- VS Code
- JetBrains IDEs
- Neovim
- Visual Studio
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 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
GitHub Copilot
- ai tools managementnot ESLint
- Workflow automationnot ESLint
- Reportingnot 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
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
Pricing, plan by plan
ESLint
FreeNo published plan breakdown. See the ESLint review.
GitHub Copilot
$10/month- Individual$10/month
- Code completions
- Chat in IDE
- CLI assistance
- Business$19/month
- Organization management
- Policy controls
- Audit logs
Which should you pick?
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Choose GitHub Copilot if
- You need code completion.
- You work on Web, Windows, macOS, Linux.
- You also want code generation.
Questions people ask
- Is ESLint or GitHub Copilot better?
- Neither clearly leads. ESLint starts at Free and GitHub Copilot at $10/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ESLint or GitHub Copilot?
- ESLint has a free tier; the other does not. Paid plans start at Free for ESLint and $10/month for GitHub Copilot.
- Does ESLint or GitHub Copilot run on more platforms?
- ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. GitHub Copilot runs on Web, Windows, macOS, Linux.
- 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 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 GitHub Copilot is typically brought in for.
- What can ESLint do that GitHub Copilot cannot?
- GitHub Copilot covers Code completion, Code generation, Chat interface, Multi-language support.
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.
SourceGitHub 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.
SourceESLint: 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.
SourceGitHub 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.
SourceESLint: 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.
SourceGitHub 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.
SourceGitHub 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