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ast-grep vs Kythe

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ast-grep

7.0#3 in code search toolsFree plan
Free planWebAPIExtensionLinux
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Kythe

5.2#29 in code search tools
APILinuxmacOSSelf-hosted
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What both publish

Factast-grepKythe
IntegrationsThe documentation describes editor integrations, including a VS Code extension and language server support for editors such as Vim and Neovim.Examples cover extraction with Bazel, CMake, Gradle, make, and compile_commands.json workflows.
Purposeast-grep is a fast, polyglot tool for structural code search, linting, and rewriting at scale.Kythe is a pluggable, mostly language-agnostic ecosystem for building tools that work with code.

ast-grep plans

  • ast-grepFree

Kythe plans

No prices published.

Pick ast-grep if…

It suits developers who need syntax-aware search, linting, or bulk code changes across supported languages. Teams wanting advanced static-analysis information or one rule spanning multiple languages should note its stated limits.

Pick Kythe if…

You want what its maker publishes above — check its page for the details.

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