TypeScript Surges Past JavaScript and Python as GitHub's Top Language with 66% Growth Fueled by AI Development Tools

Nov 15, 2025
The GitHub Blog
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Summary

TypeScript rockets to become GitHub's most-used programming language with explosive 66% growth, overtaking JavaScript and Python as AI development tools favor statically typed languages for better code validation and safety.

Key Points

  • TypeScript overtakes JavaScript and Python as GitHub's most-used language with 66% year-over-year growth, driven by AI tools performing better with statically typed languages that provide safety nets for code validation
  • AI assistance creates a feedback loop where developers increasingly choose languages based on AI compatibility rather than personal preference, with models excelling at popular languages like TypeScript, Python, Java, and Go
  • Shell scripting sees 206% growth in AI-generated projects as developers use AI to automate painful but necessary coding tasks, while enterprises shift focus from adopting AI to managing its second-order effects on development workflows

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