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Iris Coleman
Feb 03, 2026 17:48

GitHub’s 2025 Octoverse reveals TypeScript added 1M+ contributors to claim #1 spot, as typed languages become essential for AI-assisted development workflows.

TypeScript has dethroned Python as the most-used programming language on GitHub, marking a significant shift in how developers are building software in the AI era. The language added more than one million contributors in 2025—the largest absolute growth of any language on the platform. GitHub’s latest Octoverse report, published February 3, 2026, shows this isn’t just a popularity contest. The rise of typed languages directly correlates with the explosion of AI-assisted coding, where type systems act as guardrails against the errors that AI-generated code frequently produces. Why Types Matter in AI Workflows Teams using AI coding assistants are discovering a painful truth: a significant portion of failures surface as type mismatches and broken contracts between components. TypeScript catches these problems before code hits production, reducing the review churn that comes with AI-generated pull requests. Python isn’t going anywhere, though. It grew by 48.78% year-over-year, adding roughly 850,000 contributors. JavaScript, by comparison, grew just 24.79% with approximately 427,000 new contributors—a stark slowdown for what was the dominant language for eight consecutive years through 2023. Python Dominates AI Infrastructure When examining AI-tagged repositories specifically, Python remains king. Nearly half of all new AI projects on GitHub as of August 2025 were built primarily in Python. Six of the ten fastest-growing open source projects by contributors focused directly on AI infrastructure or tooling. The nature of Python usage is evolving, however. The data suggests developers are moving from Jupyter notebook experimentation toward production-ready systems, with Python increasingly anchoring packaging, orchestration, and deployment pipelines. Speed Wins Developer Mindshare Among the fastest-growing projects, a clear pattern emerged: developers are ruthlessly…

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Filed under: News - @ February 4, 2026 6:23 pm