Side-by-side comparison of AI visibility scores, market position, and capabilities
Tallinn Estonia GitHub Actions runner platform using gaming CPUs for 2x faster CI at lower cost; YC W23 $500K with $330K ARR competing with Depot and Blacksmith for CI/CD performance optimization infrastructure.
BuildJet is a Tallinn, Estonia-based continuous integration (CI) performance platform — backed by Y Combinator (W23) with $500,000 raised from YC in 2023 — providing developer teams with GitHub Actions runners powered by gaming CPUs (AMD Ryzen and Intel Core processors optimized for high single-core clock speeds) that execute CI/CD builds 2x faster and at lower cost than GitHub's standard hosted runners, enabling companies to reduce their CI infrastructure spend and development cycle time simultaneously. Founded in 2022 by Adam Shiervani and Lian Duan and generating $330,000 in annual recurring revenue as of September 2025 with a 3-person team, BuildJet serves the developer community's need for faster and more affordable GitHub Actions compute.
$2.3B raised at $29.3B valuation; $2B+ ARR (Q1 2026); used by 50%+ of Fortune 500. Dominant commercial AI coding tool; built on VSCode fork with native agent mode. Competing with GitHub Copilot, Windsurf, and Lovable in the vibe-coding wave.
Cursor is an AI-powered code editor built on Visual Studio Code that integrates advanced language models to provide intelligent code completion, generation, debugging, and refactoring capabilities directly in the development workflow. The company serves software developers seeking to accelerate coding productivity through AI assistance while maintaining full control and understanding of their code. Cursor delivers value through contextual code suggestions that understand entire codebases, natural language commands to modify code, inline AI chat for explaining complex code, and a familiar VS Code interface that requires minimal learning curve for existing developers.
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