Glean vs GitHub
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $150M Series F at a $7.25B valuation in June 2025, surpassing $100M ARR and powering 100M+ AI agent actions annually across Fortune 500 enterprises integrated with 100+ SaaS apps including Salesforce, Slack, and Microsoft 365.
About
Glean is an enterprise AI search and knowledge discovery platform that connects to all company data sources — Google Drive, Confluence, Slack, Salesforce, GitHub, and hundreds more — to provide a unified, AI-powered search experience for employees. Founded in 2019 by former Google and Facebook engineers and headquartered in Palo Alto, Glean builds on transformer-based language models to understand query intent and surface relevant information regardless of which application it lives in.
Microsoft (MSFT)-owned code hosting platform with 100M+ developers and 420M+ repositories; GitHub Copilot AI coding assistant competing with Cursor and GitLab for developer platform and AI-assisted development.
About
GitHub is the world's largest code hosting and collaboration platform — owned by Microsoft (NASDAQ: MSFT) since its 2018 acquisition for $7.5 billion — hosting 420+ million public and private code repositories and serving 100+ million developers who use Git-based version control, pull request code review, issue tracking, project management, and CI/CD automation (GitHub Actions). GitHub is the social network of software development: open-source projects are discovered, contributed to, and forked on GitHub, making it the infrastructure layer of the global software ecosystem.
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