JetBrains: Most Popular AI Tools Among Developers (Feb 2026)

Summary

JetBrains' February 2026 report on developer AI tool adoption shows 85% of developers now use AI assistants regularly, with Microsoft reporting that AI writes approximately 30% of their code. IDE-native assistants (Cursor, GitHub Copilot, Windsurf, JetBrains AI Assistant) dominate, alongside terminal/CLI agents such as Claude Code and Codex. VS Code's early 2026 release introduced multi-agent support (Claude and Codex agents alongside Copilot in a unified Agent Sessions view). Capabilities in 20