Publications

What we learn from running real coding agents on the repository panel: how the selection works, what a vendor should do about it, and what we ship.

Part IHow the selection works

Part IIWhat a vendor should do

AnnouncementsFrom the team

Research
September 3, 2026

Which tools do Claude Code, Codex and Cursor choose? We generated 16,893 sessions to find out.

We watched almost 17k sessions across different types of personas, with 1,163 prompt variations, 75 repositories and 3 coding agents (Claude Code, Codex, Cursor) actually implementing the solutions instead of just recommending one.

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