Three months ago, Claude Code held a 41% share of tracked AI-assisted commits. Today it's 58% — the largest quarterly jump we've measured for any tool.
Windsurf gained more active developers in March than any other tool — a 22% month-over-month jump. We look at what's driving the growth and which Cursor users are switching.
Among the top 100 developers by Pulse Score, over one-third run multiple AI tools in parallel. We map the most common tool pairings and ask whether multi-tool workflows produce more commits.
We profiled the top 10 developers by Pulse Score to understand what separates them: commit cadence, time-of-day patterns, tool preference, and repo diversity.