Windmill Engineering Benchmarks

Windmill · GitHub · Updated June 3, 2026

Windmill delivery benchmarks are based on 301 merged pull requests in the last 30 days (1,744 all-time), with 1.9 hours median cycle time, 0.2 hours median review time, and 14 active contributors. AI-related signals appear on 71.8% of recent work. PR volume is up 51% compared to the prior period.

Median Cycle Time
1.9h
PR open to merge
Median Review Time
0.2h
first review to approval
AI-Related Signals
71.8%
directional signal across recent PRs
Best Signal Fast Delivery
1.9h
Median cycle time of 1.9h

Repo vs Windmill Average

+12.0pp
AI Signals
+0.7h
Cycle Time
+0.1h
Review Time

Delivery Trend and AI Signals

PR Backlog (Humans)

Excludes AI agents and automation accounts.

PR Backlog (AI Agents)

AI coding agents only.

Top AI Coding Agents

Most active AI coding agents in the last 90 days.

AI Signals vs Cycle Time

Correlation

strong negative
r = -0.73 (14 weeks)

Cycle Time by AI-Related Signals

13.7h
with signals
27.6h
baseline
-50.3%
difference

PR Breakdown

284 with signals / 304 total PRs

Top AI Tools

cubic 220
claude 158
chatgpt 5

PR Type Breakdown

bugfix 129
feature 89
chore 47
refactor 16
unknown 6
ci 6

Methodology

Metrics are computed from merged pull request data synced daily from GitHub. AI-related metrics are directional signals inferred from pull request activity patterns and heuristics. Summary metrics use a 30-day rolling window; trends use a 90-day window. Last updated 16 hours, 25 minutes ago.

Updated daily from public GitHub pull requests.

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