Windmill Engineering Benchmarks

Windmill · GitHub · Updated September 11, 2026

Windmill delivery benchmarks are based on 309 merged pull requests in the last 30 days (3,051 all-time), with 4.7 hours median cycle time, 0.1 hours median review time, and 9 active contributors. AI-related signals appear on 61.8% of recent work. PR volume is down -35% compared to the prior period.

Median Cycle Time
4.7h
PR open to merge
Median Review Time
0.1h
first review to approval
AI-Related Signals
61.8%
directional signal across recent PRs
Best Signal Fast Delivery
4.7h
Median cycle time of 4.7h
Watch Out Declining Cadence
-35%
PR volume down 35% vs prior period

Repo vs Windmill Average

-2.4pp
AI Signals
+3.0h
Cycle Time
0.0h
Review Time

Delivery Trend and AI Signals

PR Backlog (Humans)

Excludes AI agents and automation accounts.

PR Backlog (AI Agents)

AI coding agents only.

AI Signals vs Cycle Time

Correlation

strong negative
r = -0.66 (14 weeks)

Cycle Time by AI-Related Signals

17.6h
with signals
27.8h
baseline
-36.9%
difference

PR Breakdown

227 with signals / 323 total PRs

Top AI Tools

cubic 115
claude 80
claude_code 71
chatgpt 6
cursor 1

PR Type Breakdown

unknown 198
bugfix 56
feature 34
chore 15
test 2
refactor 2

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 9 hours, 47 minutes ago.

Updated daily from public GitHub pull requests.

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