Vercel Engineering Benchmarks

Vercel · GitHub · Updated June 3, 2026

Vercel delivery benchmarks are based on 144 merged pull requests in the last 30 days (931 all-time), with 16.9 hours median cycle time, 1.7 hours median review time, and 44 active contributors. AI-related signals appear on 20.1% of recent work. PR volume is up 5% compared to the prior period.

Median Cycle Time
16.9h
PR open to merge
Median Review Time
1.7h
first review to approval
AI-Related Signals
20.1%
directional signal across recent PRs
Best Signal Fast Delivery
16.9h
Median cycle time of 16.9h

Repo vs Vercel Average

+12.7pp
AI Signals
+8.8h
Cycle Time
+1.0h
Review Time

Delivery Trend and AI Signals

PR Backlog (Humans)

Excludes AI agents and automation accounts.

PR Backlog (AI Agents)

AI coding agents only.

Cycle Time by AI-Related Signals

25.5h
with signals
52.0h
baseline
-51.1%
difference

PR Breakdown

53 with signals / 155 total PRs

Top AI Tools

claude 32
cursor 19
copilot 1

PR Type Breakdown

feature 68
bugfix 36
refactor 12
chore 9
ci 8
unknown 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 17 hours, 33 minutes ago.

Updated daily from public GitHub pull requests.

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