Kit Engineering Benchmarks

Svelte · GitHub · Updated September 12, 2026

Kit delivery benchmarks are based on 141 merged pull requests in the last 30 days (970 all-time), with 7.4 hours median cycle time, 1.3 hours median review time, and 16 active contributors. AI-related signals appear on 6.4% of recent work. PR volume is down -46% compared to the prior period.

Median Cycle Time
7.4h
PR open to merge
Median Review Time
1.3h
first review to approval
AI-Related Signals
6.4%
directional signal across recent PRs
Best Signal Fast Delivery
7.4h
Median cycle time of 7.4h
Watch Out Declining Cadence
-46%
PR volume down 46% vs prior period

Repo vs Svelte Average

+4.0pp
AI Signals
+0.1h
Cycle Time
-1.2h
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

moderate negative
r = -0.44 (13 weeks)

Cycle Time by AI-Related Signals

40.7h
with signals
32.8h
baseline
24.2%
difference

PR Breakdown

20 with signals / 154 total PRs

Top AI Tools

coderabbit 11
copilot 8

PR Type Breakdown

unknown 68
bugfix 24
chore 24
refactor 10
docs 8
feature 4

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 13 hours, 56 minutes ago.

Updated daily from public GitHub pull requests.

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