Langchainjs Engineering Benchmarks

LangChain · GitHub · Updated July 28, 2026

Langchainjs delivery benchmarks are based on 14 merged pull requests in the last 30 days (812 all-time), with 0.4 hours median cycle time, 0.1 hours median review time, and 5 active contributors. AI-related signals appear on 7.1% of recent work. PR volume is down -46% compared to the prior period.

Median Cycle Time
0.4h
PR open to merge
Median Review Time
0.1h
first review to approval
AI-Related Signals
7.1%
directional signal across recent PRs
Best Signal Fast Delivery
21m
Median cycle time of 21m
Watch Out Declining Cadence
-46%
PR volume down 46% vs prior period

Repo vs LangChain Average

-0.1pp
AI Signals
-0.2h
Cycle Time
-0.7h
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

1.1h
with signals
0.5h
baseline
113.7%
difference

PR Breakdown

1 with signals / 14 total PRs

Top AI Tools

claude 1

PR Type Breakdown

bugfix 8
chore 3
unknown 2
feature 1

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 29 minutes ago.

Updated daily from public GitHub pull requests.

See Your Team's Benchmarks

Get this analytics stack for your team

Connect GitHub and see cycle time, review bottlenecks, PR flow, and trend changes in minutes.

Connect Repos