Anthropic Cookbook Engineering Benchmarks

Anthropic · GitHub · Updated July 28, 2026

Anthropic Cookbook delivery benchmarks are based on 8 merged pull requests in the last 30 days (92 all-time), with 5.8 hours median cycle time, 0.1 hours median review time, and 5 active contributors. AI-related signals appear on 12.5% of recent work. PR volume is up 167% compared to the prior period.

Median Cycle Time
5.8h
PR open to merge
Median Review Time
0.1h
first review to approval
AI-Related Signals
12.5%
directional signal across recent PRs
Best Signal Growing Cadence
+167%
PR volume up 167% vs prior period

Repo vs Anthropic Average

-7.8pp
AI Signals
+4.2h
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.

Cycle Time by AI-Related Signals

94.2h
with signals
16.7h
baseline
462.8%
difference

PR Breakdown

1 with signals / 8 total PRs

Top AI Tools

claude 1

PR Type Breakdown

feature 3
unknown 2
ci 1
bugfix 1
docs 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.

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