golang/go vs rust-lang/rust
Objective C-Rank™ telemetry comparison benchmarked across PR merge rates, reviewer latency, PR size sweet spots, maintainer availability, and newcomer hospitality.
External PR Merge Rate
Median Review Latency
90-Day Bus Factor
Verdict computed from external PR merge rate, median review latency, and 90-day bus factor; ties broken by recent commit (PR) velocity. View share card image
golang/go
The Go programming language
rust-lang/rust
Empowering everyone to build reliable and efficient software.
How PR Size Affects Merge Speed & Acceptance Odds
Maintainer Sweet Spot: PRs under 150 lines merge in ~14 hours (81% approval). Large PRs (>500 lines) take ~107 hours (29% approval). Keep your diff compact for rapid review.
Maintainer Sweet Spot: PRs under 150 lines merge in ~16 hours (73% approval). Large PRs (>500 lines) take ~115 hours (26% approval). Keep your diff compact for rapid review.
When Do Reviewers Actually Respond?
Where Should You Contribute?
Choose your contribution target based on your specific developer goals rather than vanity star counts.
rust-lang/rust
rust-lang/rust accepts 58.6% of external PRs versus 0.0% for golang/go. Lower rejection friction.
rust-lang/rust
rust-lang/rust averages ~< 1h to initial review versus ~22.2h for golang/go. Shorter waiting periods.
rust-lang/rust
rust-lang/rust boasts 524 active maintainers (vs 235), meaning your PR does not depend on a single overwhelmed person.