Comparison
FeatureFactory vs Greptile
Greptile is one of the best codebase-aware AI reviewers. FeatureFactory adds durable AI-vs-human quality measurement and transparent pricing around review.
The short version
Greptile is a genuinely strong, codebase-aware AI code reviewer - arguably the sharpest focused reviewer in the space, with full-repo context and custom rules. Its trade-offs are that per-review credit pricing can get unpredictable at scale and it is review-only. FeatureFactory offers review plus line-level AI-vs-human authorship, durable quality scoring, the closed planning-to-measurement loop, and transparent pricing.
Why teams pick FeatureFactory
Line-level AI-vs-human attribution
Greptile reviews the diff in front of it. FeatureFactory goes further and labels authorship at the line level - what the AI actually wrote versus what a human did - then scores whether that AI code held up over time, not just at review.
The closed loop, not a single gate
Review is one checkpoint. FeatureFactory connects product signal to product plan to build to measurement and back, so a review finding becomes durable quality data you can act on across releases - not a comment that scrolls off the PR.
Transparent, predictable pricing
Per-review credit pricing is simple at low volume but can get hard to forecast as PR throughput grows. FeatureFactory publishes its pricing up front so cost stays predictable as your team and merge rate scale.
Developer-led, and broader than review
Both tools install in minutes and start on real PRs - Greptile is genuinely strong here. FeatureFactory adds planning and measurement around review, so the same context that grades a diff also plans the next one and tracks whether it shipped value.