A practical comparison of Greptile and a personal code review tool
Greptile is a code review tool that reads code changes in the wider context of the whole repository. It now offers 50 free each month, then charges $1 per review after that. Its approach appears to use multiple agents and to understand the repository structure, with the goal of lowering costs or improving review quality.
Setup requires downloading the Greptile , logging in, connecting GitHub, and responding to a request to train on the user’s data. The comparison tool, Manifold, is a personal code review system used inside Claude Code. It avoids a middle service by gathering local evidence and using a custom graph-based Git engine to understand the repository.
Manifold can review the current , selected files, or a chosen review scope. The test used GPT 5.4 on a medium setting through a Codex .
Key points
- Greptile offers 50 free per month, then charges $1 per review.
- Greptile uses agents and to understand a repository around a code change.
- Greptile setup involves login, GitHub linking, and a data training request.
- Manifold runs as a personal review tool inside Claude Code and gathers local evidence.
- The test used GPT 5.4 on a medium setting through a Codex .