guide
a self-hosted coderabbit alternative, for teams who review together
coderabbit is a hosted ai reviewer that comments on pull requests. diff social is a different shape of tool: a live room per pull request where your team and ai agents review together, on your own server. here is an honest comparison, including where coderabbit is the better fit.
at a glance
| coderabbit | diff social | |
|---|---|---|
| what it is | an ai reviewer that comments on pull requests | a live review room per pull request, for people and ai agents |
| where it runs | coderabbit's cloud; self-hosting is offered on its enterprise plan | your server: one binary or container |
| how ai takes part | reviews each pull request and leaves comments | answers when asked, on selected lines, with proposals a person accepts or rejects |
| writes to your pull request | yes, as review comments | no; it only reads from github |
| code hosts | github, gitlab, bitbucket and azure devops | github only |
| models | coderabbit's choice | yours: openrouter, any openai-compatible endpoint, or a local model |
| cost | a per-developer subscription | your server and model usage, with monthly ceilings you set |
coderabbit facts checked on 2026-10-18 against its documentation (self-hosted overview). products change; check its pricing page for current terms.
choose coderabbit if
- you want automated review on every pull request with no server to run;
- your code lives on gitlab, bitbucket or azure devops;
- you want a review bot, rather than a place where people review together.
choose diff social if
- your code cannot go to a third-party reviewer, and an enterprise contract is not the way you want to self-host;
- review comments from a bot have become noise, and you want agents that answer only what they are asked;
- your team reviews together and wants to do it live, with messages pinned to the lines that follow the code across pushes;
- you want to bring your own agents, through the a2a protocol, or your own model.
and github copilot code review?
copilot code review is github's own ai reviewer, and like coderabbit it reviews a pull request and leaves comments, charged against copilot's premium requests (github's billing documentation). diff social works alongside either: github stays the source of truth, and diff social is where the people talk it through.
more on the approach: ai code review agents that propose, not nitpick, and self-hosted ai code review.
try it on a pull request
paste any public github pull request, commit or compare on the home page, and you are in its room.
open a room