Self-hosting AI code review costs up to $9,100/month, far exceeding per-seat tools

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A benchmark published by Augment Code tested ten open-source AI code review tools against a 450,000-file monorepo spanning Python, TypeScript, Java, and Go. The study estimates that self-hosting such a stack costs between $4,100 and $9,100 per month, factoring in GPU rates and 0.25–0.5 FTE of developer maintenance time. By contrast, commercial per-seat reviewers typically run $24 to $30 per developer monthly, making self-hosting a privacy or data-residency choice rather than a cost-saving one. None of the ten tools tested could detect cross-service breaking changes across languages, with all operating only at the file level; SonarQube Community ranked highest for low false positives. The research also flagged that key enterprise controls like audit logging, SSO, and RBAC are locked behind paid tiers in most free builds, and one tool silently fell back to hosted models during local inference testing.

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