Best talk-codebase alternatives

Sourcegraph's enterprise AI coding assistant, built on Code Graph for deep multi-repo context. Moved to enterprise-only pricing in 2025.

AI pull request reviewer that builds a graph of your repo's files and dependencies, then reviews each PR against the whole codebase, not just the diff.

Open-source platform that turns a codebase, its history, tickets, and docs into a knowledge graph, with pre-built agents for debugging, testing, and review.