| Unblocked | Codebase Q&A and a context layer for AI agents across code, conversations, issues and docs (source); also AI code review and the Unblocked Code agent | Web, Mac app, Slack, Microsoft Teams, MCP, CLI, API (source) | Says “every answer ships with source links” | $29/user/mo annual or $35 monthly; Enterprise custom; 21-day free trial (source) | On-prem options on Enterprise |
| Enhanciar | Answers “why is this code like this?” from code, PRs, review comments, Slack and docs; drafts the follow-up (ticket, reply, doc) for you to approve; reviews pull requests on repos you turn it on for | Web, Slack, MCP (Claude Code, Cursor) | Yes: file:line plus the PR, review comment or Slack message | $35 per person/mo (cancel anytime), or $315 per person/year paid once, bring your own LLM key, $0 inference markup. Open sign-up, paid plans | No; hosted |
| Glean | Company-wide enterprise search and assistant; its GitHub connector indexes code, PRs, reviews and comments (source) | Web, Slack, MCP (docs) | References source documents, including PRs | Not published; sales-led (source) | Not stated on pricing page |
| Sourcegraph (Cody) | Enterprise code search, Deep Search and Cody; Cody Free/Pro ended July 2025 (source) | Web, IDE, MCP server, API, CLI | Cites code; built around search, not PR discussions | Enterprise from $16,000/yr minimum (source) | Yes: self-hosted or single-tenant cloud |
| Greptile | Mainly AI pull-request review now; codebase context over MCP (source) | PR comments, MCP (Cursor, Claude Code, VS Code, Codex) | Reviews PRs; not a history-of-decisions tool | Free Starter (1 dev, 50 credits a month); Pro $1 per credit, no seat fees; Enterprise custom (source) | Enterprise only |
| Swimm | Code-coupled docs; now sells modernization of large legacy estates as a delivered service (source) | IDE (VS Code, JetBrains), web, feeds AI tools via MCP (docs) | Checks docs against code on PRs; not a PR-history Q&A tool | Not public; the old pricing page now opens a “How it works” page that offers a scoping call (source) | Yes: on-prem and air-gapped |