ScanDrix vs Greptile
Why compiler-level AST graphs outperform vector embeddings when reviewing mission-critical pull requests.
| Capability | ScanDrix | Greptile |
|---|---|---|
| Context Retrieval Model | Deterministic compiler AST graph with full import & call edge traversal | Vector embeddings & RAG similarity search over chunked codebase text |
| Hallucination Prevention | Mathematical proof of taint path reachability before generating review | Probabilistic LLM reasoning without structural compiler verification |
| Custom Rules & Policies | Declarative Drixy rules with Dry Run testing against historical repository PRs | Natural language prompts without deterministic syntax matching |
| Cross-File Taint Tracking | Tracks untrusted user input from HTTP handlers to SQL/exec sinks across files | Textual similarity retrieval without symbolic dataflow tracking |
| Auditability & Traceability | Every finding links to exact syntax node, line numbers & AST rule ID | Black-box AI output based on similarity ranking |
| VPC & Self-Hosted Deployment | Air-gapped on AWS, Azure, GCP, or K8s with Bring-Your-Own-LLM routing | Hosted cloud SaaS relying on third-party vector databases |
AST Graphs > Embeddings
Vector search checks text similarity. Compilers check real logic. ScanDrix parses real syntax trees so no cross-file import or interface is overlooked.
Deterministic Drixy Rules
Write rules in declarative YAML and test them on 100 historical PRs in Dry Run mode before enforcing them across your engineering team.
Verified Taint Reachability
ScanDrix mathematically verifies whether an untrusted parameter can reach an SQL or command sink before posting an alert, eliminating reviewer fatigue.
Architectural comparison from public product information — not measured runs, no scores. Something stale? Tell us via the contact page.
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