Context engine

A context engine for AI is a system that manages what information models can see at inference time. It handles ingestion, ranking, updating, conflict resolution, and context assembly — replacing ad-hoc retrieval pipelines with a unified system.

How a context engine works

01
Capture

Ingest data from any source: documents, chats, APIs, structured records.

02
Rank

Score by relevance, recency, and causal importance for the current query.

03
Compile

Assemble the minimal working set and write outcomes back.

Context engine vs. related concepts

RAGRAG retrieves similar text; a context engine builds the right working set.
Vector databaseA vector database is a retrieval primitive; a context engine manages the full context lifecycle.
GraphRAGGraphRAG adds relationship structure to retrieval; a context engine handles ingestion, updating, and assembly on top of that.

Cilow is a context engine for AI. Learn more →

When you need a context engine

AI agents running multi-step tasks where information changes over time
Applications that need to compound improvements across sessions
Systems where stale, conflicting, or noisy context causes errors
Cilow