LightRAG vs Pathway
No clear leader: LightRAG (61.7) and Pathway (57.4) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for rag tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
LightRAG
An open-source RAG system designed for high scalability that uses both knowledge graphs and vector search to retrieve information from large datasets with reduced computational overhead and faster response times.
Pathway
Pathway Live Data Framework is a scalable, open-source data processing platform that enables continuous, real-time data pipeline construction for AI applications. It provides unified stream and batch processing with built-in support for retrieval-augmented generation, agentic systems, and multimodal data handling.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Pathway
Free Community tier; Scale and Enterprise licenses available (specific pricing not published)
- CommunityFree
- 300+ API connectors to data sources
- Kafka, S3, PostgreSQL, cloud database connectors
- Sub-millisecond REST API endpoints
- Python and SQL programming interfaces
- Streaming and batch processing
- +7 more
- ScaleContact sales
- All Community features
- 20+ pre-built application templates
- Basic RAG pipelines, document processing, log monitoring
- Kafka ETL and social media analytics templates
- Business support with 1-business day response
- +2 more
- EnterpriseContact sales
- All Scale features
- Advanced connectors (Sharepoint, Delta Lake, Iceberg, BigQuery, Elasticsearch, QuestDB)
- MQTT/IoT and custom messaging connectors
- High-availability failover
- Kubernetes deployment
- +8 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- PostgreSQL
- Docling
LightRAG
- Neo4j
- MongoDB
- Milvus
- Qdrant
- Redis
- Memgraph
- MinerU
Pathway
- Kafka
- Apache Spark
- Amazon S3
- Redpanda
- Logstash
- Slack
- Google Pub/Sub
- Microsoft Sharepoint
- Delta Lake
- Apache Iceberg
- Google BigQuery
- Elasticsearch
- QuestDB
- MQTT
- OpenAI
- Ollama
- Mistral
- LiteLLM
- Sentence Transformers
LightRAG or Pathway: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.