FastRAG vs Pathway
On the evidence we track, Pathway leads this comparison with a composite score of 59/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
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.
FastRAG
A toolkit for researchers and developers to construct and optimize RAG applications. It provides streamlined components for retrieval and generation, with support for multiple LLM backends and hardware accelerators, and maintains compatibility with the Haystack framework.
Pathway
LeaderPathway 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
LeaderFree 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.
FastRAG
- Haystack
- HuggingFace
- Elastic
- Qdrant
- OpenVINO
- LlamaCpp
Pathway
Leader- Kafka
- Apache Spark
- Amazon S3
- PostgreSQL
- Redpanda
- Logstash
- Slack
- Google Pub/Sub
- Microsoft Sharepoint
- Delta Lake
- Apache Iceberg
- Google BigQuery
- Elasticsearch
- QuestDB
- MQTT
- OpenAI
- Ollama
- Mistral
- LiteLLM
- Sentence Transformers
- Docling
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.