Comparison

FastRAG vs Pathway

On the evidence we track, Pathway leads this comparison with a composite score of 57/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
FastRAG40
★Pathway57
Score
vioscaleAI score
FastRAG40 / 100medium · 54%
Pathway57 / 100low · 35%
Pricing
Free tier
FastRAG✓
Pathway✓
Model
Pathwayfreemium
Price level
FastRAGfree
Pathwaylow
Transparent
FastRAG✓
Pathway✗
Integrations
Count
FastRAG7
Pathway300
Adoption
Dependent repos
FastRAG0
Pathway–
Github stars
FastRAG1,786
Pathway–
Activity
Commits last 30d
FastRAG0
Pathway–
Release
Cadence days
FastRAG22
Pathway–
History
FastRAG10 items
Pathway–
License
Spdx
FastRAGApache-2.0
Pathway–
Language
Primary
FastRAGPython
Pathway–
Market
Content
Faq
FastRAG6 items
Pathway7 items

Capabilities

Feature-by-feature on the axes that matter for rag tools. “-” means undocumented, not absent.

Capabilities
Hybrid retrieval
FastRAG-
Pathway✓
Reranking integration
FastRAG-
Pathway-
Multi hop agentic retrieval
FastRAG-
Pathway✓
Embedding provider agnostic
FastRAG✓
Pathway✓
LLM provider agnostic
FastRAG✓
Pathway✓
Built in rag eval metrics
FastRAG-
Pathway-
Citation attribution
FastRAG-
Pathway-
Multimodal rag
FastRAG✓
Pathway✓
Managed ingestion pipeline
FastRAG-
Pathway✓
Open source
FastRAG✓
Pathway✓

What each one is

The product in its own terms, so the numbers below have context.

FastRAG

An open-source Python toolkit that combines document retrieval with large language models to create question-answering and generation systems. Provides optimized components and supports multiple inference backends including Intel accelerators.

Independently observed

Pathway

Leader

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

FastRAG

Open sourceFree tier
as of verify ↗

Pathway

Leader
HybridFree tier

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
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
FastRAG✗
Pathway✓
CLI
FastRAG✓
Pathway✓
Deployment
Cloud / SaaS
FastRAG✗
Pathway✓
Self-hosted
FastRAG✓
Pathway✓
On-premise
FastRAG✓
Pathway✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • Elasticsearch

FastRAG

10 total - 9 not shared
  • Haystack
  • HuggingFace
  • Elastic
  • Qdrant
  • OpenVINO
  • LlamaCpp
  • ONNX Runtime
  • Llama CPP
  • Intel Gaudi
Independently observed

Pathway

Leader
21 total - 20 not shared
  • Kafka
  • Apache Spark
  • Amazon S3
  • PostgreSQL
  • Redpanda
  • Logstash
  • Slack
  • Google Pub/Sub
  • Microsoft Sharepoint
  • Delta Lake
  • Apache Iceberg
  • Google BigQuery
  • QuestDB
  • MQTT
  • OpenAI
  • Ollama
  • Mistral
  • LiteLLM
  • Sentence Transformers
  • Docling
Independently observed
Still deciding?

FastRAG 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.