Keywords AI
Carbon (Perplexity) vs R2R
Compare Carbon (Perplexity) and R2R side by side. Both are tools in the RAG Frameworks category.
Quick Comparison
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| Category | RAG Frameworks | RAG Frameworks |
| Pricing | usage-based | open-source |
| Best For | B2B startups needing data ingestion from multiple sources | Developers wanting a production-ready RAG system |
| Website | carbon.ai | sciphi.ai |
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About Carbon (Perplexity)
Carbon, acquired by Perplexity in December 2024, provided pre-built data connectors for ingesting unstructured data from 25+ sources into LLM applications. Its managed API was wound down in March 2025, with its technology now integrated into Perplexity's enterprise data connectivity stack. Carbon's connectors supported Google Drive, Notion, Slack, Confluence, and other popular data sources for RAG pipelines.
About R2R
End-to-end open-source RAG engine with server, API, and pipeline pre-built. RAG to Riches.
What is RAG Frameworks?
Frameworks and tools for building retrieval-augmented generation pipelines—document parsing, chunking, indexing, and query engines that connect LLMs to your data.
Browse all RAG Frameworks tools →