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R2R alternatives

Apps that do what R2R does, from the retrieval-augmented generation tools list, the ones you can start free with first.

1. 1

   LangChain

   Free plan APISelf-hosted
   7.1 Free plan Visit site
2. 2 O

   OpenRAG

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   7.1 Free plan Visit site
3. 3 L

   Langflow

   Free plan APILinuxMac+3
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4. 4 P

   Pathway Live Data Framework

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   7.0 Free plan Visit site
5. 5 R

   RAGStack

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   7.0 Open source Visit site
6. 6 T

   txtai

   Free plan APILinuxMac+2
   7.0 Open source Visit site
7. 7 Q

   Quivr

   Free plan APIWeb
   6.9 From €150/mo Visit site
8. 8 R

   Ragen

   Free plan APISelf-hostedWeb
   6.9 Free plan Visit site
9. 9 S

   ServerBackup

   Free plan LinuxSelf-hosted
   6.7 Free plan Visit site
10. 10

    Kapa.ai

    Free trial APISelf-hostedWeb
    6.2 Pricing on request · 14-day trial Visit site
11. 11

    Progress Agentic RAG

    Free trial APISelf-hostedWeb
    5.9 From $700/mo · 14-day trial Visit site
12. 12

    Vectara

    Free trial APISelf-hostedWeb
    5.7 Pricing on request · 30-day trial Visit site
13. 13

    Amazon Bedrock Knowledge Bases

    Paid Web
    4.7 Visit site
14. 14 V

    Vertex AI Prompt Optimizer

    Paid Web
    4.0 Visit site

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