01
Dynamiq
Enterprise AI agents deployed in your cloud or data centre
Dynamiq is a unified agentic AI platform for back-office automation and customer support.
94.0
Best Open-source RAG platforms in 2026
10 ranked, with a plain verdict on every entry.
Dynamiq ranks first among the top 10 Open-source RAG platforms in 2026, with a Lister Score of 94.0.
Dynamiq leads this ranking. Dynamiq is a unified agentic AI platform for back-office automation and customer support. Genkit is built for Developers building agentic applications, and offers a local Developer UI that traces every step of the process. stdapi.ai serves AWS-native development teams.The ranking, in detail
02
Genkit
Google's open-source framework for building AI-powered apps and agents
Genkit is an open-source framework from Google for building AI features into apps. It provides a consistent way to call models and connect them to code.
92.0
03
stdapi.ai
OpenAI, Anthropic, cohere & ollama compatible AI gateway for Amazon Bedrock
stdapi.ai is an AI gateway for Amazon Bedrock compatible with OpenAI, Anthropic, Cohere and Ollama. It allows teams to run the tool in their own AWS account without third-party intermediaries.
92.0
04
Weaviate
Open-source vector search platform with GraphQL API
Weaviate is an open-source vector database platform supporting search, RAG, and agents. It provides a unified foundation for building scalable AI experiences.
90.0
05
Arize AI
ML observability and fairness monitoring platform
Arize AI provides an agent observability and evaluation platform. It turns production signals into continual learning so agents improve with every interaction.
88.0
06
H2O.ai
Open-source and commercial ML platform for scalable predictions
H2O.ai ensures organisations retain full ownership of their agents, models, data, and results within their own infrastructure.
88.0
07
Memori
Agent-native memory infrastructure
Memori is an LLM-agnostic layer that converts agent execution into structured state. It provides persistent memory infrastructure for production AI systems.
88.0
08
IntelliNode
Open source AI agent framework for Python and Node.js
IntelliNode is an open-source AI agent framework for Python and Node.js. It enables developers to build hundreds of super agents, RAG and MCP apps.
78.0
09
💛 Vectorboard
Boost your LLM performance like never before!
Vectorboard is a hyperparameter optimisation and evaluation framework for RAG embeddings. It automates parameter tuning and algorithm selection to boost LLM performance.
76.0
10
Pleias
The data layer for superior AI
Pleias builds the data layer that enables AI to outperform larger models. It provides infrastructure for enterprise agentic AI.
76.0
Not on this ranking?
Positions 1, 2 and 3 are available to buy for twelve months.
Frequently asked questions
What is the best Open-source RAG platforms?
Dynamiq ranks first on Lister. Dynamiq is a unified agentic AI platform for back-office automation and customer support.
What are the top 10 Open-source RAG platforms?
1. Dynamiq; 2. Genkit; 3. stdapi.ai; 4. Weaviate; 5. Arize AI; 6. H2O.ai; 7. Memori; 8. IntelliNode; 9. 💛 Vectorboard; 10. Pleias.
Are there free options for Open-source RAG platforms?
Weaviate, H2O.ai list a free option in the recorded pricing. Check the provider's current terms and limits.
Who are these open-source RAG platforms built for?
Genkit says it is built for Developers building agentic applications, and stdapi.ai for AWS-native development teams. Weaviate says it is built for AI teams building production applications, and Arize AI for AI engineers building self-improving agents.
What should a buyer check before signing up?
stdapi.ai states that Streaming responses can only retry before the stream opens, limiting resilience during active transfers. Those are the limits each AI tool publishes itself, not a full account of any plan.
