Dify
Self-Hosted AIOpen-source platform for building production LLM apps
Replaces OpenAI Assistants, Vertex AI Agent Builder
8 self-hosted OpenAI Assistants alternatives
OpenAI Assistants is OpenAI's higher-level hosted API for building stateful AI agents. These open-source apps let you replace OpenAI Assistants with software you host and control yourself.
Best self-hosted OpenAI Assistants alternatives
LightRAG
Self-Hosted AISimple and fast retrieval-augmented generation with graphs
Replaces OpenAI Assistants
GraphRAG
Self-Hosted AIGraph-based retrieval-augmented generation system
Replaces OpenAI Assistants
Letta
Self-Hosted AIBuild stateful LLM agents with long-term memory
Replaces OpenAI Assistants
LLMWare
Self-Hosted AIFramework for enterprise RAG with small language models
Replaces OpenAI Assistants
R2R
Self-Hosted AIProduction-ready RAG engine with a RESTful API
Replaces OpenAI Assistants
RAGApp
AI Chat UIsNo-code agentic RAG deployment in a Docker container
Replaces OpenAI Assistants
Cheshire Cat AI
Self-Hosted AIFramework for building AI assistants with memory and plugins
Replaces OpenAI Assistants
No apps match these filters.
Compare OpenAI Assistants alternatives
- Cheshire Cat AI vs Dify
- Cheshire Cat AI vs GraphRAG
- Cheshire Cat AI vs Letta
- Cheshire Cat AI vs LightRAG
- Cheshire Cat AI vs LLMWare
- Cheshire Cat AI vs R2R
- Cheshire Cat AI vs RAGApp
- Dify vs GraphRAG
- Dify vs Letta
- Dify vs LightRAG
- Dify vs LLMWare
- Dify vs R2R
- Dify vs RAGApp
- GraphRAG vs Letta
- GraphRAG vs LightRAG
- GraphRAG vs LLMWare
- GraphRAG vs R2R
- GraphRAG vs RAGApp
- Letta vs LightRAG
- Letta vs LLMWare
- Letta vs R2R
- Letta vs RAGApp
- LightRAG vs LLMWare
- LightRAG vs R2R
- LightRAG vs RAGApp
- LLMWare vs R2R
- LLMWare vs RAGApp
- R2R vs RAGApp
Switching from OpenAI Assistants
Moving off OpenAI Assistants means trading a managed subscription for a service you run yourself. The payoff is ownership: no per-seat pricing, no vendor lock-in, and full control of your data. Start with the option above that matches your setup-difficulty comfort level — every app links to a detailed specs page and head-to-head comparisons.