milvus Alternatives in 2026

Category: rag · 44,833 stars

5 of the best milvus alternatives for developers building AI apps with custom knowledge. Includes free, paid, and open-source options.

1. langchain

langchain is a strong milvus alternative in the rag category. Best for: developers building AI apps with custom knowledge. Visit langchain →

Categoryrag
Stars / adoption139,626
Best fordevelopers building AI apps with custom knowledge

Read our langchain review · milvus vs langchain

2. firecrawl

firecrawl is a strong milvus alternative in the rag category. Best for: developers building AI apps with custom knowledge. Visit firecrawl →

Categoryrag
Stars / adoption134,466
Best fordevelopers building AI apps with custom knowledge

Read our firecrawl review · milvus vs firecrawl

3. mem0

mem0 is a strong milvus alternative in the rag category. Best for: developers building AI apps with custom knowledge. Visit mem0 →

Categoryrag
Stars / adoption58,846
Best fordevelopers building AI apps with custom knowledge

Read our mem0 review · milvus vs mem0

4. Langchain-Chatchat

Langchain-Chatchat is a strong milvus alternative in the rag category. Best for: developers building AI apps with custom knowledge. Visit Langchain-Chatchat →

Categoryrag
Stars / adoption38,187
Best fordevelopers building AI apps with custom knowledge

Read our Langchain-Chatchat review · milvus vs Langchain-Chatchat

5. qdrant

qdrant is a strong milvus alternative in the rag category. Best for: developers building AI apps with custom knowledge. Visit qdrant →

Categoryrag
Stars / adoption32,436
Best fordevelopers building AI apps with custom knowledge

Read our qdrant review · milvus vs qdrant

How to pick

When to stick with milvus

milvus is a strong choice when you're already in the rag ecosystem, or when its specific strengths (chatbots over docs and semantic search) match your needs. If you're hitting limits, the alternatives above are the next best options.

Or stick with milvus → All use cases