Alternatives to Meilisearch

Voyage AI delivers domain-tuned embedding models and rerankers for high-precision RAG retrieval

Open long-context text embeddings plus agentic drawing, code-compliance and submittal review for AEC firms

RAGatouille puts ColBERT late-interaction retrieval inside any Python RAG pipeline — train, index, and search in a few lines.

Pinecone is a managed vector database and knowledge engine for RAG, semantic search, and agent retrieval.

Multimodal retrieval that indexes video, image, audio and PDF files straight from your S3, GCS or R2 bucket.

Cohere delivers enterprise generative and retrieval AI you can deploy in your own VPC, on-prem, or via Model Vault.

Open-source RAG engine with built-in ETL, hybrid vector/BM25 search and visual agent orchestration for enterprise AI agents.

Milvus is an open-source vector database for billion-scale similarity search, hybrid retrieval, and lake-native RAG workloads

Weaviate is an open-source AI database for vector search, hybrid search, and RAG with built-in embeddings and agent memory.

Multimodal retrieval API that gives AI agents evidence, not raw search hits

Open-source Microsoft Research RAG that builds a knowledge graph and community summaries from your documents, then queries them in four modes.

Vespa is an open-source AI search platform for hybrid vector, text, and tensor retrieval with machine-learned ranking.

Discontinued: Trieve Cloud was sunset on November 1, 2025 after Mintlify acquired Trieve; the open-source project continues.

LanceDB is an open-source multimodal lakehouse that keeps curation, feature engineering, hybrid search, and training on one Lance table.

Cohere Rerank 4 reranks retrieval results with cross-attention so your RAG pipeline and AI agents retrieve only the most relevant documents.

Qdrant is an open-source vector search engine for filtered, hybrid vector search and RAG at scale.

pgvector brings open-source vector similarity search to Postgres so embeddings live next to your relational data.

Vespa AI is an open-source AI search platform for hybrid vector, text and structured retrieval with ML ranking in one query pass.

Zilliz Cloud: a fully managed vector database on Milvus for billion-scale AI search, RAG, and recommendations.

Apache 2.0 search infrastructure for AI that keeps vectors, indexes and metadata on cheap object storage.

Vector and full-text search on object storage — turbopuffer delivers sub-10ms p50 warm queries at 10x lower cost than compute-based vector

TiDB is a distributed SQL database for AI agents that unifies ACID transactions, HTAP analytics, and native vector search in one engine.

Cognee is an open-source AI agent memory platform that stores facts in a knowledge graph and returns cited recall across sessions.

MemOS gives AI agents persistent long-term memory through a cloud API or a fully local runtime.

Moss delivers in-process semantic search with sub-10ms retrieval for voice agents, copilots and on-device AI.

Apache Doris unifies OLAP analytics, full-text search, and vector search in one open-source SQL engine.

Mnemosyne is a local-first AI agent memory layer: one pip install for SQLite-backed persistent recall with sub-millisecond queries.

Zilliz Cloud Serverless is a managed serverless vector database on Milvus, with auto-scaling compute and tiered storage for GenAI apps.

Open-source Python framework that adds retrieval-augmented document Q&A to your app in five lines of code

Lance is an open lakehouse format for multimodal AI, pairing a file format, table format, and catalog spec with hybrid vector and full-text search on object