18.2
Algolia is an API-first search solution that combines keyword and semantic methods to return relevant results.
Free planAndroidiOSWeb
Alternatives to Vespa
Vespa suits teams building data-driven applications where retrieval, ranking, machine-learning inference, and real-time serving need to work together. It searches vectors, tensors, positional text, and structured data, then combines ranking signals with tensor functions or ONNX and XGBoost models. Deployments can be self-managed, operated through its Kubernetes Operator, or hosted on Vespa Cloud. Cluster size can change without interrupting queries or writes, and supported…
27.8
Pinecone is a fully managed vector database for AI workloads, available through web and API access.
Free planWebAPILinux
37.2
Meilisearch is a search engine that developers can add to a website or application, either by self-hosting or using its cloud service.
Free planWebAPILinux
- 4
Weaviate
Weaviate is an open-source AI vector database for storing, indexing, and searching high-dimensional vectors.
Free planWebAPILinuxSelf-hosted7.0$45 usage-based - 5
Google Vertex AI Search
Google Vertex AI Search, now presented as Agent Search, builds search and recommendation experiences for public websites and mobile apps.
AndroidiOSWebAPI6.9From $4 a month - 6
Qdrant
Qdrant is a vector similarity search engine and API for storing, searching, and managing vectors alongside payload data.
Free planWebAPILinuxmacOS6.9Free plan - 7
Azure AI Speech
Free planWebAPISelf-hosted6.7Free plan - 8
OpenSearch
OpenSearch is a community-driven, open-source suite for ingesting, searching, visualizing, and analyzing data.
Free planWebAPILinuxmacOS6.7Free plan - 9
Constructor
Constructor is an AI-native commerce discovery platform for retailers, built to personalize product discovery using shopper behavior, context, and intent.
AndroidiOSWebAPI6.6 - 10
AddSearch
AddSearch combines website keyword search, AI answers, and AI conversations for content discovery.
WebAPI6.5From $119 a month - 11
Amazon Kendra
Amazon Kendra is a cloud enterprise search service for websites and applications.
WebAPI6.5From $0.32 a month - 12
Doofinder
WebAPI6.5From $44 a month - 13
Syte
Syte is a visual product discovery platform for brands and retailers, using visual AI for product search and recommendations.
AndroidWebAPI6.5From $2,000 a month - 14
Unbxd
Netcore Unbxd provides ecommerce search and product discovery tools for retailers.
AndroidiOSWebAPI6.4 - 15
Milvus
Milvus is a free, open-source vector database for GenAI applications, developed by Zilliz.
Free planAPILinuxSelf-hosted6.3Free plan - 16
HawkSearch
WebAPI6.1From $500 a month - 17
Coveo
Coveo provides an AI-Relevance Platform for search, recommendations, personalization, and product or knowledge discovery across commerce, service,…
WebAPI5.9 - 18
Luigi's Box
WebAPI5.9 - 19
LupaSearch
LupaSearch is an ecommerce search and product-discovery service that uses language, images, and shopper intent to surface products.
WebAPI5.9 - 20
Marqo
Marqo is a cloud platform for enterprise ecommerce product discovery, combining search, browsing, merchandising, recommendations, category pages, and…
WebAPI5.9 - 21
Sinequa
Sinequa is an enterprise platform for connecting organizational knowledge and powering search, AI assistants, and AI agents.
WebSelf-hosted5.8 - 22
Bloomreach Discovery
Bloomreach Discovery is a cloud ecommerce search product from Bloomreach, a company founded in 2009 and headquartered in Mountain View, California.
AndroidiOSWeb5.6 - 23
Elastic Cloud Enterprise
Elastic Cloud Enterprise is a self-managed system for deploying and managing Elasticsearch clusters at scale.
WebAPILinuxSelf-hosted5.6 - 245.6
- 25
Glean Agent Builder
Glean Agent Builder is a web tool for teams creating AI agents grounded in enterprise context.
Web5.6 - 26
FactFinder
FactFinder is an AI-powered product discovery platform for eCommerce, combining search, recommendations and merchandising.
WebAPI5.5 - 27
5.5