Companies

Weaviate

weaviate.io

Weaviate provides an open-source AI database platform for vector search, RAG, memory, and agent applications.

HQAmsterdam, null, Netherlands
Employees51-200
Funding$50M
Valuation$200M
1 active role
Profile 6mo agoJobs checked 3h ago
AI / MLAI ApplicationAPI / PlatformSeries B$50M-$200M

About

Weaviate builds an open-source, AI-native database platform for vector search, retrieval-augmented generation, memory, and agent applications. It serves developers and AI teams at startups, scale-ups, and enterprises, differentiating through deployment-agnostic infrastructure, integrated vector and hybrid search, model services, scalability, and enterprise-grade security.

Market

Weaviate competes in the vector-database and AI-infrastructure market supporting semantic search, RAG, agentic applications, and memory. It positions itself as an open-source, AI-native platform available through self-hosting or managed cloud, with built-in vectorization, scaling, and developer tooling. Its main differentiation is native hybrid search that combines vector similarity, keyword matching, and metadata filtering, whereas competitors often emphasize managed zero-operations deployment, pure vector retrieval, Postgres integration, or very large-scale distributed search.

Target Customers

Weaviate targets AI teams and software engineering organizations at startups, scale-ups, and enterprises that are building production search, RAG, recommendation, chatbot, and agent applications. Key buyers include developers and platform/AI infrastructure teams that need open-source flexibility, managed-cloud convenience, scale, and—especially in enterprises—data-residency, security, SLA, and operational support.

At a Glance

Problem

Modern AI applications need to retrieve relevant information by meaning rather than exact keywords, but conventional databases and keyword search can be unreliable or slow at scale. This creates operational pain when companies must search large volumes of unstructured text, images, or other modalities, particularly when inaccurate retrieval forces people to remain involved in complex workflows. Instabase, for example, processes more than 500,000 varied documents per day and required high-accuracy, low-latency retrieval to reduce human intervention.

The central use case is retrieval-augmented generation (RAG): a vector database retrieves relevant company-specific information and passes it to a large language model so the model can answer questions with specialized context. This improves accuracy, reduces hallucinations, and enables production chatbots, question-answering systems, enterprise search, recommendations, and AI agents.

Product / Service

Weaviate is an open-source, AI-native vector database and application platform. It stores and indexes high-dimensional vectors, supports semantic, keyword, and hybrid search, connects to embedding and machine-learning models, and provides features such as filtering, multi-tenancy, generative search, and integrations with the broader AI ecosystem. Its hybrid search combines vector similarity with keyword retrieval and re-ranking, allowing developers to search by meaning while preserving exact-term relevance.

The product is delivered both as self-managed open-source software and through Weaviate Cloud, a fully managed cloud service. Weaviate Cloud handles infrastructure, embeddings, ranking, scaling, cluster management, backups, and deployment concerns, allowing developers to focus on building AI features rather than operating database infrastructure. The benefit is a faster path from raw enterprise data to scalable search, RAG, recommendation, chatbot, and agent experiences.

Market

Weaviate competes in the vector database and broader AI database market, alongside managed and open-source alternatives such as Pinecone, Milvus, Qdrant, Chroma, pgvector, DataStax, Algolia, and Elasticsearch. Its differentiation is the combination of open-source deployment, built-in hybrid search, multimodal capabilities, AI-model integrations, and a managed cloud offering aimed at production AI applications.

The company is clearly commercial rather than pre-revenue: Weaviate reports more than 20 million open-source downloads and thousands of customers across startups, scale-ups, and enterprises. Customer evidence includes Instabase's large-scale document-processing workload, while Ricoh announced an investment in Weaviate in June 2026. These signals indicate meaningful developer adoption, enterprise usage, and strategic interest, although the available evidence does not disclose audited revenue.

Founders & Leadership

Bob van LuijtFounder
Co-founder and CEO
Etienne DilockerFounder
Co-founder and CTO
Paul de GrijpVP of Engineering

Funding History

2020-08
Seed$1.6M

Zetta Venture Partners

2022-02
Series A$16M

New Enterprise Associates (NEA), Cortical Ventures

2023-04
Series B$50M

Index Ventures

Recent News

2026-06-25product
Weaviate 1.38 Release

Weaviate’s 1.38 release made the HFresh disk-based vector index and built-in MCP Server generally available. It also introduced preview features including the Boost API and Nested Object Filtering.

2026-06-17product
Weaviate Cloud is now free to start

Weaviate made its entire cloud product suite—including the Database, Query Agent, and Engram—available through free tiers. The managed database can be used without a credit card or time limit.

2026-06-16funding
Ricoh invests in AI-native vector database startup Weaviate through the RICOH Innovation Fund

Ricoh announced an investment in Weaviate through its corporate venture fund. The companies intend to explore solutions combining Ricoh’s data-capture technology with Weaviate’s context-aware database.

2026-06-03product
Engram is now Generally Available

Weaviate announced general availability of Engram, its managed memory and context service for agentic applications. Engram turns agent events into structured, durable memories and is available in Weaviate Cloud, including a free tier.

2026-04-23product
Weaviate 1.37 Release

Weaviate released version 1.37 as open source and on Weaviate Cloud. Highlights include a built-in MCP Server preview, extensible tokenizers, diversity search with MMR, query profiling, incremental backups, Gemini audio support, and BlobHash properties.

2026-03-03product
Weaviate 1.36 Release

Version 1.36 introduced the HFresh vector index in preview and moved server-side batching, object TTL, async replication improvements, drop inverted indices, and backup-restoration cancellation to general availability.

2026-01-29
Weaviate in 2025: Reliable Foundations for Agentic Systems

Weaviate’s 2025 review described the evolution of Weaviate Cloud from managed infrastructure into a guided environment for building with vectors and highlighted continued investment in developer experience and RAG workflows.

2026-01-15product
Announcing the Weaviate C# Client

The Weaviate C# client reached general availability, providing a modern API for .NET developers building AI-powered applications.

2025-10-09funding
Weaviate Raises $50M in Series C

Coverage reported that Weaviate raised $50 million in Series C funding at a reported $200 million valuation, with Battery Ventures and Zetta Venture Partners identified as investors.

Active Roles

1
CET, GMT or EST timezones/Product/30d ago

Business Model

Weaviate monetizes its open-source database through managed Weaviate Cloud services, offering free access alongside pay-as-you-go, prepaid, shared, and dedicated plans. It also charges usage-based fees for services such as embeddings and Query Agent, with higher-priced plans adding reliability, security, support, and enterprise capabilities.

Products

Weaviate DatabaseWeaviate CloudQuery AgentEngram persistent memory for LLM agents and applicationsEnterprise self-hosting and Weaviate Assurance

Customers

AkamaiAlexiAnswearBookingBoschBumbleCiscoDeaceroDeelFactSetGloboGlooHPEIntuitKantarNetAppPatronusPerceptyxPoint72ScribdThalesYabbleWearMedicineMarvelXMoonsift

Tech Stack

Open-source, cloud-native vector databaseVector search and native hybrid search combining vector similarity, keyword/BM25 search, and metadata filteringEmbedding/vectorization model integrations, including bring-your-own embeddingsRanking and re-rankingNative multi-tenancy, horizontal scaling, and auto-scalingDocker, Kubernetes, embedded, and managed-cloud deployment optionsRAG and agent/LLM application integrations

Competitors

Pinecone
Qdrant
Milvus / Zilliz Cloud
ChromaDB
Vespa
pgvector

Key Investors

Index Ventures, Battery Ventures, New Enterprise Associates, Cortical Ventures, Zetta Venture Partners, ING Ventures, GTM-fund, Scale Asia Ventures