The Best Ai Databases in 2026
We researched AI databases using vendors’ official websites, including pricing pages, plan tables, and product documentation. Rankings focus on the category’s core job, value for money, and verified features so readers can compare database options for AI workloads.
Our top picks
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Top ranked
Zilliz Cloud#1 of 418.9/10A managed vector database with hybrid search, enterprise controls, and a free tier.
Free plan · 30-day trial
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Runner-up
Pinecone#2 of 418.9/10A managed vector-search service with hybrid retrieval, filtering, and tiered plans.
Free plan · 21-day trial
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Top-ranked free plan
Weaviate#3 of 418.7/10A flexible vector database with hybrid search, multiple APIs, and cloud or self-hosted deployment.
Free plan
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
The full ranking 41 tools, best first
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Best forTeams wanting a managed vector database with a free tier
A managed vector database with hybrid search, enterprise controls, and a free tier.
- Hybrid search
- Metadata filtering
Free plan · 30-day trial Our Zilliz Cloud verdict → Visit Zilliz CloudFor vendors Sponsor this spot · #1 · $149/mo →8.9/10★★★★☆Visit Zilliz Cloud -
Best forTeams building AI search and retrieval systems
A managed vector-search service with hybrid retrieval, filtering, and tiered plans.
- Hybrid search
- Metadata filtering
Free plan · 21-day trial Our Pinecone verdict → Visit PineconeFor vendors Sponsor this spot · #2 · $99/mo →8.9/10★★★★☆Visit Pinecone -
Best forTeams needing cloud or self-hosted vector search
A flexible vector database with hybrid search, multiple APIs, and cloud or self-hosted deployment.
- Hybrid search
- Metadata filtering
8.7/10★★★★☆Visit Weaviate -
Best forDevelopers wanting open-source vector search
A flexible vector search foundation for teams that want open-source or self-hosted deployment.
- Hybrid search
- Metadata filtering
8.6/10★★★★☆Visit Milvus -
Best forTeams needing cloud or self-hosted vector search
A flexible vector database for teams building semantic search and AI retrieval.
- Hybrid search
- Metadata filtering
8.5/10★★★★☆Visit Qdrant -
Best forTeams combining vector retrieval with established search
A flexible search engine for teams adding vector and hybrid retrieval to established search.
8.4/10★★★★☆Visit Elasticsearch -
Best forEnterprises standardizing on managed cloud vector search
Enterprise teams get dense, sparse, and hybrid vector search with managed Google Cloud operations.
- Hybrid search
- Metadata filtering
8.3/10★★★★☆Visit Google Cloud -
Best forAWS users building managed vector search and RAG
A managed AWS option for teams combining vector retrieval with lexical search.
- Hybrid search
- Metadata filtering
8.2/10★★★★☆Visit AWS -
Best forTeams needing customizable ranking and self-managed search
A flexible search and ranking platform for teams prepared to configure and operate it.
- Hybrid search
- Metadata filtering
8.1/10★★★★☆Visit Vespa -
Best forDevelopers building open-source multimodal retrieval
A flexible database for multimodal retrieval, hybrid search, and versioned data workflows.
- Hybrid search
- Metadata filtering
8.0/10★★★★☆Visit LanceDB -
Best forTeams needing temporal and multimodal vector search
KDB.AI combines temporal, hybrid, and multimodal vector search with cloud and self-hosted options.
- Hybrid search
- Metadata filtering
7.9/10★★★★☆Visit KDB.AI -
Best forDevelopers seeking open-source hybrid search
A flexible open-source database for dense, sparse, and hybrid AI retrieval.
- Hybrid search
- Metadata filtering
7.8/10★★★★☆Visit Chroma -
Best forTeams seeking low-entry-cost hybrid vector and text search
Hybrid vector and text retrieval starts at $16/month, with no free plan.
- Hybrid search
- Metadata filtering
7.7/10★★★★☆Visit turbopuffer -
Best forTeams adding vector search to Cassandra-style apps
A Cassandra-style managed database that adds vector search and flexible query access.
7.6/10★★★★☆Visit Astra DB -
Best forOracle database users adding vector search to existing data
SQL-based vector search for teams extending Oracle AI Database with semantic retrieval.
- Managed backups
- Hybrid search
- Metadata filtering
7.5/10★★★★☆Visit Oracle -
Best forTeams wanting vector search within a managed document
A managed MongoDB service that adds vector search without leaving a document database.
7.4/10★★★★☆Visit MongoDB Atlas -
Best forCloudflare users needing inexpensive basic vector search
A low-cost vector search service for applications already built on Cloudflare.
- Metadata filtering
7.3/10★★★★☆Visit Cloudflare -
Best forTeams needing GPU-accelerated vector search with SQL
A fit for teams that need GPU-accelerated vector search alongside SQL analytics.
- Metadata filtering
7.2/10★★★★☆Visit Kinetica -
Best forPostgreSQL teams adding vector and in-database AI
A PostgreSQL-compatible AI layer with vector search, SQL filtering, and model invocation.
- Hybrid search
- Metadata filtering
7.1/10★★★★☆Visit Google Cloud -
Best forRetail teams building AI-powered product discovery
Semantic commerce search for retailers that need relevance, discovery and merchandising controls.
- Hybrid search
- Metadata filtering
6.9/10★★★☆☆Visit Marqo -
Best forDevelopers seeking a general-purpose database with vectors
A broad multi-model database with vector search for developers who want one data layer.
6.8/10★★★☆☆Visit SurrealDB -
Best forTeams needing globally distributed JSON with vector search
Globally distributed JSON storage with integrated vector search and flexible throughput.
6.7/10★★★☆☆Visit Cosmos DB -
Best forTeams adding vector search to a managed document database
A broad managed document database that adds vector search alongside operational data services.
6.6/10★★★☆☆Visit site -
Best forTeams embedding vector workloads in managed SQL
A managed SQL service with scaling and recovery options, but limited evidence of AI-specific depth.
6.5/10★★★☆☆Visit SingleStore -
Best forTeams building Postgres applications with AI features
A Postgres application platform with a free tier, managed services, and self-hosting options.
6.3/10★★★☆☆Visit Supabase -
Best forTeams seeking managed analytics infrastructure
Managed SQL analytics infrastructure with elastic scaling and broad data integrations.
6.1/10★★★☆☆Visit ClickHouse -
Best forOrganizations needing analytical warehousing with ML
A cloud warehouse combining streaming ingestion, lake queries, BI analytics, and in-database ML.
6.0/10★★★☆☆Visit Alibaba Cloud -
Best forTeams building apps on managed, branching PostgreSQL
Managed PostgreSQL with branching and usage-based compute, but a narrower fit for AI databases.
5.9/10★★★☆☆Visit Neon -
Best forAWS teams needing a managed transactional database
Managed AWS database for transactional workloads, not a dedicated AI database.
5.8/10★★★☆☆Visit Amazon Aurora -
Best forEnterprises managing the model lifecycle on Databricks
A Databricks AI lifecycle toolkit, rather than a documented database or vector retrieval product.
5.7/10★★★☆☆Visit Databricks -
Best forTeams seeking low-cost cloud object storage
Low-cost object storage with S3 compatibility, not a database for AI workloads.
5.5/10★★★☆☆Visit Tigris -
Best forTeams managing versioned files, tables, and ML assets
A versioned data platform for teams managing files, tables, and ML assets.
5.4/10★★★☆☆Visit TileDB Cloud -
Best forSnowflake users developing and scheduling notebooks
A governed Snowflake notebook workspace, not a database or vector-search product.
5.3/10★★★☆☆Visit Snowflake -
Best forTeams operating YugabyteDB across hybrid infrastructure
A hybrid-infrastructure control plane for YugabyteDB operations, not an AI database tool.
5.2/10★★★☆☆Visit Yugabyte -
Best forTeams seeking open-source observability search and analytics
An open-source observability search suite for logs, metrics, traces, dashboards, and alerts.
5.1/10★★★☆☆Visit OpenSearch -
Best forRedis teams needing a free desktop and web workbench
A free Redis workbench with deep inspection, query tools, and AI assistance—not a database engine.
5.0/10★★☆☆☆Visit Redis Insight -
Best forEnterprises managing records and content workflows
A records-and-workflow platform for enterprises, not a vector database.
4.9/10★★☆☆☆Visit OpenText -
Best forTeams building hybrid search across files and content
A flexible search foundation for RAG and content retrieval, with cloud plans starting at $700/month.
4.8/10★★☆☆☆Visit NucliaDB -
Best forTeams self-hosting vector search on Kubernetes
Open-source vector search with distributed indexing and Kubernetes scaling.
- Metadata filtering
4.7/10★★☆☆☆Visit Vald -
Best forScyllaDB administrators managing cluster operations
ScyllaDB cluster operations tooling, not an AI database workload platform.
1.0/10☆☆☆☆☆Visit ScyllaDB -
Best forPeople converting raster artwork into SVG files
A focused image-to-SVG tracing tool, not an AI database.
1.0/10☆☆☆☆☆Visit Vecto
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Score |
|---|---|---|---|---|
| 1 | Zilliz Cloud | Yes | 8.9 | |
| 2 | Pinecone | Yes | 8.9 | |
| 3 | Weaviate | Yes | $45/mo | 8.7 |
| 4 | Milvus | Yes | Free | 8.6 |
| 5 | Qdrant | Yes | 8.5 | |
| 6 | Elasticsearch | Yes | 8.4 | |
| 7 | Vertex AI Vector Search | 8.3 | ||
| 8 | Amazon OpenSearch Service | No | 8.2 | |
| 9 | Vespa | No | $0.05/unit usage-based | 8.1 |
| 10 | LanceDB | Free | 8.0 | |
| 11 | KDB.AI | Yes | 7.9 | |
| 12 | Chroma | Yes | $250/mo | 7.8 |
| 13 | turbopuffer | No | $16/mo | 7.7 |
| 14 | DataStax Astra DB | Yes | $83.30/mo | 7.6 |
| 15 | Oracle AI Vector Search | Yes | 7.5 | |
| 16 | MongoDB Atlas | Yes | $8/mo | 7.4 |
| 17 | Cloudflare Vectorize | Yes | $5/mo | 7.3 |
| 18 | Kinetica | Yes | $1.80 usage-based | 7.2 |
| 19 | AlloyDB AI | No | 7.1 | |
| 20 | Marqo | No | 6.9 | |
| 21 | SurrealDB | Yes | $0.19/unit usage-based | 6.8 |
| 22 | Azure Cosmos DB for NoSQL | Yes | 6.7 | |
| 23 | Couchbase Capella | Yes | $0.15/unit usage-based | 6.6 |
| 24 | SingleStore Helios | Yes | $0.99 usage-based | 6.5 |
| 25 | Supabase | Yes | $25/mo | 6.3 |
| 26 | ClickHouse Cloud | No | $50/mo | 6.1 |
| 27 | Alibaba Cloud AnalyticDB | $119/mo | 6.0 | |
| 28 | Neon | Yes | $0.11/mo | 5.9 |
| 29 | Amazon Aurora | No | 5.8 | |
| 30 | Databricks Mosaic AI | 5.7 | ||
| 31 | Tigris | Yes | $0.004/GB/mo | 5.5 |
| 32 | TileDB Cloud | Yes | 5.4 | |
| 33 | Snowflake Notebooks | 5.3 | ||
| 34 | YugabyteDB Anywhere | No | 5.2 | |
| 35 | OpenSearch | Free | 5.1 | |
| 36 | Redis Insight | Yes | Free | 5.0 |
| 37 | SAP Extended Enterprise Content Management by OpenText | 4.9 | ||
| 38 | NucliaDB | No | $700/mo | 4.8 |
| 39 | Vald | Free | 4.7 | |
| 40 | ScyllaDB Manager | Free | 1.0 | |
| 41 | Vecto | Yes | $7.99 one-time | 1.0 |
Head-to-head All 21 comparisons →
- Zilliz Cloud vs Pinecone
- Zilliz Cloud vs Weaviate
- Zilliz Cloud vs Elasticsearch
- Zilliz Cloud vs Amazon OpenSearch Service
- Pinecone vs Weaviate
- Pinecone vs Milvus
- Pinecone vs Qdrant
- Pinecone vs Elasticsearch
- Pinecone vs Vertex AI Vector Search
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How we rank ai databases
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update