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AI Tools for Databases, vector search & SQL Compared

11 AI tools for Databases, vector search & SQL, part of the Development & Code category, with prices, limits and sources.

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More topics in Development & Code

Coding assistants & IDEs 48App & UI builders 12Agent & RAG frameworks 68Edge AI & embedded ML 1Code quality & documentation 8Localization, search & APIs 31Machine learning & computer vision 4Model training & optimization 2Model deployment & inference 3

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Chroma

Databases, vector search & SQL

Serverless vector, full-text, and metadata search with usage-based Chroma Cloud billing.

Free accessFree plan
Paid fromTeam · $250$250 plus usage
  • Vector, full-text, and metadata search
  • Starter and Team plus usage

Details Visit site (opens in a new tab)

Cloudflare AI Search

Databases, vector search & SQL

Managed index over your content, with semantic and full-text query. Not Clef, not the general Workers AI price, and not Typesafe Jev.

Free accessFree planEvery account includes 5 million ingestion tokens, 10 GB-month, 1000 semantic queries, and 1000 full-text queries each month. Overage billing starts on 2026-11-01.
Paid fromIngestion · 0.75 USD0.75 USD per 1 million tokens above the included pool of 5 million tokens.
  • Managed index with semantic and full-text query. Not Clef and not Typesafe Jev.
  • Included each month: 5 million tokens, 10 GB-month, 1000 semantic queries, and 1000 full-text queries. Billing starts 2026-11-01.

Details Visit site (opens in a new tab)

Huawei Cloud ModelArts

Databases, vector search & SQL

Core capabilities include: Prepare and organize training data; Train models and adapt them to specific tasks; Deploy models and run inference.

Free accessnot publishedA free AI allowance is not clearly specified.
Paid fromAccess · Not verified for this marketPrepare and organize training data
  • Prepare and organize training data
  • Train models and adapt them to specific tasks

Details Visit site (opens in a new tab)

MongoDB Atlas Vector Search

Databases, vector search & SQL

Combine operational document data and vector search in the same MongoDB cluster.

Free accessFree plan512 MB, 100 operations/second, and 3 search/vector indexes.
Paid fromAtlas Flex · $0.011 / $305 GB storage
  • Vector search, ANN, ENN, and hybrid search natively in the MongoDB cluster
  • Native reranking for more precise search results

Details Visit site (opens in a new tab)

MotherDuck

Databases, vector search & SQL

Run DuckDB analytics locally and in serverless cloud compute and connect them to agents.

Free accessFree plan10 GB and 10 Pulse compute hours/month for up to 3 active users.
Paid fromBusiness · 250 $ per Organisation and month plus NutzungUp to 10 active internal users
  • Run DuckDB analytics locally, in serverless cloud compute, and as a hybrid
  • 10 GB cloud storage and 10 Pulse compute hours per month in the free Lite plan

Details Visit site (opens in a new tab)

Neo4j AuraDB

Databases, vector search & SQL

Run graphs, knowledge graphs, vector search, and GraphRAG as a managed database.

Free accessFree plan1 database with up to 50,000 nodes and 175,000 relationships.
Paid fromAuraDB Professional 1 GB · $651 GB RAM and 1 CPU
  • Managed graph database for connected data, Knowledge Graphs, and GraphRAG
  • Vector search natively in the graph for semantic similarity queries

Details Visit site (opens in a new tab)

Pinecone

Databases, vector search & SQL

Run vector search, embeddings, reranking, and RAG assistants as a managed service.

Free accessFree plan2 GB, 1M reads and 2M writes/month. Illustrative example around 15,000 semantic searches/day.
Paid fromBuilder · $20Flat price with no usage overages
  • Serverless vector database for real-time retrieval in AI applications and RAG pipelines
  • Free Starter account: 2 GB storage, 5 million vectors, unlimited queries

Details Visit site (opens in a new tab)

Qdrant

Databases, vector search & SQL

Self-host open-source vector search or use it as a managed cloud with inference.

Free accessFree plan1 cluster, 0.5 vCPU, 1 GB RAM, 4 GB disk ≈ 1M vectors at 768 dimensions.
Paid fromCloud Standard · pay as you goDedicated resources
  • Open-source vector database with filtering, hybrid search and REST/gRPC APIs
  • Self-host or use as managed cloud with inference

Details Visit site (opens in a new tab)

Text2SQL.ai

Databases, vector search & SQL

Generate, explain, repair, execute, and integrate SQL through an API.

Free accessFree trialFree trial, but no current fixed duration or message allowance published.
Paid fromPro monthly · $29Unlimited web messages
  • Generate, explain, repair, and optimise SQL from natural language
  • Execute database connections and visualise results as charts

Details Visit site (opens in a new tab)

Vanna AI

Databases, vector search & SQL

Turn natural-language data questions into SQL and deploy them as your own agent.

Free accessFree planMIT-licensed software with no question quota. You fund and run your own infrastructure and language models (LLMs) yourself.
Paid fromExplorer · $5020 questions/day
  • Translate natural-language questions directly into traceable SQL
  • MIT licence: free choice of language model and vector store

Details Visit site (opens in a new tab)

Weaviate

Databases, vector search & SQL

Run vector and hybrid search with integrated embeddings and a natural-language Query Agent.

Free accessFree plan100,000 objects, 10 GB disk, 2,000 embeddings/day, and 1,000 agent requests/month.
Paid fromFlex · $45Pay as you go without commitment
  • Vector and hybrid search with integrated hosted embeddings
  • Natural-language database queries via Query Agent

Details Visit site (opens in a new tab)

Two tools at a glance: prices, limits and sources from the catalog. Side by side, not a ranking.

Pinecone vs WeaviateQdrant vs PineconeQdrant vs WeaviateChroma vs PineconeChroma vs Qdrant

Alphabetical order. This is not a quality ranking.

Comparison criteria

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Methodology

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Is this a ranking?

No. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first. We do not award stars or a test winner.

What does "free access" mean for the listed tools?

Free access can mean a permanently free plan, a time-limited trial, or a one-off starting credit with no card required. The exact type is stated on each tool's own page.

How many of the listed tools offer free access?

10 of 11 listed tools offer free access - a permanent plan, a trial, or a no-card credit.

How do I see tools with free access first?

Use the “Free access first” toggle above the list to see tools with free access first.