VespaThe AI Search Platform for fast, accurate AI search

WeaviateThe AI database developers love

Comparison · Vector Databases · weekly run Nov 2

Vespa vs Weaviate

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Weaviate is the stronger AI pick in Vector Databases: it has a visibility score of 45.2 versus 3.8 for Vespa, and ranks ahead in 100% of the answers that name both.

Choose Vespa if…

AI answers describe it more positively (67% vs 59% positive)
Massive-scale big data serving engine and AI search platform
Billion-scale hybrid search with native tensor calculations
Suited to sophisticated recommendation, ranking, and personalization with custom ranking logic

Choose Weaviate if…

You want the brand AI engines rank higher (45.2 vs 3.8)
You need SOC 2 Type II or HIPAA (Enterprise Cloud on AWS) coverage
Strong native hybrid search
Open-source and modular AI-native design

AI visibility side by side

Latest weekly run · Nov 2

Metric	Vespa	Weaviate
Visibility score	3.8%	45.2%
Change vs last week	New	New
Rank in Vector Databases	#17	#4
Share of voice	1.9%	11.7%
Mentions this run	9	56
Positive in AI answers	67%	59%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

Vespa 0pp · Weaviate 0pp over 0 weekly runs.

Engine by engine

Weaviate leads on 3 of 3 engines

ChatGPT

5.9%

57.8%

AI Mode

2.2%

40%

Perplexity

3.1%

37.8%

VespaWeaviate

Head to head in AI answers

9 engine answers name both brands

0Vespa ranked higher

9Weaviate ranked higher

Prompt	Engine	Vespa	Weaviate
What are the best Vector Databases tools in 2026?	ChatGPT	#7	#3
What are the best Vector Databases tools in 2026?	Perplexity	#8	#4
Compare the leading Vector Databases platforms	Perplexity	#10	#2
Alternatives to the most popular vector database	ChatGPT	#7	#3
Alternatives to the most popular vector database	AI Mode	#6	#5
Which Vector Databases vendors do analysts recommend?	ChatGPT	#4	#3
Official website of the top vector database vendors	ChatGPT	#5	#2
Official website of the top vector database vendors	AI Mode	#8	#4
Official website of the top vector database vendors	Perplexity	#6	#3

Features, pricing & fit

Dimension	Vespa	Weaviate
Pricing model	—	Usage-based
Entry price	—	Free; paid from $45 / mo
Free plan	—	Yes
Deployment	Open source for self-hosting, Vespa Cloud fully managed on AWS and Google Cloud marketplaces, and Enclave, which runs hosts in the customer's own cloud account.	Serverless, Enterprise Cloud, or Bring Your Own Cloud
Compliance	—	SOC 2 Type II, HIPAA (Enterprise Cloud on AWS)
Support	Developer center and documentation, Vespa Slack community	Email support on all plans, Phone and Slack support on Premium and Dedicated plans, Technical Account Team add-on on Premium and Dedicated plans
Founded	2023	2019
Headquarters	Trondheim, Norway	Amsterdam, Netherlands
Employees	51–200	51–200
Funding	Series A, led by Blossom Capital · $31M raised	Strategic investment (Ricoh corporate venture fund)
Best for	Teams building search, retrieval-augmented generation, recommendation and personalization applications that must run at large scale.	Development teams and enterprises building search, RAG and agent applications who want an open-source, production-ready vector database.

Plans side by side

Vespa

Pricing not available.

Weaviate

Free$0month

Flex$45month minimum, pay-as-you-go

Premium SharedCustomprepaid contract (from $400/month minimum)

Premium DedicatedCustomprepaid contract

Weaviate pricing

Pros and cons

Themes from the AI answers that mention each brand

Vespa

Massive-scale big data serving engine and AI search platform
Billion-scale hybrid search with native tensor calculations
Suited to sophisticated recommendation, ranking, and personalization with custom ranking logic
High-throughput serving
Recognised by analysts among strongest vector database vendors