Chroma 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 18.6 for Chroma, and ranks ahead in 82% of the answers that name both.

Choose Chroma if…

You need a self-hosted or on-premises option
Fast path from local notebook prototyping to serverless cloud production
Free and open source when self-hosted
Lightweight and developer-friendly for prototypes

Choose Weaviate if…

You want the brand AI engines rank higher (45.2 vs 18.6)
You want a lower entry price ($45 vs $250)
AI answers describe it more positively (59% vs 50% positive)
You need HIPAA (Enterprise Cloud on AWS) coverage

AI visibility side by side

Latest weekly run · Nov 2

Metric	Chroma	Weaviate
Visibility score	18.6%	45.2%
Change vs last week	New	New
Rank in Vector Databases	#6	#4
Share of voice	6.8%	11.7%
Mentions this run	32	56
Positive in AI answers	50%	59%

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

Visibility score trend

Weekly runs over the last 60 days

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

Engine by engine

Weaviate leads on 3 of 3 engines

ChatGPT

22.2%

57.8%

AI Mode

20.9%

40%

Perplexity

12.6%

37.8%

ChromaWeaviate

Head to head in AI answers

28 engine answers name both brands

5Chroma ranked higher

23Weaviate ranked higher

Prompt	Engine	Chroma	Weaviate
What is a vector database and when does a company need one?	ChatGPT	#5	#4
What is the difference between a vector database and MLOps Platforms?	ChatGPT	#4	#2
What are the best Vector Databases tools in 2026?	ChatGPT	#4	#3
What are the best Vector Databases tools in 2026?	AI Mode	#5	#4
What are the best Vector Databases tools in 2026?	Perplexity	#5	#4
Best vector database for startups	ChatGPT	#5	#4
Best vector database for startups	Perplexity	#4	#5
Compare the leading Vector Databases platforms	ChatGPT	#6	#3
Compare the leading Vector Databases platforms	AI Mode	#5	#3
Compare the leading Vector Databases platforms	Perplexity	#8	#2
Alternatives to the most popular vector database	ChatGPT	#5	#3
Alternatives to the most popular vector database	AI Mode	#8	#5

Features, pricing & fit

Dimension	Chroma	Weaviate
Pricing model	Usage-based	Usage-based
Entry price	Free; paid from $250 / mo	Free; paid from $45 / mo
Free plan	Yes	Yes
Deployment	Open-source self-hosted, serverless managed Chroma Cloud, or Bring Your Own Cloud in the customer's VPC.	Serverless, Enterprise Cloud, or Bring Your Own Cloud
Compliance	SOC 2 Type II	SOC 2 Type II, HIPAA (Enterprise Cloud on AWS)
Support	Community support through Discord and the open-source community on the Starter plan, Slack support on the Team plan, Dedicated support and customized SLAs on the Enterprise plan	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	2022	2019
Headquarters	San Francisco, CA, United States	Amsterdam, Netherlands
Employees	11–50	51–200
Funding	Seed · $18M raised	Strategic investment (Ricoh corporate venture fund)
Best for	Developers building retrieval-augmented generation prototypes, who get a fast start locally, and teams that later need a managed or self-hosted search system.	Development teams and enterprises building search, RAG and agent applications who want an open-source, production-ready vector database.