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Faiss Reviews

Vendor: Meta
4.0 out of 5

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Faiss mindshare

Product category:
As of March 2026, the mindshare of Faiss in the Open Source Databases category stands at 3.8%, down from 5.3% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Open Source Databases Mindshare Distribution
ProductMindshare (%)
Faiss3.8%
PostgreSQL14.4%
Firebird SQL11.9%
Other69.9%
Open Source Databases
 
 
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Top industries

By visitors reading reviews
Financial Services Firm
14%
Computer Software Company
13%
Manufacturing Company
10%
Comms Service Provider
8%
University
7%
Educational Organization
6%
Retailer
4%
Insurance Company
4%
Energy/Utilities Company
3%
Healthcare Company
3%
Media Company
3%
Government
3%
Outsourcing Company
3%
Performing Arts
3%
Real Estate/Law Firm
2%
Hospitality Company
2%
Recreational Facilities/Services Company
2%
Construction Company
2%
Wholesaler/Distributor
1%
Legal Firm
1%
Logistics Company
1%
Marketing Services Firm
1%
Pharma/Biotech Company
1%
Non Profit
1%
Transportation Company
1%

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Faiss Reviews Summary
Author infoRatingReview Summary
Senior Software Engineer4.0I've used Faiss for a year in a retrieval-augmented generation project with Cohere and OpenAI; it’s fast, integrates well, and accurate, though limited by in-memory storage and lacks persistent storage or visualization of embeddings.
Student at Otto-von-Guericke-Universitaet4.5I created vectors and embeddings using Hugging Face and used Faiss for query searches. Although I found Faiss valuable as a basic database, I wish I could customize algorithms to compare query mechanisms for better results.
CEO & President at Ideyatech, Inc3.5We use Faiss for document tasks in augmented generation. It requires additional tools for smoother production integration and improvement in handling larger datasets. We previously evaluated Milvus and are currently exploring Chroma for a potential alternative.