Overview
Weaviate — Open-source vector database for AI
Weaviate is an open-source vector database that enables semantic search and RAG applications. Store text, images or any data as vector embeddings, then query by meaning rather than keywords. Supports multi-tenancy, hybrid search and serverless deployment.
Semantic vector search
Hybrid search (vector + BM25)
Multi-tenancy support
Serverless and managed cloud
Features & capabilities
Everything it does, in plain English.
FeatureSemantic vector searchIncluded
FeatureHybrid search (vector + BM25)Included
FeatureMulti-tenancy supportIncluded
FeatureServerless and managed cloudIncluded
FeatureGraphQL and REST APIsIncluded
API AccessProgrammatic access available for developers.Available
PlatformsCloud · Self-hosted
The honest take
Where it shines, where it stumbles.
✓ Pros
- ✓Open source with managed cloud
- ✓Strong hybrid search
- ✓Active community
! Watch-outs
- !Complex for beginners
- !Cost scales with data
Who it's for
Where Weaviate pays for itself fast.
— Use case
RAG knowledge bases
— Use case
Semantic search engines
— Use case
Recommendation systems
Community reviews
Share your take on Weaviate
Sign in to leave a verified review.
H
★★★★★
1 months ago
Worth every cent
Absolutely love this tool. The accuracy has improved significantly with recent model updates. Performance is fast — no noticeable latency even on large inputs. My team is very happy with the results.
A
★★★★★
1 months ago
Useful and reliable
Genuinely useful — glad I tried it. The customization options let me tailor it to my exact workflow. The free tier is genuinely generous compared to competitors. The mobile experience could use some work.
M
★★★★★
2 months ago
Happy with my subscription
Strong product with room to grow. The recent updates have addressed most of my initial concerns. Customer support response times could be faster. Best tool in this category, hands down.
A
★★★★★
3 months ago
Changed how I work completely
Absolutely love this tool. The recent updates have addressed most of my initial concerns. The interface is intuitive enough that I didn't need to read any docs. My team adopted this immediately after I shared it with them.
K
★★★★★
3 months ago
Useful and reliable
Pleasantly surprised by the quality. The ROI was clear within the first week of using it. I've tried 5 similar tools and this one is clearly the best in class. I use this daily and it's become essential to how I work. I'd love to see better export options.
R
★★★★★
3 months ago
Blew away all expectations
This is exactly what I was looking for. The collaboration features are genuinely well thought-out. The customization options let me tailor it to my exact workflow. Customer support responded within hours and solved my issue. Keep up the great work, team.
A
★★★★★
5 months ago
Incredible — highly recommend
Worth every penny. The AI suggestions are incredibly accurate and save me hours every week. The customization options let me tailor it to my exact workflow.
H
★★★★★
5 months ago
Happy with my subscription
Good value for the price. It handles edge cases better than anything else I've tried. The interface is intuitive enough that I didn't need to read any docs. The ROI was clear within the first week of using it. I'd love to see better export options. Keep up the great work, team.
M
★★★★★
6 months ago
Exceptional quality and value
Best-in-class, period. The interface is intuitive enough that I didn't need to read any docs. The recent updates have addressed most of my initial concerns.
J
★★★★★
6 months ago
Useful and reliable
Good value for the price. The recent updates have addressed most of my initial concerns. Reduced the time I spend on this task by about 70%. It handles edge cases better than anything else I've tried. Highly recommend.
B
★★★★★
6 months ago
Happy with my subscription
Recommended for anyone in my field. Pricing is fair for the value you get. The customization options let me tailor it to my exact workflow.
J
★★★★★
11 months ago
Okay product, not amazing
Does the job, nothing more. Pricing is fair for the value you get. The API is well-documented and easy to work with.
T
★★★★★
1 years ago
Not worth it for me
Had high hopes, fell short. The collaboration features are genuinely well thought-out. Performance is fast — no noticeable latency even on large inputs. A few missing integrations I'd like to see added.
K
★★★★★
1 years ago
Incredible — highly recommend
Absolutely love this tool. The recent updates have addressed most of my initial concerns. The AI doesn't just suggest — it learns from my preferences over time. The customization options let me tailor it to my exact workflow. Highly recommend.
M
★★★★★
1 years ago
Does the job well
Really solid tool overall. The customization options let me tailor it to my exact workflow. The API is well-documented and easy to work with. It integrates well with VS Code / Slack / Notion — my daily drivers. Highly recommend.
C
★★★★★
1 years ago
A must-have for any professional
This is exactly what I was looking for. The collaboration features are genuinely well thought-out. Performance is fast — no noticeable latency even on large inputs. The outputs require minimal editing — saves so much back-and-forth. Definitely worth trying.
D
★★★★★
1 years ago
Okay product, not amazing
Works okay, not life-changing. It integrates well with VS Code / Slack / Notion — my daily drivers. Occasional slowdowns during peak hours.
Alternatives
Similar tools worth comparing.
Harvey AI
AI legal assistant for law firms specializing in research, drafting, and contract review
Cerebras Inference
Cerebras wafer-scale chip inference — run Llama models at 2,000+ tokens/second, the world's fastest AI inference.
Langfuse
Open-source LLM observability — trace, evaluate and debug your AI applications with detailed prompt analytics.
Anthropic Claude API
Anthropic's API for Claude models — build AI applications with Claude 3.5 Sonnet, Haiku and Opus via a simple REST API.
Supabase AI
Supabase's AI features — vector embeddings, pgvector search and AI SQL assistant built into the open-source Firebase alternative.
Groq Cloud
Groq's LPU inference — the fastest LLM inference in the world, running Llama and Mistral at 500+ tokens/second.