WeaviateVS
LangfuseWeaviate vs Langfuse
An in-depth comparison of Weaviate and Langfuse — pricing, features, ratings, and more.
Weaviate4.2
★★★★★
51 reviews
Langfuse4.8
★★★★★
38 reviews
Higher ratedSide-by-Side Comparison
Weaviate LangfuseCategory
AI Infrastructure
AI Infrastructure
Pricing
freemium
freemium
Pricing model
freemium
freemium
Rating
4.2 ★
4.8 ★
Reviews
51
38
Platforms
Cloud, Self-hosted
Cloud, Self-hosted
API Access
✓ Yes
✓ Yes
Open Source
✓ Yes
✓ Yes
Key Features
Weaviate- ✓ Semantic vector search
- ✓ Hybrid search (vector + BM25)
- ✓ Multi-tenancy support
- ✓ Serverless and managed cloud
- ✓ GraphQL and REST APIs
Langfuse- ✓ LLM call tracing
- ✓ LLM-as-judge evaluations
- ✓ Cost tracking by model
- ✓ Prompt versioning
- ✓ Self-hostable open source
Pros & Cons
WeaviatePros
- + Open source with managed cloud
- + Strong hybrid search
- + Active community
Cons
- − Complex for beginners
- − Cost scales with data
LangfusePros
- + Open source
- + Self-hostable
- + Strong evaluation features
Cons
- − UI less polished than paid alternatives
- − Setup required for self-host