Chroma vs Weaviate
| Feature | Chroma | Weaviate |
|---|---|---|
| Category | LLMs & AI Infra | LLMs & AI Infra |
| Sub-category | Vector DB | Vector DB |
| Maturity | stable | stable |
| Complexity | intermediate | intermediate |
| Performance tier | enterprise grade | enterprise grade |
| License | Apache-2.0 | BSD-3-Clause |
| License type | permissive | permissive |
| Pricing | fully free | fully free |
| GitHub stars | 17.0K | 12.0K |
| Contributors | 150 | 200 |
| Commit frequency | daily | daily |
| Plugin ecosystem | none | none |
| Docs quality | good | good |
| Backing org | Chroma | Weaviate |
| Funding model | vc_backed | vc_backed |
| Min RAM | 512 MB | 2 GB |
| Min CPU cores | 1 | 2 |
| Scaling pattern | single_node | horizontal |
| Self-hostable | Yes | Yes |
| K8s native | Yes | Yes |
| Offline capable | No | No |
| Vendor lock-in | none | none |
| Languages | Python, Rust | Go |
| API type | REST, gRPC | REST, gRPC |
| Protocols | HTTP | HTTP |
| Deployment | docker, binary | docker, binary |
| SDK languages | python, javascript, go, rust | python, javascript, go, rust |
| Team size fit | solo, small, medium, enterprise | solo, small, medium, enterprise |
| First release | 2021 | 2021 |
| Latest version | — | — |
When to use Chroma
- ✓ RAG retrieval backend for LLM applications
- ✓ Product recommendation via embedding similarity
- ✓ Semantic document search across knowledge base
- ✓ Image similarity search for e-commerce
When to use Weaviate
- ✓ RAG retrieval backend for LLM applications
- ✓ Product recommendation via embedding similarity
- ✓ Semantic document search across knowledge base
- ✓ Image similarity search for e-commerce
Chroma anti-patterns
- ✕ Not for billion-scale workloads
- ✕ Limited distributed capabilities
- ✕ Less feature-rich than Milvus/Qdrant
Weaviate anti-patterns
- ✕ Heavier than Chroma for simple use cases
- ✕ GraphQL API has learning curve
- ✕ Module system adds complexity