Best alternatives to Weaviate (2026)
15 verified data & analytics alternatives to Weaviate, machine-checked for live status, real pricing, and genuine free tiers.
| Tool | Free tier | API | Freshness | Key difference |
|---|---|---|---|---|
| PolymerFreemium | ✓ | — | 100 | No public API |
| CassidyFreemium | ✓ | — | 100 | No public API |
| LlamaIndexOpen source | — | ✓ | 100 | Data framework for LLM apps. |
| ChatbaseFreemium | ✓ | ✓ | 100 | Freemium pricing |
| QdrantOpen source | ✓ | ✓ | 100 | Open-source vector database. |
| LushaFreemium | ✓ | ✓ | 100 | Freemium pricing |
| RowsFreemium | ✓ | ✓ | 100 | Freemium pricing |
| ClayFreemium | ✓ | ✓ | 100 | Freemium pricing |
| Numerous AIFreemium | ✓ | — | 100 | No public API |
| HexFreemium | — | ✓ | 100 | Freemium pricing |
| MarqoOpen source | — | ✓ | 100 | Open-source vector search. |
| ThoughtSpotContact | — | ✓ | 100 | Contact pricing |
| Julius AIFreemium | ✓ | — | 100 | No public API |
| DataRobotContact | — | ✓ | 100 | Contact pricing |
| Read AIFreemium | ✓ | — | 100 | No public API |