# LanceDB vs Weaviate API + MCP (slim)

> Weaviate API + MCP has a score of 68.2 (B) against LanceDB's 65.4 (B). Both do db vector. The largest gap is reliability, 40 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/lancedb-vs-weaviate.md (~1,500 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/lancedb-vs-weaviate.json · canonical https://www.anchorterminal.com/compare/lancedb-vs-weaviate
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

Weaviate API + MCP has a score of 68.2 (B) against LanceDB's 65.4 (B). Both do db vector. The largest gap is reliability, 40 points.

- LanceDB: B 65.4, rank #174 of 452 · https://www.anchorterminal.com/tools/lancedb.min.md
- Weaviate API + MCP: B 68.2, rank #131 of 452 · https://www.anchorterminal.com/tools/weaviate.min.md
- Pick LanceDB for reliability (+40), transparency & trust (+8). Pick Weaviate API + MCP for agent ergonomics (+18), security & auth (+35), payments & pricing (+20).

| Category | LanceDB | Weaviate API + MCP |
| --- | --- | --- |
| Reliability (16%) | 75 | 35 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 81 | 82 |
| Agent ergonomics (13%) | 74 | 92 |
| Security & auth (14%) | 44 | 79 |
| Payments & pricing (10%) | 20 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 93 | 90 |
| Transparency & trust (7%) | 79 | 71 |