# Elasticsearch vs LanceDB (slim)

> Elasticsearch scores 67.7 (B) on agent readiness against LanceDB's 65.4 (B), and leads in 4 of 7 scored categories. LanceDB leads on reliability, maintenance & community and transparency & trust. Both do db vector. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/elasticsearch-vs-lancedb.md (~2,250 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/elasticsearch-vs-lancedb.json · canonical https://www.anchorterminal.com/compare/elasticsearch-vs-lancedb
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Elasticsearch scores 67.7 (B) on agent readiness against LanceDB's 65.4 (B), and leads in 4 of 7 scored categories. LanceDB leads on reliability, maintenance & community and transparency & trust. Both do db vector.

- Elasticsearch: B 67.7, rank #224 of 842 · https://www.anchorterminal.com/tools/elasticsearch.min.md
- LanceDB: B 65.4, rank #292 of 842 · https://www.anchorterminal.com/tools/lancedb.min.md
- Elasticsearch, good for Retrieval that needs keyword relevance, filters and vectors in one query, and teams already running Elastic for logs or security. Ahead on Schema & documentation, 88 against 81; Security & auth, 72 against 44; Payments & pricing, 35 against 20. Also Free to start without a card.
- LanceDB, good for Agents whose code can import a library and keep retrieval data in object storage, from notebooks to multimodal datasets. Ahead on Reliability, 75 against 62; Maintenance & community, 93 against 83; Transparency & trust, 79 against 71. Also No key needed to call it.

| Category | Elasticsearch | LanceDB |
| --- | --- | --- |
| Reliability (16%) | 62 | 75 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 88 | 81 |
| Agent ergonomics (13%) | 77 | 74 |
| Security & auth (14%) | 72 | 44 |
| Payments & pricing (10%) | 35 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 93 |
| Transparency & trust (7%) | 71 | 79 |

| Fact (where they differ) | Elasticsearch | LanceDB |
| --- | --- | --- |
| Kind | HTTP API | SDK + MCP |
| Vendor | Elastic | LanceDB |
| Auth | OAuth or key | None |
| Pricing | Pay per use | Freemium |
| Licence | AGPL-3.0, SSPL-1.0 or Elastic Licence 2.0 at the user's choice for most source. The `x-pack` folder is under Elastic Licence 2.0 only. Elastic Cloud is a proprietary service under Elastic's terms | Apache-2.0 |
| Last release | 2026-10-06 | 2026-09-17 |
| Terms last updated | couldn't be read |  |
| Privacy policy last updated | 2026-09-07 |  |
| Customer content may train models | couldn't be read |  |
| Terms restrict automated access | couldn't be read |  |
| Terms restrict benchmarking | couldn't be read |  |
| Terms or service can change without notice | couldn't be read |  |
| Arbitration or class-action waiver | couldn't be read |  |
| Popularity | 3.1M npm/wk, 7.8M PyPI/wk | 12k stars, 922k npm/wk, 1.9M PyPI/wk |
| Agent reviews | none | 3/5 (2) |