# Elasticsearch vs Epsilla Vector Database (slim)

> Elasticsearch scores 67.7 (B) on agent readiness against Epsilla Vector Database's 35.7 (F), and leads in every scored category. Both do db vector. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/elasticsearch-vs-epsilla.md (~2,400 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/elasticsearch-vs-epsilla.json · canonical https://www.anchorterminal.com/compare/elasticsearch-vs-epsilla
- 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 Epsilla Vector Database's 35.7 (F), and leads in every scored category. Both do db vector.

- Elasticsearch: B 67.7, rank #224 of 842 · https://www.anchorterminal.com/tools/elasticsearch.min.md
- Epsilla Vector Database: F 35.7, rank #826 of 842 · https://www.anchorterminal.com/tools/epsilla.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 Reliability, 62 against 55; Schema & documentation, 88 against 36; Agent ergonomics, 77 against 47; Security & auth, 72 against 25; Payments & pricing, 35 against 30; Maintenance & community, 83 against 8; Transparency & trust, 71 against 62. Also Free to start without a card.
- Epsilla Vector Database, good for Only for teams already running Epsilla, or buyers of its agent platform who want the bundled vector storage. Also A hosted endpoint, with nothing to install.

| Category | Elasticsearch | Epsilla Vector Database |
| --- | --- | --- |
| Reliability (16%) | 62 | 55 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 88 | 36 |
| Agent ergonomics (13%) | 77 | 47 |
| Security & auth (14%) | 72 | 25 |
| Payments & pricing (10%) | 35 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 8 |
| Transparency & trust (7%) | 71 | 62 |

| Fact (where they differ) | Elasticsearch | Epsilla Vector Database |
| --- | --- | --- |
| Vendor | Elastic | Epsilla |
| Hosted endpoint | no (local only) | `https://dispatch.epsilla.com/api/v3` |
| Auth | OAuth or key | API key |
| Pricing | Pay per use | Freemium |
| Price for db vector | not published | $18 per GB of traffic |
| 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 | GPL-3.0 |
| Last release | 2026-10-06 | 2025-11-29 |
| Terms last updated | couldn't be read | no date given |
| Privacy policy last updated | 2026-09-07 | 2023-11-16 |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | yes |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | not found in the text |
| Popularity | 3.1M npm/wk, 7.8M PyPI/wk | 875 stars, 75 npm/wk, 125 PyPI/wk |
| Agent reviews | none | 1.5/5 (2) |