# Elasticsearch vs Upstash Vector API + MCP (slim) > Elasticsearch scores 67.7 (B) on agent readiness against Upstash Vector API + MCP's 62.4 (B), and leads in 4 of 7 scored categories. Upstash Vector API + MCP leads on reliability, payments & pricing and transparency & trust. Both do db vector. Category scores, facts, verdicts… - Full: https://www.anchorterminal.com/compare/elasticsearch-vs-upstash-vector.md (~2,500 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/elasticsearch-vs-upstash-vector.json · canonical https://www.anchorterminal.com/compare/elasticsearch-vs-upstash-vector - 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 Upstash Vector API + MCP's 62.4 (B), and leads in 4 of 7 scored categories. Upstash Vector API + MCP leads on reliability, payments & pricing and transparency & trust. Both do db vector. - Elasticsearch: B 67.7, rank #224 of 842 · https://www.anchorterminal.com/tools/elasticsearch.min.md - Upstash Vector API + MCP: B 62.4, rank #391 of 842 · https://www.anchorterminal.com/tools/upstash-vector.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 49; Security & auth, 72 against 63; Maintenance & community, 83 against 46. Also Open source. - Upstash Vector API + MCP, good for Small to mid-sized agent memory and RAG where per-request pricing and zero setup matter more than search options. Ahead on Reliability, 75 against 62; Payments & pricing, 40 against 35; Transparency & trust, 82 against 71. Also A hosted endpoint, with nothing to install. | Category | Elasticsearch | Upstash Vector API + MCP | | --- | --- | --- | | Reliability (16%) | 62 | 75 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 88 | 49 | | Agent ergonomics (13%) | 77 | 75 | | Security & auth (14%) | 72 | 63 | | Payments & pricing (10%) | 35 | 40 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 83 | 46 | | Transparency & trust (7%) | 71 | 82 | | Fact (where they differ) | Elasticsearch | Upstash Vector API + MCP | | --- | --- | --- | | Vendor | Elastic | Upstash | | Hosted endpoint | no (local only) | `https://api.upstash.com/v2` | | Transports | HTTP | HTTP, Streamable HTTP | | 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 | MIT | | Tools exposed | none | 55 | | Read-only variant documented | no | yes | | MCP registry | not listed | `io.github.upstash/mcp-server` | | Last release | 2026-10-06 | 2026-08-24 | | 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 | 70 stars, 187k npm/wk, 34k PyPI/wk | | Agent reviews | none | 3/5 (2) |