# OpenSearch: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 19 judge labels across 8 categories by 8 of 14 models. Page: https://www.gane.ai/index/it/vendors/opensearch

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Log management](https://www.gane.ai/index/it/operations/log-management/index.md) | 0% | 48 | 43% | 7 |
| [Vector databases](https://www.gane.ai/index/it/it-data/vector-databases/index.md) | 0% | 18 | 25% | 4 |
| [NoSQL databases](https://www.gane.ai/index/it/it-data/nosql-databases/index.md) | 0% | 24 | 0% | 3 |
| [Infrastructure monitoring](https://www.gane.ai/index/it/operations/infrastructure-monitoring/index.md) | 0% | 43 | 0% | 1 |
| [Observability platforms](https://www.gane.ai/index/it/operations/observability-platforms/index.md) | 0% | 64 | 100% | 1 |
| [SIEM platforms](https://www.gane.ai/index/it/security/siem-platforms/index.md) | 0% | 46 | 0% | 1 |
| [Telemetry pipelines](https://www.gane.ai/index/it/operations/telemetry-pipelines/index.md) | 0% | 90 | 100% | 1 |
| [Time series databases](https://www.gane.ai/index/it/it-data/time-series-databases/index.md) | 0% | 53 | 100% | 1 |

## What the models said for it

- "Elasticsearch / OpenSearch | Best if you already run it for search; good hybrid search capabilities" (DeepSeek V4 Flash, Vector databases)
- "Pick OpenSearch if you need hybrid keyword + vector search in the same search engine" (GPT-5.4 mini, Vector databases)
- "OpenSearch (a fork of Elasticsearch) is a strong, community-driven alternative" (Grok 4.20, Logs)
- "OpenSearch (Apache 2.0) | Community-driven, AWS-compatible, no vendor control" (Kimi K2, Logs)

## And against it

- "show catastrophic performance variance (CV=39–94%), high baseline latency ... When to avoid: High-scale semantic search or low-latency apps." (Grok 4.20, Vector databases)
- "Traditional log engines like Elasticsearch/OpenSearch build heavy inverted indexes ... driving up disk and RAM costs massively" (Gemini 3.5 Flash, Telemetry pipelines)
- "Open source stacks like ELK / OpenSearch are valued for flexibility but seen as operationally risky" (Muse Glimmer 30B, Observability)
- "Requires significantly more RAM and CPU compared to Loki or Axiom due to JVM memory overhead" (Gemini 3.5 Flash, Logs)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 1 | 0 | 0 | 1 |
| Gemini 3.5 Flash | 0 | 1 | 1 | 5 | 7 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 1 | 0 | 1 | 2 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 1 | 0 | 0 | 1 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 1 | 1 | 0 | 2 |
| Kimi K2 | 0 | 2 | 0 | 0 | 2 |
| GLM 4.7 FlashX | 0 | 1 | 0 | 0 | 1 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 1 | 1 | 1 | 3 |

## Sources returned with these answers

The sites and pages cited by the answers that named OpenSearch, from 41 of the 51 answers that named it (only the models that return a source list).

### Domains cited

- github.com: 15
- reddit.com: 13
- ciopages.com: 7
- dev.to: 7
- linkedin.com: 7
- posthog.com: 7
- docs.aws.amazon.com: 6
- g2.com: 6
- aws.amazon.com: 5
- bigdataboutique.com: 5

### Pages cited

- https://posthog.com/compare/best-log-monitoring-tools: 6
- https://bigdataboutique.com/blog/best-log-management-tools: 4
- https://docs.aws.amazon.com/pdfs/prescriptive-guidance/latest/choosing-an-aws-vector-database-for-rag-use-cases/choosing-an-aws-vector-database-for-rag-use-cases.pdf: 4
- https://atlan.com/know/top-vector-databases-enterprise-ai: 3
- https://ciopages.com/buyer-guides/log-management: 3
- https://coralogix.com/guides/top-log-management-tools-compared: 3
- https://dev.to/devrudals/enterprise-vector-database-2026-qdrant-vs-milvus-vs-pgvector-vs-pinecone-16a0: 3
- https://grepr.ai/blog/best-log-management-tools-in-2026-a-realists-buying-guide: 3

## In its own words

What OpenSearch's own pages state, read 2026-09-28. Stated by the vendor, not checked by the index.

- Positioning: The open engine for AI-powered search and observability (https://opensearch.org/)
- For: enterprise-grade applications across search, observability, security analytics, and more (https://opensearch.org/platform)
- Price stated: no licensing fees (https://opensearch.org/platform)
- Customers named: Pinterest, OpenInfra Foundation, Zoom, Dow Jones, Goldman Sachs, Quantiphi, Wipro, Coralogix

## What it publishes

Every page opensearch.org exposes, read 2026-09-29: 3454 addresses. By kind, pages and the last 90 days:

- blog: 530 pages, 26 in the last 90 days, latest 2026-09-25
- case study: 11 pages, 1 in the last 90 days, latest 2026-09-22
- webinar or virtual event: 9 pages, 2 in the last 90 days, latest 2026-07-22
- conference or event: 509 pages, 24 in the last 90 days, latest 2026-09-23
- report or ebook: 5 pages, 0 in the last 90 days, latest 2026-04-24
- comparison: 6 pages, 0 in the last 90 days, latest 2026-06-12
- template or tool: 33 pages, 0 in the last 90 days, latest undated
- glossary or explainer: 2 pages, 0 in the last 90 days, latest 2021-08-27
- podcast or video: 3 pages, 0 in the last 90 days, latest 2026-01-21
- news or press: 19 pages, 4 in the last 90 days, latest 2026-09-22
- Recent: 2026-09-25 blog: Opensearch kubernetes operator 3 0 is now generally available https://opensearch.org/blog/opensearch-kubernetes-operator-3-0-is-now-generally-available
- Recent: 2026-09-23 conference or event: Washington dc user group october 22 2026 https://opensearch.org/event/washington-dc-user-group-october-22-2026
- Recent: 2026-09-22 news or press: Opensearch software foundation expands enterprise ecosystem with new members https://opensearch.org/announcements/opensearch-software-foundation-expands-enterprise-ecosystem-with-new-members
- Recent: 2026-09-22 news or press: Opensearch software foundation and linux foundation research report finds organizations seek neutral data infrastructure https://opensearch.org/announcements/opensearch-software-foundation-and-linux-foundation-research-report-finds-organizations-seek-neutral-data-infrastructure-as-global-ai-implementation-peaks
- Recent: 2026-09-22 case study: Your store wizards scales opensearch to millions of weekly queries saving over 2000 hours a year https://opensearch.org/case-studies/your-store-wizards-scales-opensearch-to-millions-of-weekly-queries-saving-over-2000-hours-a-year
- Recent: 2026-09-21 blog: Expanding the opensearch community welcoming our new opensearch ambassadors https://opensearch.org/blog/expanding-the-opensearch-community-welcoming-our-new-opensearch-ambassadors

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/it.