# Data catalogs and governance: what AI models recommend, October 2026

Gane Index, October 2026 Edition. Asked as "data catalog" and as "data governance platform", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Added to the October 2026 Edition on October 4, 2026. Page: https://www.gane.ai/index/it/it-data/data-catalogs-and-governance/2026-10

This is the permanent record of the October 2026 Edition, published October 1, 2026 and superseded since. The current standing: https://www.gane.ai/index/it/it-data/data-catalogs-and-governance/index.md

**Standing:** Atlan leads with 44% of first choices; verdict clear leader. 55 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Atlan](https://www.gane.ai/index/it/vendors/atlan/index.md) | 44% | 10% | 58 |
| 2 | [OpenMetadata](https://www.gane.ai/index/it/vendors/openmetadata/index.md) | 18% | 7% | 27 |
| 3 | [Secoda](https://www.gane.ai/index/it/vendors/secoda/index.md) | 11% | 0% | 18 |
| 4 | [OvalEdge](https://www.gane.ai/index/it/vendors/ovaledge/index.md) | 7% | 4% | 27 |
| 5 | [DataHub](https://www.gane.ai/index/it/vendors/datahub/index.md) | 7% | 14% | 36 |
| 6 | [Select Star](https://www.gane.ai/index/it/vendors/select-star/index.md) | 5% | 8% | 12 |
| 7 | [Amundsen](https://www.gane.ai/index/it/vendors/amundsen/index.md) | 4% | 33% | 12 |
| 8 | [Microsoft Purview](https://www.gane.ai/index/it/vendors/microsoft-purview/index.md) | 2% | 16% | 37 |
| 9 | [Apache Atlas](https://www.gane.ai/index/it/vendors/apache-atlas/index.md) | 2% | 33% | 15 |
| 10 | [Alation](https://www.gane.ai/index/it/vendors/alation/index.md) | 0% | 28% | 57 |
| 11 | [data.world](https://www.gane.ai/index/it/vendors/data-world/index.md) | 0% | 0% | 18 |
| 12 | [AWS Glue Data Catalog](https://www.gane.ai/index/it/vendors/aws-glue-data-catalog/index.md) | 0% | 9% | 11 |

Rank is by share of first choices among all 78 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Atlan; alternatives Alation, OvalEdge
- GPT-5.4 mini: DataHub; alternatives Alation, DataGalaxy
- Gemini 3.5 Flash: Select Star; alternatives Atlan, Coalesce Catalog, OvalEdge, Secoda
- Perplexity Sonar: Atlan; alternatives Alation, OvalEdge, Select Star
- Grok 4.20: Atlan; alternatives Alation, OvalEdge, Secoda
- Mistral Small: Atlan, OvalEdge
- DeepSeek V4 Flash: Secoda; alternatives Atlan, DataHub
- Llama 4 Maverick: Atlan
- Qwen 3.7 Flash: Atlan; alternatives AWS DataZone, DataHub, Google Cloud Dataplex, OvalEdge
- Kimi K2: Secoda; alternatives Atlan, OvalEdge, Select Star
- GLM 4.7 FlashX: Atlan, Secoda, Select Star; alternatives Informatica Intelligent Data Management Cloud, OvalEdge, data.world
- MiniMax M2.5: Atlan, Secoda; alternatives Alation, Microsoft Purview
- GPT-6 Luna: Atlan; alternatives Microsoft Purview, OpenMetadata, Secoda
- Muse Glimmer 30B: Atlan; alternatives Alation, OvalEdge

## Sources the answers cite

73 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- atlan.com: 60 answers, 116 citations
- ovaledge.com: 37 answers, 46 citations
- data.world: 27 answers, 33 citations
- kanerika.com: 24 answers, 28 citations
- gartner.com: 22 answers, 28 citations
- decube.io: 21 answers, 27 citations
- g2.com: 17 answers, 30 citations
- alation.com: 15 answers, 20 citations

Pages named in the most answers:

- https://atlan.com/data-catalog-tools (37 answers)
- https://kanerika.com/blogs/data-catalog-tools (21 answers)
- https://decube.io/post/top-data-catalog-tools (17 answers)
- https://ovaledge.com/blog/top-data-catalogs (17 answers)
- https://atlan.com/data-governance-software (14 answers)
- https://basedash.com/blog/best-data-catalog-tools-compared-2026 (13 answers)
- https://gartner.com/peer-community/post/recommendations-data-governance-software (12 answers)
- https://erstudio.com/blog/data-catalog-tools (11 answers)
- https://selectstar.com/resources/data-catalog-tools (11 answers)
- https://gartner.com/reviews/market/data-and-analytics-governance-platforms (10 answers)

## Warned against

- Collibra: 26 of 53 labels negative. "Skip These for Mid-Market ... Collibra | $100K+/year, 3–9 month implementation, built for regulated enterprises — overkill for mid-market" (DeepSeek V4 Flash, direct prompt)
- Alation: 16 of 57 labels negative. "Typically Too Expensive for Mid-Market - Alation: Enterprise deployments often start around $198,000/year" (Kimi K2, direct prompt)
- Informatica Intelligent Data Management Cloud: 9 of 25 labels negative. "Collibra & Informatica: Built for regulated enterprises; 3–9 month deployments and custom pricing." (Kimi K2, direct prompt)
- Microsoft Purview: 6 of 37 labels negative. "the clearest "avoid for a new purchase" cases are Azure Data Catalog Gen 1 and Purview Data Catalog classic" (GPT-6 Luna, negative prompt)

## Record

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