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

Gane Index, November 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 November 2026 Edition. Page: https://www.gane.ai/index/it/it-data/data-catalogs-and-governance/2026-11

**Standing:** Atlan leads with 35% of first choices; verdict contested. 63 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) | 35% | 5% | 57 |
| 2 | [OpenMetadata](https://www.gane.ai/index/it/vendors/openmetadata/index.md) | 16% | 13% | 38 |
| 3 | [Secoda](https://www.gane.ai/index/it/vendors/secoda/index.md) | 13% | 4% | 26 |
| 4 | [DataHub](https://www.gane.ai/index/it/vendors/datahub/index.md) | 11% | 23% | 47 |
| 5 | [Microsoft Purview](https://www.gane.ai/index/it/vendors/microsoft-purview/index.md) | 3% | 14% | 42 |
| 6 | [OvalEdge](https://www.gane.ai/index/it/vendors/ovaledge/index.md) | 3% | 8% | 13 |
| 8 | [Alation](https://www.gane.ai/index/it/vendors/alation/index.md) | 2% | 33% | 55 |
| 9 | [Select Star](https://www.gane.ai/index/it/vendors/select-star/index.md) | 2% | 0% | 12 |
| 11 | [data.world](https://www.gane.ai/index/it/vendors/data-world/index.md) | 2% | 14% | 14 |
| 16 | [Apache Atlas](https://www.gane.ai/index/it/vendors/apache-atlas/index.md) | 2% | 50% | 14 |
| 17 | [Collibra](https://www.gane.ai/index/it/vendors/collibra/index.md) | 2% | 52% | 58 |
| 18 | [Databricks Unity Catalog](https://www.gane.ai/index/it/vendors/databricks-unity-catalog/index.md) | 0% | 25% | 20 |

Rank is by share of first choices among all 92 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: no first choice
- GPT-5.4 mini: Atlan; alternatives Alation, DataHub, Dataplex, Microsoft Purview
- Gemini 3.5 Flash: Atlan; alternatives AWS Glue Data Catalog, Acryl Data, CastorDoc, Databricks Unity Catalog
- Perplexity Sonar: Atlan; alternatives Collibra, Microsoft Purview, OvalEdge, Secoda
- Grok 4.20: Atlan; alternatives DataHub, OpenMetadata, Secoda, Select Star
- Mistral Small: Atlan, Secoda
- DeepSeek V4 Flash: OvalEdge, Secoda; alternatives Atlan, DataHub, Select Star
- Llama 4 Maverick: Secoda; alternatives Atlan, data.world
- Qwen 3.7 Flash: Atlan, Secoda; alternatives Coalesce Catalog, Microsoft Purview
- Kimi K2: CastorDoc, Secoda; alternatives Atlan, Select Star
- GLM 4.7 FlashX: Atlan; alternatives DataGalaxy, Dawiso, OpenMetadata, Zeenea
- MiniMax M2.5: Secoda; alternatives Atlan
- GPT-6 Luna: Atlan; alternatives OpenMetadata, Secoda, Your platform's built-in catalog
- Muse Glimmer 30B: Secoda; alternatives Dataedo, OvalEdge, data.world

## Sources the answers cite

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

- atlan.com: 42 answers, 78 citations
- erstudio.com: 24 answers, 24 citations
- ovaledge.com: 23 answers, 35 citations
- kanerika.com: 20 answers, 22 citations
- g2.com: 19 answers, 38 citations
- decube.io: 16 answers, 18 citations
- github.com: 15 answers, 20 citations
- softwareadvice.com: 15 answers, 16 citations

Pages named in the most answers:

- https://erstudio.com/blog/data-catalog-tools (21 answers)
- https://ovaledge.com/blog/top-data-catalogs (17 answers)
- https://atlan.com/data-catalog-tools (16 answers)
- https://kanerika.com/blogs/data-catalog-tools (16 answers)
- https://decube.io/post/top-data-catalog-tools (11 answers)
- https://datadrivendaily.com/data-catalog-tools-compared-the-2026-guide (10 answers)
- https://atlan.com/data-governance-tools (9 answers)
- https://dqlabs.ai/blog/best-data-catalog-tools-in-2026-a-practitioners-buyer-guide (9 answers)
- https://softwareadvice.com/data-catalog (9 answers)
- https://atlan.com/know/data-catalog/open-source-vs-commercial-data-catalog-total-cost-of-ownership (8 answers)

## Warned against

- Collibra: 30 of 58 labels negative. "Collibra announced end-of-life for Collibra Data Governance Center (DGC)... Avoid or postpone if: You're being sold a platform that's sunsetting its on-premises offering (like Collibra DGC)" (Kimi K2, negative prompt)
- DataHub: 11 of 47 labels negative. "Clunky/difficult interface compared to commercial alternatives ... Open-source options (DataHub) viable but require engineering investment" (MiniMax M2.5, negative prompt)
- Informatica Intelligent Data Management Cloud: 19 of 31 labels negative. "Avoid Collibra/Informatica unless you have dedicated data stewards and $100K+ budget" (Kimi K2, paraphrase prompt)
- Alation: 18 of 55 labels negative. "What to Avoid ... Enterprise tools like Collibra, Alation, or Atlan — Excellent products, but typically cost $50K–$200K+ annually." (Kimi K2, budget prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: Atlan at 35%.

- Atlan: 44% to 35%, −9. Inside the floor by 2 points · rank 1 of 92, unchanged.
- DataHub: 7% to 11%, +4. Inside the floor by 7 points · rank 5 → 4 of 92.
- OvalEdge: 7% to 3%, −4. Inside the floor by 7 points · rank 4 → 6 of 92.
- Amundsen: 4% to 0%, −4. Inside the floor by 7 points · rank 7 → 91 of 92.
- Select Star: 5% to 2%, −3. Inside the floor by 8 points · rank 6 → 9 of 92.
- OpenMetadata: 18% to 16%, −2. Inside the floor by 9 points · rank 2 of 92, unchanged.
- Secoda: 11% to 13%, +2. Inside the floor by 9 points · rank 3 of 92, unchanged.
- Alation: 0% to 2%, +2. Inside the floor by 9 points · rank 10 → 8 of 92.
- data.world: 0% to 2%, +2. Inside the floor by 9 points · rank 11 of 92, unchanged.
- Collibra: 0% to 2%, +2. Inside the floor by 9 points · rank 78 → 17 of 92.
- Microsoft Purview: 2% to 3%, +1. Inside the floor by 10 points · rank 8 → 5 of 92.
- Apache Atlas: 2% to 2%, ±0. Inside the floor by 11 points · rank 9 → 16 of 92.

## 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.