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

IT AI Recommendation 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; its answers are read by the distilled judge (ai-indexes-judge-qwen3-14b-run3), not the claude-opus-5 judge of the earlier categories. Page: https://it-ai-index.com/it-data/data-catalogs-and-governance/

**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

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Atlan | 44% | 10% | 58 |
| 2 | OpenMetadata | 18% | 7% | 27 |
| 3 | Secoda | 11% | 0% | 18 |
| 4 | OvalEdge | 7% | 4% | 27 |
| 5 | DataHub | 7% | 14% | 36 |
| 6 | Select Star | 5% | 8% | 12 |
| 7 | Amundsen | 4% | 33% | 12 |
| 8 | Microsoft Purview | 2% | 14% | 35 |
| 9 | Apache Atlas | 2% | 33% | 15 |
| 10 | Alation | 0% | 28% | 57 |
| 11 | data.world | 0% | 0% | 18 |
| 12 | AWS Glue Data Catalog | 0% | 9% | 11 |

## 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 4.1 Fast: 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 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: 5 of 35 labels negative. "user feedback and reviews frequently highlight immense friction, spotty lineage, and high database scanning costs when trying to integrate Purview with non-Microsoft environments" (Gemini 3.5 Flash, negative prompt)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, October 2026 Edition, it-ai-index.com.