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Data catalogs and governance · November 2026 Edition

Alation vs Select Star

Zero of fourteen models named Alation first on the direct prompt; zero named Select Star. Alation was named by fourteen of the fourteen models and Select Star by eight and Alation carries 55 labels and Select Star 12, so the shares are not directly comparable.

Alation

criticized challenger

Named in four categories this edition.

Select Star

accepted challenger

Named in one category this edition.

First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate33%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#7#8A position in a field of 16; printed, not drawn.
Labels5512A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Alation reading right to left. Rank and label count are printed, not drawn.Atlan was named alongside these two in twelve of the fourteen direct answers. Atlan vs Alation · Atlan vs Select Star · OpenMetadata vs Alation

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the data catalogs and governance page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
AlationFirst choices, of fourteen modelsSelect Star
Direct005 against Alation
Paraphrase101 against Alation
Comparative10
Budget-constrained004 against Alation
Scale-constrained012 against Alation
Negative006 against Alation
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, Alation and Select Star were named in the same answer thirty-seven times, of the 171 answers naming Alation and the 47 naming Select Star. In those answers Select Star took the first choice ten times and Alation two.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Alation and Select Star stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Alation Select Star first choice named as an alternative argued againstblank: not namedEach cell is one answer, Alation on the left and Select Star on the right.

The direct prompt

The plain question, one answer per model, grouped by where Alation and Select Star stood in it.

Neither was the first choice, one was named

5 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniAtlan alternatives: Alation, DataHub, Dataplex, Microsoft Purview, OpenMetadata, Unity Catalog
Gemini 3.5 FlashAtlan alternatives: AWS Glue Data Catalog, Acryl Data, CastorDoc, Databricks Unity Catalog, OpenMetadata, Secoda, Select Star, Snowflake Horizon
Grok 4.20Atlan alternatives: DataHub, OpenMetadata, Secoda, Select Star
DeepSeek V4 FlashOvalEdge, Secoda alternatives: Atlan, DataHub, Select Star
Kimi K2CastorDoc, Secoda alternatives: Atlan, Select Star

Neither was named

9 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5no first choice
Perplexity SonarAtlan alternatives: Collibra, Microsoft Purview, OvalEdge, Secoda
Mistral SmallAtlan, Secoda
Llama 4 MaverickSecoda alternatives: Atlan, data.world
Qwen 3.7 FlashAtlan, Secoda alternatives: Coalesce Catalog, Microsoft Purview
GLM 4.7 FlashXAtlan alternatives: DataGalaxy, Dawiso, OpenMetadata, Zeenea
MiniMax M2.5Secoda alternatives: Atlan
GPT-6 LunaAtlan alternatives: OpenMetadata, Secoda, Your platform's built-in catalog
Muse Glimmer 30BSecoda alternatives: Dataedo, OvalEdge, data.world

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Select Star leads by sixteen points.
Select Star16%#3 of 16
Alation0%#16 of 16
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
Alation2%#7 of 16
Select Star2%#8 of 16
The full mid-market standing →
Enterprise
The order flips: Alation leads at enterprise.
Alation10%#3 of 11
Select Star0%#– of 11
The full enterprise standing →

What the models said about Alation

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“What to Avoid ... Enterprise tools like Collibra, Alation, or Atlan — Excellent products, but typically cost $50K–$200K+ annually.” Kimi K2 · budget prompt · hard negative
“priced at $60K–$198K+/year and works best with a mature governance program (15+ catalogers)” DeepSeek V4 Flash · direct prompt · hard negative
“Avoid expensive enterprise tools like Collibra ($100k+/year), Alation, and Atlan” DeepSeek V4 Flash · budget prompt · hard negative
“If your priority is user adoption and AI-driven discovery, look toward Alation.” Qwen 3.7 Flash · comparative prompt · first choice
“I'd lean Alation when the goal is fast adoption and cross-functional governance” GPT-5.4 mini · paraphrase prompt · first choice
“Generally Positive (The Standards): Alation, Collibra, Fiddler, and Microsoft Purview (with caveats on complexity) are generally viewed as robust” Qwen 3.7 Flash · negative prompt · alternative

What the models said about Select Star

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.

“Strongest fit for ~500 employees): *Examples:* Atlan, Select Star, Secoda, CastorDoc, DataHub” Gemini 3.5 Flash · scale prompt · first choice
“Best for Lean Teams & Quick Time-to-Value: Select Star, Secoda, or CastorDoc” Gemini 3.5 Flash · direct prompt · alternative
“Modern, lightweight SaaS catalogs (e.g., Atlan, Select Star, CastorDoc, Secoda)” Gemini 3.5 Flash · negative prompt · alternative
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.