Master data management · November 2026 Edition
AtroCore MDM vs Reltio Connected Data Platform
One of fourteen models named AtroCore MDM first on the direct prompt; zero named Reltio Connected Data Platform. AtroCore MDM was named by thirteen of the fourteen models and Reltio Connected Data Platform by fourteen and AtroCore MDM carries 25 labels and Reltio Connected Data Platform 49, so the shares are not directly comparable.
Named in one category this edition.
Reltio Connected Data Platform
accepted challengerNamed in one category this edition.
First-choice share23%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%22%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#6A position in a field of 13; printed, not drawn.
Labels2549A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, AtroCore MDM reading right to left. Rank and label count are printed, not drawn.Profisee MDM was named alongside these two in thirteen of the fourteen direct answers. Profisee MDM vs AtroCore MDM · Profisee MDM vs Reltio Connected Data Platform · AtroCore MDM vs Pimcore
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 master data management page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
AtroCore MDMFirst choices, of fourteen modelsReltio Connected Data PlatformDirect103 against Reltio Connected Data Platform
Paraphrase211 against Reltio Connected Data Platform
Comparative00
Budget-constrained1004 against Reltio Connected Data Platform
Scale-constrained001 against Reltio Connected Data Platform
Negative002 against Reltio Connected Data Platform
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, AtroCore MDM and Reltio Connected Data Platform were named in the same answer twenty-seven times, of the 70 answers naming AtroCore MDM and the 130 naming Reltio Connected Data Platform. In those answers Reltio Connected Data Platform took the first choice zero times and AtroCore MDM four.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where AtroCore MDM and Reltio Connected Data Platform stood in it.
| Model | DirectRC | ParaphraseRC | ComparativeRC | Budget-constrainedRC | Scale-constrainedRC | NegativeRC |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | RC | | ||||
| GPT-5.4 mini | RC | RC | ||||
| Gemini 3.5 Flash | RC | RC | RC | RC | ||
| Perplexity Sonar | | | RC | RC | ||
| Grok 4.20 | RC | RC | | RC | ||
| Mistral Small | | RC | | RC | ||
| DeepSeek V4 Flash | RC | RC | RC | RC | RC | |
| Llama 4 Maverick | | | ||||
| Qwen 3.7 Flash | RC | RC | RC | | ||
| Kimi K2 | RC | RC | | RC | RC | |
| GLM 4.7 FlashX | RC | | RC | |||
| MiniMax M2.5 | RC | RC | | |||
| GPT-6 Luna | RC | RC | RC | RC | ||
| Muse Glimmer 30B | RC | RC | | RC |
AtroCore MDMRC Reltio Connected Data Platform first choice named as an alternative argued againstblank: not namedEach cell is one answer, AtroCore MDM on the left and Reltio Connected Data Platform on the right.The direct prompt
The plain question, one answer per model, grouped by where AtroCore MDM and Reltio Connected Data Platform stood in it.
AtroCore MDM first, Reltio Connected Data Platform not the choice
1 of 14 modelsReltio Connected Data Platform was named in the answer but not as the choice, or not at all.Llama 4 MaverickAtroCore MDM
Neither was the first choice, one was named
7 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5Profisee MDM, Semarchy xDM alternatives: AtroCore MDM, Reltio Connected Data Platform
Gemini 3.5 FlashProfisee MDM alternatives: Ataccama ONE, Pimcore, Reltio Connected Data Platform, Semarchy xDM, Syndigo
Perplexity SonarSemarchy xDM alternatives: Ataccama ONE, AtroCore MDM, Profisee MDM
Grok 4.20Boomi MDM alternatives: AtroCore MDM, Pimcore, Profisee MDM, Reltio Connected Data Platform, Semarchy xDM, Syndigo
Mistral SmallProfisee MDM alternatives: AtroCore MDM, Semarchy xDM
MiniMax M2.5Boomi MDM, Semarchy xDM alternatives: AtroCore MDM, Pimcore, Profisee MDM, Reltio Connected Data Platform
Muse Glimmer 30Bno first choice alternatives: AtroCore MDM, Boomi Data Hub, Informatica MDM, Pimcore, Profisee MDM, Reltio Connected Data Platform, Sales Layer, Semarchy xDM, entitys
Neither was named
6 of 14 modelsThe answer made no first choice from these two in this category.GPT-5.4 miniSemarchy Data Platform alternatives: Profisee MDM, Stibo Systems STEP
DeepSeek V4 FlashProfisee MDM, Semarchy xDM alternatives: Boomi Data Hub
Qwen 3.7 FlashProfisee MDM alternatives: CluedIn, Semarchy xDM
Kimi K2Profisee MDM alternatives: Boomi Data Hub, Semarchy xDM
GLM 4.7 FlashXProfisee MDM, Semarchy xDM alternatives: Ataccama ONE, CluedIn, Riversand, SAP Master Data Governance, Stibo Systems STEP
GPT-6 LunaProfisee MDM alternatives: Semarchy xDM
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
AtroCore MDM leads by twenty points.
AtroCore MDM22%#2 of 15Reltio Connected Data Platform2%#7 of 15
The full small business standing →Mid-marketThe figures above
AtroCore MDM leads by twenty-one points.
AtroCore MDM23%#2 of 13Reltio Connected Data Platform2%#6 of 13
The full mid-market standing →Enterprise
The order flips: Reltio Connected Data Platform leads at enterprise.
Reltio Connected Data Platform11%#3 of 11
AtroCore MDM0%#– of 11What the models said about AtroCore MDM
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“I'd recommend starting with Boomi MDM if you want cloud convenience and quick deployment, or AtroCore if you prefer open-source flexibility and cost control” MiniMax M2.5 · paraphrase prompt · first choice
“likely to be an open-source option such as AtroCore or Pimcore, which offer cost-effective solutions with free editions and affordable paid tiers” Llama 4 Maverick · budget prompt · first choice
“AtroCore is the strongest open-source MDM option for B2B companies with GPLv3 license and API-first architecture” Claude Haiku 4.5 · budget prompt · first choice
What the models said about Reltio Connected Data Platform
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Avoid beginning with Informatica, Reltio, or similar enterprise platforms” Perplexity Sonar · budget prompt · hard negative
“Avoid: Enterprise platforms like ... Reltio” DeepSeek V4 Flash · budget prompt · hard negative
“Treat this as a strategic and roadmap risk to investigate, not evidence that Reltio's technology is deficient.” GPT-6 Luna · negative prompt · soft negative
“Reltio is widely cited as the best option for organizations moving away from heavy, legacy infrastructure toward a modern, real-time cloud solution.” Qwen 3.7 Flash · paraphrase prompt · first choice
“Reltio is frequently cited for its use-case-driven, graph-based approach that excels at customer and product data unification.” Qwen 3.7 Flash · comparative prompt · alternative
“Reltio is a cloud-native platform built around customer data and entity resolution across large record volumes.” Claude Haiku 4.5 · direct prompt · alternative
Also compared
Profisee MDM vs AtroCore MDMProfisee MDM vs Reltio Connected Data PlatformAtroCore MDM vs PimcoreAtroCore MDM vs Semarchy xDMAtroCore MDM vs Boomi MDMAtroCore MDM vs Informatica MDMPimcore vs Reltio Connected Data PlatformSemarchy xDM vs Reltio Connected Data PlatformBoomi MDM vs Reltio Connected Data PlatformReltio Connected Data Platform vs Informatica MDMAll twenty-one head-to-head pages and the full master data standing
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.