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Master data management · October 2026 Edition

Reltio vs Ataccama ONE

Zero of fourteen models named Reltio first on the direct prompt; zero named Ataccama ONE. Reltio was named by fourteen of the fourteen models and Ataccama ONE by twelve and Reltio carries 40 labels and Ataccama ONE 25, so the shares are not directly comparable.

Reltio

accepted challenger

Named in one category this edition.

Ataccama ONE

accepted challenger

Named in three categories this edition.

First-choice share3%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate18%8%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#7A position in a field of 12; printed, not drawn.
Labels4025A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Reltio reading right to left. Rank and label count are printed, not drawn.Semarchy xDM was named alongside these two in twelve of the fourteen direct answers. Profisee MDM vs Reltio · Profisee MDM vs Ataccama ONE · Semarchy xDM vs Reltio

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.
ReltioFirst choices, of fourteen modelsAtaccama ONE
Direct002 against Reltio · 1 against Ataccama ONE
Paraphrase102 against Reltio
Comparative00
Budget-constrained001 against Reltio · 1 against Ataccama ONE
Scale-constrained11
Negative102 against Reltio
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 October 2026 Edition, Reltio and Ataccama ONE were named in the same answer thirty-seven times, of the 109 answers naming Reltio and the 105 naming Ataccama ONE. In those answers Ataccama ONE took the first choice one time and Reltio three.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Reltio and Ataccama ONE stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
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
Reltio Ataccama ONE first choice named as an alternative argued againstblank: not namedEach cell is one answer, Reltio on the left and Ataccama ONE on the right.

The direct prompt

The plain question, one answer per model, grouped by where Reltio and Ataccama ONE stood in it.

Neither was the first choice, one was named

8 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniSemarchy Data Platform alternatives: Reltio, Stibo Systems STEP
Gemini 3.5 FlashSemarchy xDM alternatives: Ataccama ONE, Pimcore, Profisee MDM
Perplexity SonarProfisee MDM alternatives: Ataccama ONE, Reltio, Semarchy xDM
Grok 4.1 FastProfisee MDM alternatives: Reltio, Semarchy xDM
Kimi K2Profisee MDM alternatives: Ataccama ONE, Boomi MDM, Semarchy xDM
MiniMax M2.5Profisee MDM, Semarchy xDM alternatives: Reltio
GPT-6 LunaSemarchy xDM alternatives: Profisee MDM, Reltio
Muse Glimmer 30BProfisee MDM alternatives: Ataccama ONE, Semarchy xDM

Neither was named

6 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Profisee MDM alternatives: Boomi Data Hub, Semarchy xDM
Mistral SmallProfisee MDM, Semarchy xDM
DeepSeek V4 FlashProfisee MDM, Semarchy xDM alternatives: AtroCore MDM
Llama 4 Maverickno first choice
Qwen 3.7 FlashProfisee MDM alternatives: Boomi Data Hub, Semarchy xDM, Syndigo
GLM 4.7 FlashXProfisee 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
Reltio leads by two points.
Reltio2%#7 of 11
Ataccama ONE0%#8 of 11
The full small business standing →
Mid-marketThe figures above
Reltio leads by two points.
Reltio3%#5 of 12
Ataccama ONE2%#7 of 12
The full mid-market standing →
Enterprise
Reltio leads by six points.
Reltio6%#5 of 8
Ataccama ONE0%#8 of 8
The full enterprise standing →

What the models said about Reltio

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 enterprise tools like Reltio/Ataccama unless budget allows” Grok 4.1 Fast · budget prompt · hard negative
“Reltio is commonly named for mid-market complexity but sits in the enterprise band... harder to justify for true mid-market budgets” Muse Glimmer 30B · direct prompt · soft negative
“Tools like Informatica MDM or Reltio ... these will likely result in a bloated project for a mid-sized business.” Qwen 3.7 Flash · paraphrase prompt · soft negative
“I recommend starting with a cloud-native, multi-domain MDM platform like Reltio, Profisee, or Semarchy” Mistral Small · scale prompt · first choice
“Reltio — Cloud-native, real-time, agile” Kimi K2 · negative prompt · first choice
“I would recommend Reltio first” Perplexity Sonar · paraphrase prompt · first choice

What the models said about Ataccama ONE

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

“Avoid enterprise tools like Reltio/Ataccama unless budget allows” Grok 4.1 Fast · budget prompt · hard negative
“suitable for upper mid-market to enterprise needs, but may be more complex or costly for smaller mid-market firms” Mistral Small · direct prompt · soft negative
“If you want enterprise power but manageable scale → Informatica or Ataccama” MiniMax M2.5 · scale prompt · first choice
“Ataccama: best if you want a broader AI-powered data management platform across cloud and hybrid environments.” Perplexity Sonar · direct prompt · alternative
“A unified platform that combines data quality, data profiling, and MDM. Excellent if your data is highly chaotic” Gemini 3.5 Flash · scale 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.