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ADempiereFree, GPL v2 licensed ERP
vs
DeltekThe Intelligent Platform for Project-Driven Work
Comparison · ERP · weekly run Nov 2

ADempiere vs Deltek

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Deltek is the stronger AI pick in ERP: it has a visibility score of 2.2 versus 0 for ADempiere.

Choose ADempiere if…

No clear advantage in the published data.

Choose Deltek if…

  • You want the brand AI engines rank higher (2.2 vs 0)
  • You need FedRAMP Moderate Authorization (Replicon) or ISO/IEC 27001:2022 (Replicon) or CSA STAR (Replicon, Costpoint, Maconomy) or SOC 1 or SOC 2 or SOC 3 coverage
  • suited to billing by time and talent
  • well suited to highly specialized industries

AI visibility side by side

Latest weekly run · Nov 2

Metric ADempiere Deltek
Visibility score0%2.2%
Change vs last weekNewNew
Rank in ERP#34#19
Share of voice0%1%
Mentions this run05
Positive in AI answers—0%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 2ADempiere 0%

ADempiere 0pp · Deltek 0pp over 0 weekly runs.

Engine by engine

Deltek leads on 3 of 3 engines

ChatGPT
0%
0.9%
AI Mode
0%
1.1%
Perplexity
0%
4.4%
ADempiereDeltek

Head to head in AI answers

0 engine answers name both brands

0ADempiere ranked higher
0Deltek ranked higher

Features, pricing & fit

DimensionADempiereDeltek
Deployment—Cloud-first
Compliance—FedRAMP Moderate Authorization (Replicon), ISO/IEC 27001:2022 (Replicon), CSA STAR (Replicon, Costpoint, Maconomy), SOC 1, SOC 2, SOC 3
SupportCommunity Discord rooms, Online documentation—
Founded20061983
Headquarters—Herndon, Virginia, United States
Employees—1,001–5,000
Funding—Private equity round led by New Mountain Capital
Best forOrganisations that want to avoid high licence costs and long-term commitments to a single software providerProject-based businesses in government contracting, aerospace and defense, architecture and engineering, construction and consulting.

Pros and cons

Themes from the AI answers that mention each brand

ADempiere

Profile in progress.

Deltek

  • suited to billing by time and talent
  • well suited to highly specialized industries
  • strong fit for government contractors

    Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

    Cite as: SlateIndex, “ADempiere vs Deltek”, https://slateindex.ai/compare/adempiere-vs-deltek, data of Nov 2, 2026. Licence: CC BY 4.0.