DeltekThe Intelligent Platform for Project-Driven Work
vs
OdooOpen Source ERP and CRM
Comparison · ERP · weekly run Nov 2
Deltek vs Odoo
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Odoo is the stronger AI pick in ERP: it has a visibility score of 29.8 versus 2.2 for Deltek, and ranks ahead in 100% of the answers that name both.
Choose Deltek if…
- 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
- strong fit for government contractors
Choose Odoo if…
- You want the brand AI engines rank higher (29.8 vs 2.2)
- AI answers describe it more positively (46% vs 0% positive)
- You need ISO/IEC 27001:2022 or CSA STAR Level 1 coverage
- You prefer a larger, established vendor (5,000+ employees)
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Deltek | Odoo |
|---|---|---|
| Visibility score | 2.2% | 29.8% |
| Change vs last week | New | New |
| Rank in ERP | #19 | #4 |
| Share of voice | 1% | 8.1% |
| Mentions this run | 5 | 40 |
| Positive in AI answers | 0% | 46% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Deltek 0pp · Odoo 0pp over 0 weekly runs.
Engine by engine
Odoo leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
DeltekOdoo
Head to head in AI answers
3 engine answers name both brands
0Deltek ranked higher
3Odoo ranked higher
| Prompt | Engine | Deltek | Odoo |
|---|---|---|---|
| What are the best ERP tools in 2026? | Perplexity | #13 | #12 |
| Alternatives to the most popular ERP system | Perplexity | #14 | #9 |
| Official website of the top ERP system vendors | ChatGPT | #15 | #12 |
Features, pricing & fit
| Dimension | Deltek | Odoo |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | Free; paid from $31.1 per seat / mo |
| Free plan | — | Yes |
| Deployment | Cloud-first | Odoo Online cloud hosting, Odoo.sh for custom modules, and on-premise installation |
| Compliance | FedRAMP Moderate Authorization (Replicon), ISO/IEC 27001:2022 (Replicon), CSA STAR (Replicon, Costpoint, Maconomy), SOC 1, SOC 2, SOC 3 | ISO/IEC 27001:2022, CSA STAR Level 1 |
| Support | — | Email support, Monday to Friday, 24/5, in English, French, Spanish or Dutch, Paid implementation services through certified partners and Odoo |
| Founded | 1983 | 2005 |
| Headquarters | Herndon, Virginia, United States | Louvain-la-Neuve, Belgium |
| Employees | 1,001–5,000 | 5,000+ |
| Funding | Private equity round led by New Mountain Capital | Secondary round co-led by Alkeon Capital (about €60M) |
| Best for | Project-based businesses in government contracting, aerospace and defense, architecture and engineering, construction and consulting. | Micro, small and midsized companies that want many business apps on one platform; larger companies usually work with a partner. |
Plans side by side
Deltek
Pricing not available.
Odoo
One App Free$0forever
Standard$31.1user / month, billed yearly
Custom$61user / month, billed yearly
Pros and cons
Themes from the AI answers that mention each brand
Deltek
- suited to billing by time and talent
- well suited to highly specialized industries
- strong fit for government contractors
Odoo
- Free trial available (15 days, no credit card required)
- Free forever plan or open-source Community Edition
- Transparent pricing
- Modular, customizable suite covering CRM, accounting, and inventory
- Affordable and cost-effective for small businesses
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Deltek vs Odoo”, https://slateindex.ai/compare/deltek-vs-odoo, data of Nov 2, 2026. Licence: CC BY 4.0.