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C3 AI vs Celonis comparison

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Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

C3 AI
Ranking in AI Data Analysis
19th
Average Rating
7.2
Number of Reviews
4
Ranking in other categories
AI Customer Experience Personalization (18th), AI Sales & Marketing (10th), AI Content Creation (13th), AI Procurement & Supply Chain (5th)
Celonis
Ranking in AI Data Analysis
10th
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
60
Ranking in other categories
Process Mining (2nd)
 

Mindshare comparison

As of October 2026, in the AI Data Analysis category, the mindshare of C3 AI is 0.5%, up from 0.4% compared to the previous year. The mindshare of Celonis is 0.4%. It is calculated based on PeerSpot user engagement data.
AI Data Analysis Mindshare Distribution
ProductMindshare (%)
Celonis0.4%
C3 AI0.5%
Other99.1%
AI Data Analysis
 

Featured Reviews

reviewer2795349 - PeerSpot reviewer
Group Head of Data Strategy & Enterprise Governance at a consumer goods company with 10,001+ employees
Struggled to justify enterprise adoption but have valued broader developer accessibility
If I could change or add anything to improve C3 AI, I would suggest making it not just an AI platform, but a data and AI combined platform, as bringing in data management elements, governance, and cloud features is critical. The real AI and modeling represent only 20 percent of what is needed; there is over 80 percent in the rest of the world that should be addressed. Given Tom Siebel's deep understanding of corporate work and his network, integrating C3 AI with other ERP solutions such as Oracle, SAP, or Microsoft is essential. If C3 AI can be an enterprise platform, embedding more data elements and ensuring seamless integration with other ERP solutions would significantly enhance its capabilities and attractiveness. If someone told me that they have SAP, and C3 AI can seamlessly integrate the data and perform action calls between SAP, allowing me to operate on C3 AI as I would on SAP, that would be a killer feature for me. I would suggest avoiding traditional licensing sales as it is too expensive; the starting price is too high. Considering a subscription model or a pay-per-use model is the best business structure for AI or data solution vendors. The pay-per-use model benefits usage, as the more you use, the more successful you become with the platform.
Prateek Rao - PeerSpot reviewer
PARTNER & MANAGING DIRECTOR at a financial services firm with 5,001-10,000 employees
Process intelligence has transformed procurement and order cycles and delivers measurable savings
Celonis can improve in several areas. The initial data modeling and continuous real-time ingestion, especially from non-standard legacy systems, can still be complex and quite resource-intensive, requiring a steep PQL learning curve for non-technical users. Simplifying the interface for business stakeholders would significantly accelerate the process. I think introducing a natural language to query interface would allow business users to query data without writing long PQL. Streamlining guided onboarding flows and offering modular plug-and-play dashboard templates tailored to specific roles would shorten ramp-up time for daily users. I think more transparent and predictable consumption-based pricing models would be helpful as data volume scaling can get costly quickly. I would also love to see native, real-time streaming connectors for unstructured data such as emails and support tickets. The learning curve for new users of Celonis is one of the pain points I raised earlier, and I find it to be quite steep.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The biggest strength of C3 AI is how much it handles in one platform: data integration, model deployment, governance, monitoring, and application development."
"One of the best features C3 AI offers is that you do not need to learn Python or any specific machine learning programming language; you can use C3 AI with JavaScript."
"I have noticed improvements in efficiency, reduced downtime, and time saved for my team, as it is quite integrated through the source ML pipeline to report to general customer UI, functioning as one platform that takes care of everything, thus improving efficiency, optimization, and increasing project deliverables."
"In the first phase alone, there was approximately $90 million in savings, which reduced about 5% of inventory."
"Celonis is a very good tool, and as for alternatives, it is the best actually in the market."
"The support we receive from Celonis is good."
"The process mapping is most valuable to us."
"After implementing this Action Flow, our normal ServiceNow ticketing has been reduced by 70 percent, and vendors are utilizing the Action Flow extensively."
"The product helps clients visualize potential savings by minimizing human errors and reducing manual work."
"Celonis has positively impacted my organization as it holds a Titanium partnership with Celonis."
"We have found the Orient Explorer to be a valuable feature."
"The most valuable features are process mining, task mining, business analytics, and machine learning."
 

Cons

"We even failed to open any doors for C3 AI; there are no smaller wins, learning opportunities, or process improvements, even if the main goals were not met."
"C3 AI can feel very enterprise-heavy. For smaller teams, it may feel excessive."
"However, I sometimes hear from colleagues that hallucination is an issue."
"The reason I chose eight out of ten is that as a user of C3 AI, I found the operational aspect not easy to understand; it is a bit tricky, and you should have more core knowledge to navigate C3 AI."
"We want to see its linkage to Robotic Process Automation. We would also like to see how can it lead to the implementation side and whether the transition is smooth."
"Similar to what SAP is doing with S/4HANA, Celonis should allow business users to create their own analytics tab. In my previous organization, business analysts were the only ones who were actively building these reports with Celonis, whereas SAP platforms are now allowing the business users to create their own reports with graphics and all other things based on the data that is presented. This is one thing that Celonis needs. Currently, just the technical teams are doing that. Sometimes, when we were looking at five years of data, it used to take up to 3 seconds. It wasn't bad, but we had to wait a little bit. It probably also had to do with the server. I don't know if it can be used on mobile devices. If not, that will be the way to go. They should mobilize it to allow people to see these reports on their mobile devices."
"Another area of improvement is implementation. So, in future releases, I would like to see a more streamlined implementation process would be appreciated, making it less time-consuming and more efficient."
"The UI could be improved."
"Celonis could improve by expanding its use beyond finance areas into infrastructure domains, such as networks and server utilization."
"Celonis is expensive, but it is functional."
"They should provide a community edition license so that everyone can deploy or install it on their own system and get more hands-on experience with the product."
"Celonis does not provide a detailed picture of user activities within processes because it relies on event logs from ERP systems."
 

Pricing and Cost Advice

Information not available
"The price could be better. If you ask a customer, they will always say it's highly-priced. In my personal opinion, the cost can be at the lower end. I think it's suitable for large organizations at this point in time."
"It is an expensive solution."
"The cost of the software for us or the client is on the higher end."
"Celonis is a little more expensive than UiPath."
"Once we try to scale it up, the product becomes expensive."
"Evaluating the price of the solution can be a difficult question. It is all about the business case and the return of the investments. That is typically how we also see this type of solution. It depends very much on the return. The entry-level is focused on enterprise size companies, for the SMB segment is it is out of their range. It is definitely expensive."
"Celonis is expensive, but it is functional."
"Celonis is cost-effective."
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Top Industries

By visitors reading reviews
Construction Company
25%
Comms Service Provider
12%
Manufacturing Company
11%
Energy/Utilities Company
9%
Manufacturing Company
17%
Outsourcing Company
8%
Financial Services Firm
8%
Computer Software Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise1
Large Enterprise3
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise6
Large Enterprise47
 

Questions from the Community

What is your experience regarding pricing and costs for C3 AI?
The pricing for C3 AI was quite high compared to other smaller AI platforms and open-source alternatives we had explored. Initially, we were cautious due to the significant investment involved.
What needs improvement with C3 AI?
C3 AI can feel very enterprise-heavy. For smaller teams, it may feel excessive. Some workflows also feel more complex than they need to be. Overall, it is a good product, but the platform can feel ...
What is your primary use case for C3 AI?
I have been using C3 AI for roughly eight to ten months as part of a small engineering team working on operational analytics. We primarily use it for predictive maintenance and some newer generativ...
Which is better - Signavio Process Manager or Celonis?
SAP Signavio Process Manager is a very robust industrial-grade business process modeling tool. It is easy to use and does not require too much technological involvement. This solution has a collabo...
What is your experience regarding pricing and costs for Celonis?
I am not heavily involved in that particular aspect, but I have heard that Celonis is somewhat expensive.
What needs improvement with Celonis?
Celonis can improve in several areas. The initial data modeling and continuous real-time ingestion, especially from non-standard legacy systems, can still be complex and quite resource-intensive, r...
 

Comparisons

 

Overview

 

Sample Customers

Information Not Available
Anheuser-Busch InBev, AXA, Bayer, Cisco, Deloitte, Deutsche Telekom, Hitachi, Kellogg's, Lufthansa, and Whirlpool
Find out what your peers are saying about C3 AI vs. Celonis and other solutions. Updated: September 2026.
915,341 professionals have used our research since 2012.