Celonis vs LlamaIndex: who uses which
Customers, public proof and the companies that use both.
On usedby, 14 companies use Celonis and 48 use LlamaIndex. 1 company uses both, including Pepsico.Latest check Oct 8, 2026: 62 of 62 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses Celonis, LlamaIndex, or both
Every company with a public proof for at least one of the two tools.
13
use only Celonis
1
company uses both
47
use only LlamaIndex
13 companies use only Celonis, 47 use only LlamaIndex and 1 uses both, out of the 61 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 8, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 Pepsico |
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Celonis
LlamaIndexWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Celonis
Increased operational visibility plus smart automation have led to a 20% productivity increase.
Vinmar
Vendor case study, celonis.com, captured Oct 8, 2026
Up to 28 days reduction in order cycle time
Cosentino
Vendor case study, celonis.com, captured Oct 8, 2026
LlamaIndex
Lyzr's annual recurring revenue jumped from around $100,000 to about $1.5 million in less than 60 days.
Lyzr AI
Vendor case study, llamaindex.ai, captured Oct 7, 2026
20% increase in digital lead to sales conversion
GymNation
Vendor case study, llamaindex.ai, captured Oct 7, 2026
Questions about Celonis and LlamaIndex
Which is used more, Celonis or LlamaIndex?
LlamaIndex has more customers on usedby: 48 against 14 for Celonis.
Do companies use both Celonis and LlamaIndex?
Yes. 1 company uses both on usedby, including Pepsico.
Who uses Celonis?
14 companies on usedby, each with the public page that shows it. See who uses Celonis.
Who uses LlamaIndex?
48 companies on usedby, each with the public page that shows it. See who uses LlamaIndex.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.