On usedby, 13 companies use CrewAI and 16 use Mem0. 2 companies use both, including Amazon and PWC.Latest check Oct 7, 2026: 29 of 29 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 CrewAI, Mem0, or both
Every company with a public proof for at least one of the two tools.
11
use only CrewAI
2
companies use both
14
use only Mem0
11 companies use only CrewAI, 14 use only Mem0 and 2 use both, out of the 27 companies on usedby that use at least one of them.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
Amazon |
PWC |
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
CrewAI
Mem0What customers report
Results as the vendor or the customer published them, with the source and the date.
CrewAI

The agent lifted qualified‑lead volume by 80%
Brickell Digital
Vendor case study, crewai.com, captured Oct 6, 2026

We can now integrate a new carrier in 10 minutes that used to take us 5 days.”
Gelato
Vendor case study, crewai.com, captured Oct 6, 2026
Mem0
No reviewed story for Mem0 yet.
Questions about CrewAI and Mem0
Which is used more, CrewAI or Mem0?
Mem0 has more customers on usedby: 16 against 13 for CrewAI.
Do companies use both CrewAI and Mem0?
Yes. 2 companies use both on usedby, including Amazon and PWC.
Who uses CrewAI?
13 companies on usedby, each with the public page that shows it. See who uses CrewAI.
Who uses Mem0?
16 companies on usedby, each with the public page that shows it. See who uses Mem0.
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.

