Arize AI vs Portkey: who uses which
Customers, public proof and the companies that use both.
On usedby, 35 companies use Arize AI and 22 use Portkey. 1 company uses both, including Snorkel AI.Latest check Oct 5, 2026: 52 of 57 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 Arize AI, Portkey, or both
Every company with a public proof for at least one of the two tools.
34
use only Arize AI
1
company uses both
21
use only Portkey
34 companies use only Arize AI, 21 use only Portkey and 1 uses both, out of the 56 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 5, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 5, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 Snorkel AI |
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Arize AI
PortkeyWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Arize AI
The approach enabled 15+ production use cases in the first six months
Handshake
Vendor case study, arize.com, captured Oct 5, 2026
How Booking.com uses Arize AI
Booking.com
Vendor case study, arize.com, captured Oct 5, 2026
Portkey
2x faster issue detection in development
Snorkel AI
Vendor case study, portkey.ai, captured Oct 5, 2026
How Fontys ICT uses Portkey
Fontys ICT
Vendor case study, portkey.ai, captured Oct 5, 2026
Questions about Arize AI and Portkey
Which is used more, Arize AI or Portkey?
Arize AI has more customers on usedby: 35 against 22 for Portkey.
Do companies use both Arize AI and Portkey?
Yes. 1 company uses both on usedby, including Snorkel AI.
Who uses Arize AI?
35 companies on usedby, each with the public page that shows it. See who uses Arize AI.
Who uses Portkey?
22 companies on usedby, each with the public page that shows it. See who uses Portkey.
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.