Arize AI vs E2B: who uses which
Customers, public proof and the companies that use both.
On usedby, 35 companies use Arize AI and 23 use E2B. No company is listed with both yet. E2B leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Oct 6, 2026: 53 of 58 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, E2B, or both
Every company with a public proof for at least one of the two tools.
35
use only Arize AI
0
companies use both
23
use only E2B
35 companies use only Arize AI, 23 use only E2B and 0 use both, out of the 58 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
We have not started tracking changes for E2B yet.
Who uses both
Companies with a confirmed or observed line on both tools.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Arize AI
E2BWhat 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
E2B

we had over 50,000 users who started over 230,000 E2B sandboxes
LMArena
Vendor case study, e2b.dev, published Feb 3, 2025

from zero to $250M ARR in 12 months
Genspark
Vendor case study, e2b.dev, published May 7, 2026
Questions about Arize AI and E2B
Which is used more, Arize AI or E2B?
Arize AI has more customers on usedby: 35 against 23 for E2B.
Do companies use both Arize AI and E2B?
usedby has not found a company with a confirmed or observed line on both Arize AI and E2B yet.
Who uses Arize AI?
35 companies on usedby, each with the public page that shows it. See who uses Arize AI.
Who uses E2B?
23 companies on usedby, each with the public page that shows it. See who uses E2B.
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.