H2O.ai vs Patronus AI: who uses which
Customers, public proof and the companies that use both.
On usedby, 42 companies use H2O.ai and 7 use Patronus AI. No company is listed with both yet.Latest check Oct 7, 2026: 49 of 49 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 H2O.ai, Patronus AI, or both
Every company with a public proof for at least one of the two tools.
42
use only H2O.ai
0
companies use both
7
use only Patronus AI
42 companies use only H2O.ai, 7 use only Patronus AI and 0 use both, out of the 49 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 6, 2026.
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.
H2O.ai
Patronus AIPricing, security and data residency are not checked yet. usedby adds them from each vendor's public pages, with the date of the check.
What customers report
Results as the vendor or the customer published them, with the source and the date.
H2O.ai


Decreased time to prototype new models from weeks to 2 days
Commonwealth Bank
Vendor case study, h2o.ai, captured Oct 7, 2026
Patronus AI

1K+ hours saved on manual evaluation per month through Patronus Judges
Gamma
Vendor case study, patronus.ai, captured Oct 6, 2026

Questions about H2O.ai and Patronus AI
Which is used more, H2O.ai or Patronus AI?
H2O.ai has more customers on usedby: 42 against 7 for Patronus AI.
Do companies use both H2O.ai and Patronus AI?
usedby has not found a company with a confirmed or observed line on both H2O.ai and Patronus AI yet.
Who uses H2O.ai?
42 companies on usedby, each with the public page that shows it. See who uses H2O.ai.
Who uses Patronus AI?
7 companies on usedby, each with the public page that shows it. See who uses Patronus AI.
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.