Patronus AI vs Weights & Biases: who uses which
Customers, public proof and the companies that use both.
On usedby, 7 companies use Patronus AI and 55 use Weights & Biases. No company is listed with both yet. Weights & Biases leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Oct 6, 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 Patronus AI, Weights & Biases, or both
Every company with a public proof for at least one of the two tools.
7
use only Patronus AI
0
companies use both
55
use only Weights & Biases
7 companies use only Patronus AI, 55 use only Weights & Biases and 0 use both, out of the 62 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 6, 2026.
Where it lands
Newest customers
We have not started tracking changes for Weights & Biases 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.
Patronus AI
Weights & BiasesPricing, 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.
Patronus AI
1K+ hours saved on manual evaluation per month through Patronus Judges
Gamma
Vendor case study, patronus.ai, captured Oct 6, 2026
Weights & Biases
Experiment tracking has given us 10x velocity
Woven by Toyota
Vendor case study, wandb.ai, published Feb 20, 2024
How ReelData uses Weights & Biases
ReelData
Vendor case study, wandb.ai, published Jan 21, 2026
Questions about Patronus AI and Weights & Biases
Which is used more, Patronus AI or Weights & Biases?
Weights & Biases has more customers on usedby: 55 against 7 for Patronus AI.
Do companies use both Patronus AI and Weights & Biases?
usedby has not found a company with a confirmed or observed line on both Patronus AI and Weights & Biases yet.
Who uses Patronus AI?
7 companies on usedby, each with the public page that shows it. See who uses Patronus AI.
Who uses Weights & Biases?
55 companies on usedby, each with the public page that shows it. See who uses Weights & Biases.
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.