CoreWeave vs Modal: who uses which
Customers, public proof and the companies that use both.
On usedby, 18 companies use CoreWeave and 28 use Modal. No company is listed with both yet. Modal leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Oct 7, 2026: 46 of 46 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 CoreWeave, Modal, or both
Every company with a public proof for at least one of the two tools.
18
use only CoreWeave
0
companies use both
28
use only Modal
18 companies use only CoreWeave, 28 use only Modal and 0 use both, out of the 46 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 5, 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.
CoreWeave
ModalWhat customers report
Results as the vendor or the customer published them, with the source and the date.
CoreWeave
The team went from POC to production in three weeks.
Mercado Libre
Vendor case study, wf.coreweave.com, published Jul 2, 2026
saving 75% in cloud costs
NovelAI
Vendor case study, wf.coreweave.com, published Oct 6, 2026
Modal
No reviewed story for Modal yet.
Questions about CoreWeave and Modal
Which is used more, CoreWeave or Modal?
Modal has more customers on usedby: 28 against 18 for CoreWeave.
Do companies use both CoreWeave and Modal?
usedby has not found a company with a confirmed or observed line on both CoreWeave and Modal yet.
Who uses CoreWeave?
18 companies on usedby, each with the public page that shows it. See who uses CoreWeave.
Who uses Modal?
28 companies on usedby, each with the public page that shows it. See who uses Modal.
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.