Cerebras vs CoreWeave: who uses which
Customers, public proof and the companies that use both.
On usedby, 32 companies use Cerebras and 18 use CoreWeave. 4 companies use both, including IBM, OpenAI, and CrowdStrike. Cerebras leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Oct 7, 2026: 50 of 50 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 Cerebras, CoreWeave, or both
Every company with a public proof for at least one of the two tools.
28
use only Cerebras
4
companies use both
14
use only CoreWeave
28 companies use only Cerebras, 14 use only CoreWeave and 4 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 7, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 IBM |
 OpenAI |
 CrowdStrike |
 Mistral AI |
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Cerebras
CoreWeaveWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Cerebras
No reviewed story for Cerebras yet.
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
Questions about Cerebras and CoreWeave
Which is used more, Cerebras or CoreWeave?
Cerebras has more customers on usedby: 32 against 18 for CoreWeave.
Do companies use both Cerebras and CoreWeave?
Yes. 4 companies use both on usedby, including IBM, OpenAI, and CrowdStrike.
Who uses Cerebras?
32 companies on usedby, each with the public page that shows it. See who uses Cerebras.
Who uses CoreWeave?
18 companies on usedby, each with the public page that shows it. See who uses CoreWeave.
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.