Cerebras vs Groq: who uses which
Customers, public proof and the companies that use both.
On usedby, 32 companies use Cerebras and 8 use Groq. 2 companies use both, including IBM and Meta. Cerebras leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Oct 7, 2026: 32 of 40 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, Groq, or both
Every company with a public proof for at least one of the two tools.
30
use only Cerebras
2
companies use both
6
use only Groq
30 companies use only Cerebras, 6 use only Groq and 2 use both, out of the 38 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 3, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 IBM |
 Meta |
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Cerebras
GroqWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Questions about Cerebras and Groq
Which is used more, Cerebras or Groq?
Cerebras has more customers on usedby: 32 against 8 for Groq.
Do companies use both Cerebras and Groq?
Yes. 2 companies use both on usedby, including IBM and Meta.
Who uses Cerebras?
32 companies on usedby, each with the public page that shows it. See who uses Cerebras.
Who uses Groq?
8 companies on usedby, each with the public page that shows it. See who uses Groq.
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.