Cerebras vs Together AI: who uses which
Customers, public proof and the companies that use both.
On usedby, 32 companies use Cerebras and 31 use Together AI. 3 companies use both, including OpenAI, Quora, and Cognition. Cerebras leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Oct 7, 2026: 60 of 63 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, Together AI, or both
Every company with a public proof for at least one of the two tools.
29
use only Cerebras
3
companies use both
28
use only Together AI
29 companies use only Cerebras, 28 use only Together AI and 3 use both, out of the 60 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
We have not started tracking changes for Together AI yet.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 OpenAI |
 Quora |
 Cognition |
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Cerebras
Together AIWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Cerebras
No reviewed story for Cerebras yet.
Together AI
70% cost reduction for customers switching to open-source models on Together GPUs
Runware
Vendor case study, together.ai, captured Oct 3, 2026
3–4 months of cumulative research time recovered
Scaled Cognition
Vendor case study, together.ai, captured Oct 3, 2026
Questions about Cerebras and Together AI
Which is used more, Cerebras or Together AI?
Cerebras has more customers on usedby: 32 against 31 for Together AI.
Do companies use both Cerebras and Together AI?
Yes. 3 companies use both on usedby, including OpenAI, Quora, and Cognition.
Who uses Cerebras?
32 companies on usedby, each with the public page that shows it. See who uses Cerebras.
Who uses Together AI?
31 companies on usedby, each with the public page that shows it. See who uses Together 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.