Fireworks AI vs Modal: who uses which
Customers, public proof and the companies that use both.
On usedby, 29 companies use Fireworks AI and 28 use Modal. 4 companies use both, including Doordash, Quora, and Cognition. Fireworks AI leads among the DevTools & Infrastructure companies on usedby that use either tool, Modal among the Artificial Intelligence companies.Latest check Oct 5, 2026: 57 of 57 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 Fireworks AI, Modal, or both
Every company with a public proof for at least one of the two tools.
25
use only Fireworks AI
4
companies use both
24
use only Modal
25 companies use only Fireworks AI, 24 use only Modal and 4 use both, out of the 53 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 5, 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.
| Company |
|---|
 Doordash |
 Quora |
 Cognition |
 Lovable |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Fireworks AI, Modal or both: a share of the companies on usedby, not of the market.
Fireworks AI onlyBothModal only
More common with Fireworks AI
- DevTools & Infrastructure6 of the 7 DevTools & Infrastructure companies on usedby that use either tool use Fireworks AI.
More common with Modal
- Artificial Intelligence7 of the 9 Artificial Intelligence companies on usedby that use either tool use Modal, 1 of them alongside Fireworks AI.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Fireworks AIModalWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Questions about Fireworks AI and Modal
Which is used more, Fireworks AI or Modal?
Fireworks AI has more customers on usedby: 29 against 28 for Modal. Fireworks AI leads among the DevTools & Infrastructure companies on usedby that use either tool, Modal among the Artificial Intelligence companies.
Do companies use both Fireworks AI and Modal?
Yes. 4 companies use both on usedby, including Doordash, Quora, and Cognition.
Who uses Fireworks AI?
29 companies on usedby, each with the public page that shows it. See who uses Fireworks AI.
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.