Fireworks AI vs Together AI: who uses which
Customers, public proof and the companies that use both.
On usedby, 29 companies use Fireworks AI and 31 use Together AI. 3 companies use both, including Quora, Cognition, and Cursor. Fireworks AI leads among the DevTools & Infrastructure companies on usedby that use either tool, Together AI among the Artificial Intelligence companies.Latest check Oct 5, 2026: 57 of 60 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, Together AI, or both
Every company with a public proof for at least one of the two tools.
26
use only Fireworks AI
3
companies use both
28
use only Together AI
26 companies use only Fireworks AI, 28 use only Together AI and 3 use both, out of the 57 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
We have not started tracking changes for Together AI yet.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 Quora |
 Cognition |
 Cursor |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Fireworks AI, Together AI or both: a share of the companies on usedby, not of the market.
Fireworks AI onlyBothTogether AI only
More common with Fireworks AI
- DevTools & Infrastructure6 of the 7 DevTools & Infrastructure companies on usedby that use either tool use Fireworks AI, 1 of them alongside Together AI.
More common with Together AI
- Artificial Intelligence7 of the 10 Artificial Intelligence companies on usedby that use either tool use Together 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 AITogether AIWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Fireworks AI
No reviewed story for Fireworks AI 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 Fireworks AI and Together AI
Which is used more, Fireworks AI or Together AI?
Together AI has more customers on usedby: 31 against 29 for Fireworks AI. Fireworks AI leads among the DevTools & Infrastructure companies on usedby that use either tool, Together AI among the Artificial Intelligence companies.
Do companies use both Fireworks AI and Together AI?
Yes. 3 companies use both on usedby, including Quora, Cognition, and Cursor.
Who uses Fireworks AI?
29 companies on usedby, each with the public page that shows it. See who uses Fireworks AI.
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.