Fireworks AI vs Groq: who uses which
Customers, public proof and the companies that use both.
On usedby, 48 companies use Fireworks AI and 15 use Groq. 2 companies use both, including Glean and Hebbia. Fireworks AI leads among the DevTools & Infrastructure companies on usedby that use either tool.Latest check Nov 11, 2026: 55 of 63 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses Fireworks AI, Groq, or both
Every company with a public proof for at least one of the two tools.
46
listed for Fireworks AI only
2
companies use both
13
listed for Groq only
On usedby, 46 companies are listed for Fireworks AI only, 13 are listed for Groq only and 2 use both, out of the 61 companies listed for at least one. An absent listing does not prove non-use.
Where it lands
Recently publicly listed customers
Where it lands
Recently publicly listed customers
No new public customer listing since tracking started on October 3, 2026.
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, Fireworks AI | First public proof, Groq |
|---|---|---|
 Glean | On or before Nov 2026 | On or before Nov 2026 |
 Hebbia | On or before Nov 2026 | On or before Nov 2026 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Fireworks AI, Groq or both: a share of the companies on usedby, not of the market.
Listed for Fireworks AI onlyBothListed for Groq only
More common with Fireworks AI
- DevTools & Infrastructure13 of the 16 DevTools & Infrastructure companies on usedby that use either tool use Fireworks AI.
- Artificial Intelligence12 of the 14 Artificial Intelligence companies on usedby that use either tool use Fireworks AI, 2 of them alongside Groq.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Vendor facts checked: Fireworks AI, 2 of 4; Groq, 0 of 4. Missing facts remain unverified, not absent features.
Fireworks AI
GroqWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Fireworks AI
enabling them to ~13x speedup over vanilla inference using Llama-3-70b
Cursor
Vendor case study, fireworks.ai, published Jun 23, 2024
Cresta achieves up to a 100x cost reduction compared to GPT-4
Cresta
Vendor case study, fireworks.ai, published Dec 8, 2024
Groq
No reviewed story for Groq yet.
Questions about Fireworks AI and Groq
Which is used more, Fireworks AI or Groq?
Fireworks AI has more customers on usedby: 48 against 15 for Groq.
Do companies use both Fireworks AI and Groq?
Yes. 2 companies use both on usedby, including Glean and Hebbia.
Who uses Fireworks AI?
48 companies on usedby, each with the public page that shows it. See who uses Fireworks AI.
Who uses Groq?
15 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 four proof levels: confirmed, declared by the company itself, observed or signal (a job post, the weakest). A company counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.