Jasper vs Writer: who uses which
Customers, public proof and the companies that use both.
On usedby, 45 companies use Jasper and 74 use Writer. 1 company uses both, including Prudential. Jasper leads among the DevTools & Infrastructure companies on usedby that use either tool, Writer among the Marketing Tech companies.Latest check Oct 8, 2026: 95 of 119 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 Jasper, Writer, or both
Every company with a public proof for at least one of the two tools.
44
use only Jasper
1
company uses both
73
use only Writer
44 companies use only Jasper, 73 use only Writer and 1 uses both, out of the 118 companies on usedby that use at least one of them.
Where it lands
Newest customers
We have not started tracking changes for Jasper yet.
Where it lands
Newest customers
Who uses both
Companies with a confirmed or observed line on both tools.
| Company | First public proof, Writer |
|---|---|
Prudential | On or before Jan 2025 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Jasper, Writer or both: a share of the companies on usedby, not of the market.
Jasper onlyBothWriter only
More common with Jasper
- DevTools & Infrastructure4 of the 5 DevTools & Infrastructure companies on usedby that use either tool use Jasper.
More common with Writer
- Marketing Tech7 of the 12 Marketing Tech companies on usedby that use either tool use Writer.
- HealthTech & Digital Health7 of the 8 HealthTech & Digital Health companies on usedby that use either tool use Writer.
- Banking & Mortgages4 of the 7 Banking & Mortgages companies on usedby that use either tool use Writer.
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.
Jasper
WriterWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Jasper

We compressed what would previously take two years into just three months at Savista because we had Jasper.
Savista
Vendor case study, jasper.ai, published Aug 18, 2026

1 day vs. weeks for development of a multi-platform campaign
iHeartMedia
Vendor case study, jasper.ai, published Aug 18, 2026
Writer
No reviewed story for Writer yet.
Questions about Jasper and Writer
Which is used more, Jasper or Writer?
Writer has more customers on usedby: 74 against 45 for Jasper. Jasper leads among the DevTools & Infrastructure companies on usedby that use either tool, Writer among the Marketing Tech companies.
Do companies use both Jasper and Writer?
Yes. 1 company uses both on usedby, including Prudential.
Who uses Jasper?
45 companies on usedby, each with the public page that shows it. See who uses Jasper.
Who uses Writer?
74 companies on usedby, each with the public page that shows it. See who uses Writer.
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.


