AgentMail vs Daytona: who uses which
Customers, public proof and the companies that use both.
On usedby, 21 companies use AgentMail and 31 use Daytona. 1 company uses both, including Clay. Daytona leads among the DevTools & Infrastructure companies on usedby that use either tool.Latest check Oct 27, 2026: 52 of 52 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 AgentMail, Daytona, or both
Every company with a public proof for at least one of the two tools.
20
listed for AgentMail only
1
company uses both
30
listed for Daytona only
On usedby, 20 companies are listed for AgentMail only, 30 are listed for Daytona only and 1 uses both, out of the 51 companies listed for at least one. An absent listing does not prove non-use.
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 |
|---|
 Clay |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use AgentMail, Daytona or both: a share of the companies on usedby, not of the market.
Listed for AgentMail onlyBothListed for Daytona only
More common with Daytona
- DevTools & Infrastructure6 of the 8 DevTools & Infrastructure companies on usedby that use either tool use Daytona.
- Artificial Intelligence4 of the 6 Artificial Intelligence companies on usedby that use either tool use Daytona.
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.
AgentMailDaytonaWhat customers report
Results as the vendor or the customer published them, with the source and the date.
AgentMail
No reviewed story for AgentMail yet.
Daytona
95% faster execution of SWE-Bench Verified
Martian
Vendor case study, daytona.io, captured Oct 27, 2026
90% savings on infrastructure costs compared to an in-house build
Writer
Vendor case study, daytona.io, captured Oct 27, 2026
Questions about AgentMail and Daytona
Which is used more, AgentMail or Daytona?
Daytona has more customers on usedby: 31 against 21 for AgentMail.
Do companies use both AgentMail and Daytona?
Yes. 1 company uses both on usedby, including Clay.
Who uses AgentMail?
21 companies on usedby, each with the public page that shows it. See who uses AgentMail.
Who uses Daytona?
31 companies on usedby, each with the public page that shows it. See who uses Daytona.
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.