Daytona vs LangChain: who uses which
Customers, public proof and the companies that use both.
On usedby, 31 companies use Daytona and 40 use LangChain. 2 companies use both, including Rillet and Clay. Daytona leads among the DevTools & Infrastructure companies on usedby that use either tool.Latest check Oct 27, 2026: 71 of 71 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 Daytona, LangChain, or both
Every company with a public proof for at least one of the two tools.
29
listed for Daytona only
2
companies use both
38
listed for LangChain only
On usedby, 29 companies are listed for Daytona only, 38 are listed for LangChain only and 2 use both, out of the 69 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 | First public proof, LangChain |
|---|---|
 Rillet | On or before Sep 2026 |
 Clay | On or before Jun 2025 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Daytona, LangChain or both: a share of the companies on usedby, not of the market.
Listed for Daytona onlyBothListed for LangChain only
More common with Daytona
- DevTools & Infrastructure6 of the 10 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.
Daytona
LangChainWhat customers report
Results as the vendor or the customer published them, with the source and the date.
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
LangChain
No reviewed story for LangChain yet.
Questions about Daytona and LangChain
Which is used more, Daytona or LangChain?
LangChain has more customers on usedby: 40 against 31 for Daytona.
Do companies use both Daytona and LangChain?
Yes. 2 companies use both on usedby, including Rillet and Clay.
Who uses Daytona?
31 companies on usedby, each with the public page that shows it. See who uses Daytona.
Who uses LangChain?
40 companies on usedby, each with the public page that shows it. See who uses LangChain.
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.