Flowise vs LangSmith: who uses which
Customers, public proof and the companies that use both.
On usedby, 13 companies use Flowise and 43 use LangSmith. 1 company uses both, including Workday. LangSmith leads among the Fintech & Payments companies on usedby that use either tool.Latest check Oct 6, 2026: 49 of 56 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 Flowise, LangSmith, or both
Every company with a public proof for at least one of the two tools.
12
use only Flowise
1
company uses both
42
use only LangSmith
12 companies use only Flowise, 42 use only LangSmith and 1 uses both, out of the 55 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 3, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 3, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 Workday |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Flowise, LangSmith or both: a share of the companies on usedby, not of the market.
Flowise onlyBothLangSmith only
More common with LangSmith
- Fintech & Payments4 of the 6 Fintech & Payments companies on usedby that use either tool use LangSmith.
- HR & Recruiting5 of the 5 HR & Recruiting companies on usedby that use either tool use LangSmith, 1 of them alongside Flowise.
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.
FlowiseLangSmithWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Questions about Flowise and LangSmith
Which is used more, Flowise or LangSmith?
LangSmith has more customers on usedby: 43 against 13 for Flowise.
Do companies use both Flowise and LangSmith?
Yes. 1 company uses both on usedby, including Workday.
Who uses Flowise?
13 companies on usedby, each with the public page that shows it. See who uses Flowise.
Who uses LangSmith?
43 companies on usedby, each with the public page that shows it. See who uses LangSmith.
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.