Cognigy vs Yellow.ai: who uses which
Customers, public proof and the companies that use both.
On usedby, 56 companies use Cognigy and 27 use Yellow.ai. 1 company uses both, including Bayer. Cognigy leads among the Airlines & Aviation Services companies on usedby that use either tool.Latest check Oct 13, 2026: 83 of 83 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 Cognigy, Yellow.ai, or both
Every company with a public proof for at least one of the two tools.
55
use only Cognigy
1
company uses both
26
use only Yellow.ai
55 companies use only Cognigy, 26 use only Yellow.ai and 1 uses both, out of the 82 companies on usedby that use at least one of them.
Where it lands
Recently publicly listed customers
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, Cognigy |
|---|---|
 Bayer | On or before Dec 2024 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Cognigy, Yellow.ai or both: a share of the companies on usedby, not of the market.
Cognigy onlyBothYellow.ai only
More common with Cognigy
- Airlines & Aviation Services5 of the 6 Airlines & Aviation Services companies on usedby that use either tool use Cognigy.
- Energy, Utilities & Cleantech4 of the 6 Energy, Utilities & Cleantech companies on usedby that use either tool use Cognigy.
- Travel & Hospitality5 of the 6 Travel & Hospitality companies on usedby that use either tool use Cognigy.
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.
Cognigy
Yellow.aiWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Cognigy
The wait time between GP referral and Reed’s first patient engagement has fallen by 80 percent.
Reed Wellbeing
Vendor case study, cognigy.com, captured Oct 8, 2026
80% cost reduction from handled queries
Lippert
Vendor case study, cognigy.com, captured Oct 8, 2026
Yellow.ai
Isha has successfully handled over 21,000 customer and dealer calls with seamless integration
Sony India
Vendor case study, yellow.ai, published Apr 5, 2023
3M+ users engaged within weeks of launch.
Lulu Hypermarket
Vendor case study, yellow.ai, published Apr 20, 2026
Questions about Cognigy and Yellow.ai
Which is used more, Cognigy or Yellow.ai?
Cognigy has more customers on usedby: 56 against 27 for Yellow.ai.
Do companies use both Cognigy and Yellow.ai?
Yes. 1 company uses both on usedby, including Bayer.
Who uses Cognigy?
56 companies on usedby, each with the public page that shows it. See who uses Cognigy.
Who uses Yellow.ai?
27 companies on usedby, each with the public page that shows it. See who uses Yellow.ai.
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 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.