Virtual software engineers fixing tickets independently
80 companies on usedby use at least one of the 4 tools in this category with a public customer. Augment Code leads with 28 companies. Then come Cognition (26) and Factory (18). 3 companies run two of these tools or more. The most common pair is Cognition with Factory (1 company).Latest check Oct 6, 2026: 80 of 83 public lines checked. Counts are of companies on usedby, not of the whole market: we list a company when a public page shows its AI tools.
80
companies on usedby use a tool of this category
Companies per tool. A company using two tools counts for both.
Counts include job-post signals, drawn apart on each tool page.
Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.
| # | Tool | Customers | Proof |
|---|---|---|---|
| 1 |  Augment Code | 28 | |
| 2 |  Cognition | 26 | |
| 3 |  Factory | 18 | |
| 4 |  Tessl | 11 |
3 companies run two of these tools or more. The most common pair is Cognition with Factory, at 1 company.
Augment Code28 customersAugment Code is used by 28 companies on usedby, 24 confirmed by a case study, a named quote or a press release. Named customers include Adobe, MongoDB, and Intercom. Who uses Augment Code, Augment Code vs Cursor
Customer page: augmentcode.com. Latest check of 28 of 28 lines: Oct 6, 2026.
Cognition26 customersCognition is used by 26 companies on usedby, 7 confirmed by a case study, a named quote or a press release. Named customers include Mercedes Benz, NASA, and U.S. Navy. Who uses Cognition, Cognition vs Factory
Latest check of 24 of 26 lines: Oct 5, 2026.
Factory18 customersFactory is used by 18 companies on usedby, 4 confirmed by a case study, a named quote or a press release. Named customers include Nvidia, Adobe, and Blackstone. Who uses Factory, Cursor vs Factory
Customer page: factory.ai. Latest check of 17 of 18 lines: Oct 5, 2026.
Tessl11 customersTessl is used by 11 companies on usedby, 1 confirmed by a case study, a named quote or a press release. Named customers include Cisco, DeepL, and Intercom. Who uses Tessl
Latest check of 11 of 11 lines: Oct 6, 2026.
Companies first listed by a tool of this category in the last 90 days.
Side-by-side pages with the companies behind each tool.
Answers drawn from usedby data.
Augment Code, used by 28 of the 80 companies on usedby in this category. Then come Cognition (26) and Factory (18). Who uses Augment Code.
Augment Code: 28 companies on usedby, against 26 for Cognition.
Yes: 3 of the 80 companies on usedby in this category run two or more. The most common pair is Cognition with Factory (1 company).
By the number of companies with a public line for each tool, read from dated captures of vendor customer pages, case studies, press releases and job posts. Job-post signals count in the totals and are shown apart. usedby lists a company when a public page shows it, so these counts describe the companies on usedby, not the whole market.
