Native AI code editors (IDEs) designed for pair-programming
136 companies on usedby use at least one of the 3 tools in this category with a public customer. Cursor leads with 97 companies. Then come Replit (31) and Warp (17). 7 companies run two of these tools or more. The most common pair is Cursor with Warp (4 companies).Latest check Oct 8, 2026: 144 of 145 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.
136
companies on usedby use a tool of this category
Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.
| # | Tool | Customers | Proof |
|---|---|---|---|
| 1 |  Cursor | 97 | |
| 2 |  Replit | 31 | |
| 3 |  Warp | 17 |
7 companies run two of these tools or more. The most common pair is Cursor with Warp, at 4 companies.
Cursor97 customersCursor is used by 97 companies on usedby, 22 confirmed by a case study, a named quote or a press release. Named customers include Nvidia, OpenAI, and Samsung. Who uses Cursor, Cursor vs GitHub copilot
Customer page: cursor.com. Latest check of 97 of 97 lines: Oct 8, 2026.
Replit31 customersReplit is used by 31 companies on usedby, 22 confirmed by a case study, a named quote or a press release. Named customers include Google, Microsoft, and Atlassian. Who uses Replit, Cursor vs Replit
Customer page: replit.com. Latest check of 30 of 31 lines: Oct 7, 2026.
Warp17 customersWarp is used by 17 companies on usedby, 2 confirmed by a case study, a named quote or a press release. Named customers include Amazon, Google, and Nvidia. Who uses Warp, Cursor vs Warp
Customer page: warp.dev. Latest check of 17 of 17 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.
Cursor, used by 97 of the 136 companies on usedby in this category. Then come Replit (31) and Warp (17). Who uses Cursor.
Cursor: 97 companies on usedby, against 31 for Replit. 2 companies use both, counting confirmed and observed lines only.
Yes: 7 of the 136 companies on usedby in this category run two or more. The most common pair is Cursor with Warp (4 companies).
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.
