# AI Code Assistants: the tools companies use

93 companies on usedby use at least one of the 5 tools in this category with a public customer. GitHub copilot leads with 40 companies. Counts are of companies on usedby, not of the whole market. Latest check 2026-10-07: 64 of 94 public lines checked.

> Autocomplete and chat assistants to speed up development

Family: [Engineering & Data](https://www.usedby.ai/tools/category/engineering-data.md)

## Ranking

Public customers count every public line, job-post signals included; ties share a rank.

| Rank | Tool | Public customers | Confirmed | Observed | Signals |
|---|---|---|---|---|---|
| 1 | [GitHub copilot](https://www.usedby.ai/tools/github-copilot.md) | 40 | 16 | 15 | 9 |
| 2 | [Codeium](https://www.usedby.ai/tools/codeium.md) | 18 | 0 | 18 | 0 |
| 3 | [Bito](https://www.usedby.ai/tools/bito.md) | 16 | 9 | 7 | 0 |
| 4 | [Qodo](https://www.usedby.ai/tools/qodo.md) | 11 | 6 | 5 | 0 |
| 5 | [Cline](https://www.usedby.ai/tools/cline.md) | 9 | 0 | 9 | 0 |

Tools in this category without a public customer yet: [Sourcegraph](https://www.usedby.ai/tools/sourcegraph.md).

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Source: https://www.usedby.ai/tools/category/ai-code-assistants · How we check: https://www.usedby.ai/methodology