AI tools that help write software began as smart autocomplete, suggesting the next line as a programmer typed. By 2026 many have grown into assistants that attempt larger tasks, such as drafting a small feature, writing tests or explaining unfamiliar code, while the human reviews and approves the result.
The change shifts some of a developer's time from typing toward checking and directing. Experienced programmers tend to get the most value, because they can spot when a suggestion is wrong or unsafe. The tools do not remove the need for skill, but for routine and repetitive work they can shorten the path from idea to a working draft.