Best AI code fixers
4 AI tools for finding and fixing code errors, 3 with a free plan. They range from coding assistants such as Cody and open-source coding agents such as Kilo to Momentic, which runs plain-English end-to-end tests for web and mobile apps.
The ranked list
Offers debugging help to identify and fix code errors, plus developer chat and context filters that exclude selected repositories. Runs as a web app; pricing is by contact sales.
Automations handle bugs, failed CI and alerts, and cloud agents run in parallel, testing end to end in their own browser and VM. Free plan; Pro is USD 20/month.
A full IDE with debugging tools, plus a command center for managing fleets of local and cloud coding agents. Free plan; desktop platform.
Terminal pair programming with LLMs that accepts voice requests for bug fixes, lints and tests code after each change, and commits to git automatically. Debugging is a secondary use.
Lists debugging as a secondary task, with an agent for VS Code and JetBrains, a terminal CLI and cloud agents; open source with access to 500+ models. Free plan; Teams from USD 15/user/month.
Also does debugging. Tests are written in plain English, auto-heal as the UI changes, and CI checks include quarantine rules for flaky tests. Free plan; pay-as-you-go USD 125/month.
Also does debugging. Cloud software factories coordinate coding agents from triage to a mergeable PR, and agents capture screenshots or video as proof of work. Has a free pay-as-you-go plan.
