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Task

Best AI tools to debug code

We compared 1 AI tool to debug code. 1 has a free plan. GitHub Copilot ranks first on our task-fit signals: copilot code review flags quality and security issues in local changes and pull requests, and agent mode can work through fixes in your editor. Listings were last checked on Nov 6, 2026.

AI debugging tools explain errors, suggest fixes and review code changes. Compare which editors and languages they support, whether they can see your whole repository or just a file, and the usage caps on each plan.

Preview build: this list has 1 of the 8+ tools a task page needs before it can be published (methodology, coverage rule).

The ranking

  1. 1

    GitHub Copilot

    FreemiumFrom $10/mo

    Why it fits: Copilot code review flags quality and security issues in local changes and pull requests, and agent mode can work through fixes in your editor.

    Fit score 9/9: The task is the tool's first-listed use case; The tool's primary category matches the task's category; Five or more verified features; A free plan is available (stated on its pricing page); Plans and prices are verified from its own pricing page

Side-by-side

Pricing, free plan and platforms for each tool to debug code
ToolPriceFree planPlatformsChecked
GitHub CopilotFrom $10/moYesDesktop app, macOS, WebNov 6, 2026

Choosing a tool to debug code: what the data says

  • Free to try: GitHub Copilot has a free plan.
  • Lowest listed entry price: GitHub Copilot at $10/mo.

Order is by fit score, from published signals; ties go alphabetically and no tool can pay for a position. How the score works.