15 Open Source AI Code Review Tools (2026)

It appears that you've provided a detailed overview of two AI-driven code review tools: Aider and Qodo Merge (via its open-source version, Qodo). Let's break down each tool based on your description:

1. Aider

What it does:

• Code Review: Analyzes changes in files or diffs to identify bugs, security issues, and suggest improvements.
• Architect Mode: Provides architectural suggestions by understanding cross-file dependencies.

Setup Guide:

• Install via pip or pipx.
• Set environment variables for API keys (e.g., OPENAI_API_KEY).
• Use commands like aider --message "Review my uncommitted changes." to initiate reviews.

Configuration File:

• .aider.conf.yml: Configures settings such as the model used, auto-commit behavior, and token mapping.

Pros:

• Terminal-based with full Git integration.
• Works well for both interactive and non-interactive use cases (CI pipelines).
• Supports various LLM providers including Anthropic.

Cons:

• Requires an API key from an LLM provider, which incurs costs.
• Quality of review depends heavily on the chosen model.
• Self-hosting

Read the full article at DEV Community

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