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Comparing Aider and Gemini CLI: Standalone Tools for Your Needs

Alex Hrymashevych Author by:
Alex Hrymashevych
Last update:
25 Jan 2026
Reading time:
~ 3 mins

Aider: Your Comprehensive Standalone Tool

Aider is a versatile standalone tool designed to cater to various operating systems, including Windows, macOS, and Linux. Developed by Aider, this tool supports a range of language models such as GPT-4o, GPT-5, Claude 4.5, and DeepSeek. With a context window of 200k tokens, Aider provides a robust environment for multi-file agentic editing. Additionally, it offers full terminal access, allowing users to execute commands seamlessly. While it does not support predictive edits or local inference, Aider ensures a standard privacy mode and holds SOC2 Type II certification for enterprise users. The tool is available for free, making it accessible to a wide range of users. Configuration is straightforward with the .aiderrc file, ensuring a seamless migration process for users transitioning from other platforms.

Pros

  • Supports multiple operating systems.
  • Free to use with no hidden costs.
  • Full terminal access provided.
  • Multi-file agentic editing supported.
  • Enterprise-grade privacy certification.

Cons

  • Does not support local inference.
  • Lacks predictive editing capabilities.
  • Limited context window compared to competitors.

Gemini CLI: Google’s Advanced Standalone Solution

Gemini CLI, developed by Google, stands out as a powerful standalone tool compatible with Windows, macOS, and Linux. This tool leverages the capabilities of Gemini 2.5 Pro and Gemini 2 language models, offering an impressive context window of 1 million tokens. Unlike Aider, Gemini CLI supports local inference and predictive edits, making it a dynamic choice for users seeking advanced editing functionalities. The tool maintains a standard privacy policy and is SOC2 Type II certified, ensuring high levels of data protection. Available in both free and pro versions, Gemini CLI offers flexibility for users with varying needs. Configuration is handled through the GEMINI.md file, supporting a seamless migration process.

Pros

  • Compatible with all major operating systems.
  • Supports local inference for enhanced performance.
  • Predictive editing capabilities.
  • Large context window of 1M tokens.
  • Flexible pricing with free and pro options.

Cons

  • Potential costs for pro features.
  • Complexity may increase with advanced features.
  • Requires GEMINI.md configuration understanding.

Comparison Table

Feature Aider Gemini CLI
Architecture Type standalone standalone
Supported Os Windows, macOS, Linux Windows, macOS, Linux
Developer Aider Google
Supported Llms GPT-4o, GPT-5, Claude 4.5, DeepSeek Gemini 2.5 Pro, Gemini 2
Context Window 200k tokens 1M tokens
Agentic Editing Yes, multi-file Yes, multi-file
Terminal Access Full Full
Privacy Mode Standard Privacy Policy Standard Privacy Policy
Certifications SOC2 Type II (Enterprise) SOC2 Type II (Enterprise)
About Price Free Free/Pro
Config File .aiderrc GEMINI.md
Migration Seamless Seamless

Conclusion

Both Aider and Gemini CLI offer robust solutions for users requiring standalone tools. Aider is ideal for those seeking a free, straightforward tool with full terminal access, while Gemini CLI is better suited for users who need advanced features like local inference and predictive editing. Your choice will depend on your specific requirements and budgetary considerations.