Aider vs. Gemini CLI

Feature	Aider	Gemini CLI

Tagline	AI pair programming in your terminal	An open-source AI agent that brings Gemini into your terminal
Website	https://aider.chat	https://geminicli.com
Language	python	typescript
Release Date	July 8, 2023	June 24, 2025
Last Updated	April 28, 2026	June 3, 2026
Provider Type	Independent	AI Lab
MCP Support	No	Yes
Multi-Agent Support	No	Yes
Git Integration	deep	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	No	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	Yes	No
IDE Integration	VS Code, Neovim, Emacs	VS Code
Hooks / Extensions	Yes	Yes
Web Search	No	Yes
Local Model Support	Yes	No
Context Window	Model-dependent	1M tokens
Terminal Bench 2.0		#42 · 61.4% ±4.1 ²
Supported Models	Claude Sonnet 4.5/4.6, Claude Opus 4.5/4.6, GPT-5.4, GPT-4o, DeepSeek, Gemini, Llama, Qwen	Gemini 3.5 Flash, Gemini 3.1 Pro
Pricing Model	BYOK	Free
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (1,000 req/day)
Source Code Availability	Open Source (Apache-2.0)	Open Source (Apache-2.0)
Source Code	https://github.com/Aider-AI/aider	https://github.com/google-gemini/gemini-cli
Development State	active	active