Aider vs. Antigravity CLI

Feature	Aider	Antigravity CLI

Tagline	AI pair programming in your terminal	Google's coding agent for the terminal, and the replacement for Gemini CLI
Website	https://aider.chat	https://antigravity.google/product/antigravity-cli
Language	python	go
Release Date	July 8, 2023	May 19, 2026
Last Updated	June 29, 2026	July 1, 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	Antigravity IDE
Hooks / Extensions	Yes	Yes
Web Search	No	Yes
Local Model Support	Yes	No
Context Window	Model-dependent	Model dependent
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 Pro/Flash, Gemini 3.1 Pro, Gemini 3 Flash, Claude Sonnet / Opus 4.7, GPT-OSS-120b
Pricing Model	BYOK	Freemium, Subscription, Usage Based
Free Tier	Yes	Yes
Price Range	Free (BYOK)	$0 - $200
Source Code Availability	Open Source (Apache-2.0)	Proprietary Software
Source Code	https://github.com/Aider-AI/aider	N/A
Development State	active	active