Compare ECA and Google Antigravity side by side. Both are tools in the Coding Agents category.
| Category | Coding Agents | Coding Agents |
| Pricing | Free (open-source) | — |
| Best For | Developers who use non-mainstream editors and want AI assistance without vendor lock-in | — |
| Website | eca.dev | developers.googleblog.com |
| Key Features |
| — |
| Use Cases |
| — |
Key criteria to evaluate when comparing Coding Agents solutions:
ECA (Editor Code Assistant) is a free, open-source, editor-agnostic AI coding tool that connects LLMs to code editors through a protocol inspired by LSP. It supports VS Code, Emacs, Neovim, and IntelliJ, and works with multiple model providers including OpenAI, Anthropic, GitHub Copilot, and Ollama.
Google Antigravity is Google's agentic development platform, announced alongside Gemini 3 in late 2025. Built as a modified VS Code fork, it combines a traditional AI-powered editor with a Manager View for orchestrating multiple autonomous agents working in parallel across workspaces. Agents can plan, execute, and verify complex tasks across editor, terminal, and browser. Antigravity achieved 76.2% on SWE-bench Verified and supports Gemini 3 Pro, Deep Think, and Flash models, plus third-party models like Claude.
AI-powered developer tools that can write, review, debug, and refactor code—ranging from IDE copilots to fully autonomous software engineering agents.
Browse all Coding Agents tools →