Google Antigravity vs Amp Code (by Sourcegraph): Side-by-Side Comparison 2026

Google Antigravity is an AI IDE from Google — ai-native cloud ide. Amp Code (by Sourcegraph) is an AI agent from Sourcegraph — agentic coding with full codebase context.

Google Antigravity

Google's AI-native IDE built on a heavily modified fork of VS Code with Gemini built in. Free during preview with rate limits.

✓ Code completions
✓ AI chat
✓ Agentic mode
✓ Multi-file editing
✓ Terminal commands

Free / $19.99/mo · 3 plans

Amp Code (by Sourcegraph)

Amp Code (formerly Sourcegraph Cody Agent) — AI coding agent from Sourcegraph. Focuses on autonomous task execution across repositories. Cody continues to exist as a separate context-aware assistant.

✓ Code completions
✓ AI chat
✓ Agentic mode
✓ Multi-file editing
✓ Test generation

Free · 3 plans

Feature	Google Antigravity	Amp Code (by Sourcegraph)
Category	AI IDE	Agent
Starting Price	Free	Free
Model Family	Gemini	Multi-model
Open Source	No	Partial (extension)

Key Differences

Category: Google Antigravity is an AI IDE; Amp Code (by Sourcegraph) is an AI agent.
Starting price: Google Antigravity starts at $19.99/mo; Amp Code (by Sourcegraph) starts at free / BYOK.
Model family: Google Antigravity uses Gemini; Amp Code (by Sourcegraph) uses Multi-model.
Open source: Google Antigravity: No. Amp Code (by Sourcegraph): Partial (extension).
Platforms: Google Antigravity runs on ChromeOS, Linux, Windows, macOS; Amp Code (by Sourcegraph) runs on Desktop, Web.
Provider: Google Antigravity is built by Google; Amp Code (by Sourcegraph) is built by Sourcegraph.

Which Should You Choose?

Choose Google Antigravity if you want an AI-native IDE for professional development. Choose Amp Code (by Sourcegraph) if you want autonomous planning and multi-file task execution. Read our full reviews to see which fits your workflow.