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Google Antigravity is an agent-first IDE from Google DeepMind. It provides synchronized agentic control across your editor, terminal, and browser.

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Official vs Community version

The official Google Antigravity does not support custom API endpoints or API keys. To use Kyma’s open source models with an Antigravity-like experience, use the community open-antigravity fork.

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Setup with Open-Antigravity

1

Clone the repo

2

Configure Kyma API

Create a .env file with your Kyma credentials:
3

Install and run

4

Start coding

Open the IDE and start using AI agents powered by Kyma’s open source models.
Use model aliases like best or code — they auto-update when better models become available.

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Why use Kyma with Antigravity?

  • Active open models — access models from Meta, Google, Alibaba, DeepSeek, and more through a single endpoint
  • 4-layer fallback — if one provider is down, your request automatically routes to another
  • Prompt caching — up to 90% cost savings on repeated system prompts
  • Free to start — $0.50 signup credits, no credit card required

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Prompt Caching

Prompt caching is automatic. Your system prompt and tool definitions are cached for 5 minutes, reducing costs by up to 90% on subsequent requests. No code changes needed. See Prompt Caching for details.