Two AI code editors, side by side. Facts below link to their sources; last checked 2026-10-17.
| Kiro | Google Antigravity | |
|---|---|---|
| Type | AI code editor | AI code editor |
| Pricing | From $20/month | From $20/month |
| Free tier | Yes | Yes |
| Open source | No | No |
| Latest release | — | Antigravity 2.0 |

Agentic IDE built around spec-driven development: it turns a prompt into requirements, design and tasks before writing code. Also has a CLI. source

Agent-first development platform from Google: manage agents that work across the editor, terminal and browser, producing plans and artifacts you can review. source
Visit Google Antigravity ↗ · Google Antigravity alternatives
Kiro: Spec-driven agentic IDE: turns prompts into specs, then code. Google Antigravity: Google's agent-first IDE: agents plan, build and verify apps in a browser.
Kiro: From $20/month (free tier available). Google Antigravity: From $20/month (free tier available). Prices change often; confirm on the official pricing pages.