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Google Antigravity vs Kiro
Short answer: Pick Google Antigravity if you want agent-first development environment; pick Kiro if you want spec-driven development with AI agents. Google Antigravity has a free plan; Kiro has a free plan, paid from $20/month per user.
Which to pick
Pick Google Antigravity if you want…
- Agent-first development environment
- Integrations with Python, Google Cloud or Gemini models (on Google Antigravity's list, not Kiro's)
Pick Kiro if you want…
- Spec-driven development with AI agents
- Spec-driven agentic IDE
- Integrations with AWS IAM Identity Center (on Kiro's list, not Google Antigravity's)
Side by side
- What it is
- Google Antigravity:Google Antigravity is an agent-first development platform offering an app, CLI, IDE and SDK to build and run AI agents.
- Kiro:Kiro is an agentic IDE that turns prompts into specs, validates code, and runs parallel AI agents across large codebases.
- Best for
- Google Antigravity:Agent-first development environment
- Kiro:Spec-driven development with AI agents
- Who it’s for
- Google Antigravity:Full-stack, frontend and enterprise developers building agentic applications.
- Kiro:Professional developers and software teams building and maintaining large codebases.
- Pricing
- Google Antigravity:Freemium
- Kiro:Freemium
- Starting price
- Google Antigravity:—
- Kiro:$20/month per user (KIRO PRO)
- Free plan or trial
- Google Antigravity:Free plan (Individuals)
- Kiro:Free plan (KIRO FREE)
- Plans
- Google Antigravity:Individuals $0/month per month · Business (Google Cloud) Starting at $30 USD per seat p per month
- Kiro:KIRO FREE $0 · KIRO PRO $20 per user / month · KIRO PRO+ $40 per user / month · KIRO PRO MAX $100 per user / month · KIRO POWER $200 per user / month
- Works with
- Google Antigravity:Python, Google Cloud, Gemini models, API
- Kiro:AWS IAM Identity Center
Google Antigravity features
- Antigravity App. Command center to manage multiple local agents, group conversations into projects and schedule tasks.
- Antigravity CLI. Lightweight terminal-first interface to run autonomous coding agents, execute shell commands and manage background subagents.
- Antigravity IDE. Fully-featured agentic IDE with agent manager, artifacts and deep code-base understanding.
- Antigravity SDK. Python SDK to prototype custom agents with minimal code for software-engineering automation.
- Agent-first surface. Orchestrates multiple sub-agents across environments, running complex workflows in the background.
- Scheduled automation. Automates routine tasks with scheduled messages across workspaces.
Kiro features
- Spec-driven development. Generate executable specifications from natural-language prompts and run them against your code.
- Parallel AI agents. Run multiple agents that learn from each session to speed up large-scale code changes.
- Kiro CLI & IDE. Interact via a terminal UI or full-featured IDE with cloud-backed sessions.
- Cloud workspaces. Create cloud sessions that sync local agents, hooks, and steering configurations.
- Model selection & credits. Choose from open-weight, Claude, and premium models; usage metered in credits.
- Team billing & SSO. Per-user plans with consolidated billing, SAML/SCIM SSO via AWS IAM Identity Center.
Google Antigravity vs Kiro FAQ
What is the difference between Google Antigravity and Kiro?+
Kiro: Agentic IDE with spec-driven development, similar scope but from AWS ecosystem.
Should I use Google Antigravity or Kiro?+
Pick Google Antigravity if you want agent-first development environment or integrations with Python, Google Cloud or Gemini models (on Google Antigravity's list, not Kiro's). Pick Kiro if you want spec-driven development with AI agents, spec-driven agentic IDE or integrations with AWS IAM Identity Center (on Kiro's list, not Google Antigravity's).
Is Google Antigravity or Kiro free?+
Google Antigravity has a free plan (Individuals) and paid plans. Kiro has a free plan (KIRO FREE); paid plans start at $20/month per user (KIRO PRO).
Do Google Antigravity and Kiro integrate with the same tools?+
Their integration lists don't overlap: Google Antigravity lists Python, Google Cloud, Gemini models and API; Kiro lists AWS IAM Identity Center.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.