Google Antigravity
Google's agent-first coding platform: app, CLI, IDE and SDK
About
Google Antigravity is an agent-first development platform with an app, CLI, IDE, SDK and IDE extensions. The free Individual plan offers a variety of agent models, unlimited Tab and Command requests and basic weekly limits. Paid access comes through Google AI plans (Plus, Pro, Ultra 5x and Ultra 20x), which add Gemini 4 Argon plus Claude Sonnet 5.5 and Opus 5.5. Business plans are sold via Google Cloud.
Key Features
Pros
- Free tier with unlimited Tab and Command requests
- Frontier Google and Claude models on paid tiers
- Multiple surfaces: app, CLI, IDE, SDK
- Entry paid tier at $4.99/mo
- Business plans through Google Cloud
Cons
- Free tier has basic weekly limits
- Claude models only on Pro/Ultra
- Plan prices are Google AI plan prices, not Antigravity-only
Pricing Plans
Individual
Free with basic weekly limits
- Variety of agent models
- Unlimited Tab and Command requests
- Basic weekly limits
Google AI Pro
Gemini 4 Argon and Claude 5.5 models
- Gemini 4 Argon
- Claude Sonnet 5.5 & Opus 5.5
Individual
Free with basic weekly limits
- Variety of agent models
- Unlimited Tab and Command requests
- Basic weekly limits
Google AI Pro
Gemini 4 Argon and Claude 5.5 models
- Gemini 4 Argon
- Claude Sonnet 5.5 & Opus 5.5
Supported AI Models
Gemini 4 Argon
Google / API
Context Window
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Latency (TTFT)
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Pricing (Output)
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Gemini 3.8 Flash
Google / API
Context Window
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Latency (TTFT)
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Pricing (Output)
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Claude Sonnet 5.5
Anthropic / API
Context Window
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Latency (TTFT)
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Pricing (Input)
Included
Pricing (Output)
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Claude Opus 5.5
Anthropic / API
Context Window
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Latency (TTFT)
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Pricing (Input)
Included
Pricing (Output)
Included