The arena · AI coding assistant review
Google Antigravity
by Google
Google's agent-first IDE: up to 5 parallel Gemini 3.1 agents, a built-in Chrome for verification, and a real free tier
From $20/mo
Free rate-limited tier; paid access comes via Google AI plans: AI Pro $20/mo, AI Ultra $99.99/mo (roughly 5x Pro quota, introduced 2026) and a $199.99/mo top tier (down from $249.99), plus pay-as-you-go credit packs; credit-to-token conversion is not published. Verified against antigravity.google and 2026 pricing coverage 2026-07.
Rate-limited access to Gemini 3 models, quota refreshing roughly every 5 hours
IDE
Yes
No
No
What is Google Antigravity?
Antigravity is Google's agentic development platform, launched in November 2025 alongside Gemini 3 as a free VS Code fork rebuilt around agents. Its Manager View orchestrates up to five parallel agents, an embedded Chrome browser lets agents visually verify their own front-end work, and Artifacts (plans, screenshots, browser recordings) document what each agent did. In 2026 it defaults to Gemini 3.1 Pro and Flash, with Claude and open models also selectable.
Google Antigravity pros & cons
Pros
- Manager View is a genuine step forward: dispatch up to 5 agents in parallel across workspaces and supervise them like a tech lead instead of babysitting one chat
- Built-in Chrome integration lets agents click through and screenshot the UI they just built, catching visual bugs other IDEs miss
- Default Gemini 3.1 Pro is a top-tier agentic coder (53.8% on Terminal-Bench 2.0, leading credible benchmarks), and the IDE is tuned around it
- Real free tier: rate-limited access to Gemini 3 models with quotas refreshing roughly every 5 hours, enough to evaluate seriously at $0
- Bundled into existing Google AI Pro ($20/mo) and Ultra subscriptions, so many users get it at no marginal cost
- VS Code fork: your extensions, themes and keybindings carry over
Cons
- Opaque, unstable pricing: the credit-to-token conversion is undisclosed and the credit system has changed several times since launch; users report burning 635 of 1,000 credits in a single Claude Opus session and hitting quota lockouts of up to 7-10 days on paid plans
- Free and paid quotas have been repeatedly cut since the generous launch, with community threads calling post-cut Antigravity a paperweight
- Serious security track record: prompt-injection data exfiltration demonstrated by PromptArmor at launch, and a code-execution flaw bypassing Strict Mode patched in April 2026
- Gemini-first by design: Claude and GPT-OSS are selectable but first-party features are optimized for Gemini, and the agent cap is 5 (rivals go higher)
- Closed source, and your telemetry lives inside Google's ecosystem
The arena’s verdict
Take Antigravity if you are already paying for Google AI Pro or Ultra, or if your primary model is Gemini 3.1: the Manager View plus embedded Chrome combo is the best agent-supervision experience shipping today, and the free tier makes trying it a no-brainer. Do not build your workflow on it if you need predictable costs: undisclosed credit conversion, repeated quota cuts and reported multi-day lockouts make budgeting a gamble, and its security record demands you keep Strict Mode on and secrets out of the workspace. Claude-first developers get more per dollar from Claude Code; teams needing full autonomy should look at Devin.
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What the crowd says
“Got locked out of my PAID Pro quota for a week with zero warning after one heavy Opus session. Credit math is a black box. Cannot rely on this for client work until Google publishes real numbers.”
“The embedded Chrome is underrated. Agent built a form, opened it, screenshotted the broken layout and fixed it without me saying anything. First time I have seen self-verification actually work.”
“The Manager View is what I wanted agentic coding to feel like. Kicked off 4 agents on separate features before lunch, reviewed their artifacts after. When quota holds up, nothing else comes close for free.”
Google Antigravity: frequently asked questions
Is Google Antigravity free?
Google Antigravity offers a free tier (Rate-limited access to Gemini 3 models, quota refreshing roughly every 5 hours). Paid plans start at $20/mo.
How much does Google Antigravity cost?
Google Antigravity starts at $20/mo (freemium). Free rate-limited tier; paid access comes via Google AI plans: AI Pro $20/mo, AI Ultra $99.99/mo (roughly 5x Pro quota, introduced 2026) and a $199.99/mo top tier (down from $249.99), plus pay-as-you-go credit packs; credit-to-token conversion is not published. Verified against antigravity.google and 2026 pricing coverage 2026-07.