What tools are in the Antigravity (Google) stack?

Antigravity for Plan + write + iterate. Claude for Cross-vendor diff review

How much does the Antigravity (Google) stack cost per month?

Solo OSS, preview tier: $0/mo. Solo dev, full IDE features: $40/mo. Team on Google Cloud: $200/mo.

Code · Workflow

Antigravity (Google)

Google's AI IDE: Gemini 2M-context inside the editor

Antigravity is Google's answer to Cursor. The differentiator: Gemini's 2M-token context window means the IDE can hold the entire repo in its working memory. Best fit when your codebase is big and your platform is already Google.

Updated 2026-05-05· 2 weeks ago

CODEBUILDERINTERMEDIATEIntermediateFrom $0/mo

Antigravity· Plan + write + iterateClaude· Cross-vendor diff review

The stack

Antigravity

Plan + write + iterate

IDE-shaped surface backed by Gemini. Built-in planner agent + editor agent + review pass. Best when the repo is large enough that smaller-context IDEs lose the thread.

Free · $20/mo AI Pro · $249.99/mo AI UltraAlts: Cursor, Claude Code, Codex

Claude

Cross-vendor diff review

Antigravity's built-in review pass uses Gemini — same model that wrote the code. A second opinion from Claude (different lineage, different priors) catches what Gemini's self-review wouldn't. Paste the diff + ticket; ask for a structured review.

$20/mo Pro · Sonnet API $3/$15 per M tokens (input/output)Alts: CodeRabbit

Real monthly cost

small

$0/mo

Solo OSS, preview tier

antigravityFree preview
claudeFree tier

medium

$40/mo

Solo dev, full IDE features

antigravity~$20 (post-GA est.)
claude$20 Pro

heavy

$200/mo

Team on Google Cloud

antigravity~$100 (5 seats)
claude$100 (5× $20 Pro)

Workflow

1
Open the repo in AntigravityAntigravity
Same as VS Code. The first index pass takes a minute or two for a large repo; subsequent prompts use the cached context.
2
Hand the planner the ticketAntigravity
Antigravity's planner agent reads the whole repo. Generates a plan that respects existing patterns.
3
Editor agent applies the planAntigravity
Multi-file edits with diffs you accept hunk-by-hunk. The 2M context means it rarely loses the thread mid-refactor.
4
Cross-vendor review with ClaudeClaude
Push the branch and grab the diff. Paste it into Claude with the ticket; ask for a structured review. The cross-vendor angle catches Gemini-flavored blind spots before a human reviewer does.
5
Apply review fixesAntigravity
Bounce Claude's findings back to Antigravity's editor agent. The whole-repo context makes review-fix patches especially clean.

Proof

Write-up

booststash — three weeks of daily Antigravity use

booststash.com

Independent reviewer, not a Google employee. Three weeks of daily-driver use with screenshots of real IDE output and called-out bugs. Antigravity is preview-tier so most write-ups are still vendor-authored — this one isn't.

What it produced

Backend team on GCP

Ran a 4-week refactor (replacing an internal pubsub layer) with Antigravity as the primary IDE. The 2M-context kept the agent on-track across ~30 files; previous attempt with a smaller-context IDE drifted by file 12.

Common pitfalls

Preview-tier limits

Antigravity is in preview. Quotas, model availability, and pricing may shift before GA. Don't bet a deadline on a specific feature without a fallback IDE.

Whole-repo context can leak secrets

If your repo has committed .env or service-account keys, the agent will happily quote them in chat. Audit git history before pointing the agent at the repo.

Other ways to do Ship code with AI

Ship code with AI Recommended

Plan in Claude chat, write in Claude Code, review with CodeRabbit

$0/mo