Strategy & GuidesFIELD NOTE · 19 MIN

Antigravity vs Claude Code, Which One Ships Faster

Antigravity vs Claude Code, timed on one real ticket: 14 minutes against 23. Google's agent-first platform against Anthropic's terminal agent, measured.

AITerm 19 min read

Antigravity is Google's agent-first platform: an IDE, a desktop Agent Manager and the agy CLI. Claude Code is Anthropic's terminal agent, included on every paid Claude plan from $20 a month. We ran one real ticket through both and Claude Code finished in 14 minutes against 23, with the whole ticket done.

That last clause is the article. The minutes are close enough to argue about. The definition of done is not.

Updated October 14, 2026 · by the AITerm team

14

minutes to a green build with Claude Code on our pane keybinding ticket, against 23 through the Agent Manager

0

numeric agent quotas published by Google for Antigravity, which is why lockouts arrive without warning

Nov 2

the date Claude Opus 4.6 and Sonnet 4.6 leave Antigravity's model list, taking free Claude access with them

Key takeaways

  • Different shapes, not different intelligence. Antigravity is an IDE plus a desktop Agent Manager plus a CLI, built so you review artifacts. Claude Code is one loop in your shell, built so you approve actions.
  • Antigravity owns browser-verified work. Its browser subagent drives a managed Chrome profile, records the session and hands back screenshots. Claude Code needs its Chrome integration or an MCP server to come close.
  • Claude Code owns the build gate. On our ticket it shipped all seven localization files; the Antigravity run announced completion with two missing.
  • The quota story is the real cost difference. Google publishes no agent quota numbers, and users report five hour refreshes stretching into days and seven day lockouts from the free tier.
  • Free Claude models inside Antigravity end on November 2, 2026. Opus 5.5 and Sonnet 5.5 landed for paid Pro and Ultra accounts only.

What actually separates the two

The surface and the review loop. Antigravity 2.0 shipped in May 2026 as a standalone desktop app for managing agents, with a CLI and an SDK alongside it, while the original editor continues as the Antigravity IDE. Claude Code runs the same engine across a terminal, VS Code, JetBrains, a desktop app and the web, per Anthropic's own overview.

So, forget which model is smarter. Both can run Claude. What matters here is which review loop matches the work in front of you.

In practice, Antigravity asks you to read artifacts after the fact: a task list, an implementation plan, code diffs, a walkthrough. Claude Code asks you to approve actions as they happen.

  Antigravity Claude Code
Primary surfaceIDE, desktop Agent Manager, agy CLITerminal, plus IDE, desktop and web on one engine
Review modelComment on artifacts after the runApprove actions during the run
Parallel workBuilt in, one agent instance per task in one dashboardSubagents, background agents, or one session per pane
Browser testingBrowser subagent on a managed Chrome profile, video and screenshotsChrome integration or an MCP server you wire up
Quota visibilityLimits described in words, no published numbers/usage and a stated rolling five hour window
Claude modelsOpus 5.5 and Sonnet 5.5 on paid Pro and Ultra onlyNative, on every paid plan
Free entryYes, individual tier at $0No, paid plan required

Look, one row explains most of the arguments you will read online. Antigravity has a free door and Claude Code does not, so this comparison keeps getting written by people on very different budgets.

Is Google Antigravity better than Claude?

For interface work, often yes. For anything with a build gate, no, and the published comparisons land in the same place.

DataCamp's head to head rates Claude Code higher on audit trails, approval steps and strict permissions, and calls Antigravity the more experimental option. Search "antigravity vs claude code" on Reddit and the anecdotes split along the same line.

Honestly, the pattern is consistent enough to plan around. A Softr comparison quotes an r/vibecoding thread where a non-technical product manager got better interface results out of Antigravity than Claude Code. A dev.to author who ran both on one slide-deck project described Claude Code as a breeze and the Antigravity run as frustrating.

Turns out both can be true. Antigravity is built to show you something. Claude Code is built to change something and tell you exactly what it touched.

Our opinion

The Agent Manager is the best interface anyone has shipped for watching several agents at once, and it is still the wrong place to run your main loop. An agent that reports a task complete when two files are untouched does not become trustworthy because the dashboard is beautiful. Reliability is a property of the gate, not the chrome around it.

We ran the same ticket through both

One ticket from the AITerm 1.10 milestone, played twice on the same M2 Air the same afternoon: add a configurable keybinding that cycles panes, surface it in the command palette, and localize the new strings across all seven L10n files. Claude Code reached a green build in about 14 minutes. The Antigravity run took about 23.

01 Same brief

The ticket text, pasted identically into both. No extra hints, no mid-run coaching beyond approvals and one artifact comment.

02 Same gate

Done meant ./build.sh green and the new string present in all seven localization files. Not done meant not done.

03 Same clock

Timer started at submit and stopped at the green build, review time included. Reading the walkthrough counts as work.

04 One repo

A real Swift package with a real build script, not a scaffolded demo. Antigravity ran the IDE, Claude Code ran in an AITerm pane.

TIME TO A GREEN BUILD, SAME TICKET, SAME AFTERNOON, SAME LAPTOP Antigravity ~23 min Claude Code ~14 min Planning and approvals Agent working Reading the walkthrough Finishing what it missed Follow-up fix AITERM REPOSITORY, ONE TICKET, OUR OWN TIMER. MINUTES ROUNDED, NOT A BENCHMARK SUITE.

You are probably thinking nine minutes is noise on a ticket this size. Fair. The gap is not the interesting part, where the time went is.

Antigravity produced a plan artifact we annotated once, which worked well, then did the Swift work at a pace close to Claude Code's. It lost the race afterwards. The walkthrough announced a completed task with five of the seven localization files touched, so the last stretch was us finding the gap and closing it by hand.

Claude Code spent longer asking. Two approvals, one follow-up when the German string came out wrong, and a build it ran itself before claiming anything. The short version: it was slower per step and faster to done.

And yes, we botched the first attempt badly enough to throw it away. We launched the Antigravity run with the dev server down, so the browser subagent had nothing to drive, and the walkthrough still read like a success.

Our timer said eight minutes. The feature did not exist. That one is on us for trusting a summary we had not opened.

The actual trap

A convincing walkthrough is not a passing build. Antigravity's artifacts are the best review material in this category, and they describe what the agent believes it did. If your definition of done is a command that exits zero, make that command the last step the agent runs, in either tool, and read the exit code rather than the prose.

How much does Antigravity cost?

Here's the thing. There is no Antigravity-only subscription, which trips up every budget conversation, because quota rides on a Google AI plan with organizations billed through Google Cloud instead. Claude Code is the flatter line: included on every paid Claude plan, metered against the same pool as the rest of your Claude usage.

Tier Antigravity, via Google AI Claude Code, via Claude
Free$0 individual, weekly agent limit unquantifiedNot included on the Free plan
Entry paidPro at $19.99 a monthPro at $20 a month, or $17 billed annually
Heavy useUltra 5x at $99.99, Ultra 20x at $199.99Max from $100, at 5x or 20x Pro usage
TeamsGoogle Cloud billing, Business seats quoted from $30Team at $25 a seat monthly, $20 billed annually
Stated limit shapeFive hour and weekly pools, no numbers, compute effort wordingRolling five hour session window, shared with the rest of your plan

Read those Antigravity prices as approximate on purpose. CloudZero's breakdown lists $19.99, $99.99 and $199.99 while other trackers round to $20, $100 and $200, and preuve.ai notes the quotas have changed several times this year.

In practice, when the trackers disagree on the dollar, check the billing page before you commit a team.

Why do Antigravity users keep getting locked out?

Because the meter is invisible and the pools moved. Google describes Antigravity's agent limits in words rather than numbers, and users measure the result in lockouts. An XDA Developers reviewer closed the free tier for good after a seven day lockout triggered by roughly 20 to 30 minutes of agent use, with quota expressed as compute effort.

And yes, paid users get it too. A devclass report from March 2026 covered Pro subscribers protesting far lower weekly throughput than before. The Google AI Developers Forum carries threads describing the Gemini Pro reset stretching from five hours to five days.

Google did respond. Android Authority reported Antigravity lead Varun Mohan announcing a tripling of Gemini limits across paid tiers plus a weekly quota reset, with the higher limits applying only inside Antigravity.

That helps. It does not give you a number to plan a sprint against.

Honestly, our own week says the same thing in a smaller way. Two lockouts on the Antigravity side, neither preceded by a counter we could read, against a Claude Code week where /usage told us where we stood before the long runs. The daily anonymous ping from AITerm puts the median user at around three concurrent agent sessions, and three sessions burn a quota you cannot see surprisingly fast.

Plan for this

Do not put a deadline behind a quota you cannot query. If Antigravity is in your week, keep the work that must ship on a metered tool and let Antigravity take the exploratory passes. A lockout on a Thursday afternoon is a product decision someone else made for you.

Antigravity's free Claude models expire on November 2

Look, this is the part no comparison table has caught up with yet. Claude Opus 5.5 and Sonnet 5.5 arrived in the Antigravity model picker for paid Google AI Pro and Ultra accounts, and reports note that Pro access excludes plans obtained through a promotion, a discount or a free trial. Free and Google AI Plus accounts get neither.

At the same time, the model documentation lists Claude Opus 4.6, Claude Sonnet 4.6 and GPT-OSS-120B as removed on November 2, 2026. Free accounts are left with Gemini.

Which kills the single best argument for Antigravity over Claude Code. Fair question: was that offer ever meant to last? Running frontier Anthropic models for free inside a competitor's IDE was genuinely strong, and it was always a loss leader.

We built on it anyway. We told a teammate to run their side project through Antigravity precisely for that free Claude access, and the workflow they built now needs a paid Google plan to keep the same models.

Six weeks of habit, pointed at a tier that moved. If you want Claude models as an engineering dependency, own the subscription that ships them.

Can Claude Code work in Antigravity?

Not in that direction. Nothing in Google's documentation offers Claude Code as an agent inside Antigravity, and the integration traffic runs the other way: community plugins that call Antigravity's agy CLI from inside Claude Code.

Look, this is the quota arbitrage nobody labels as such. Your Claude Code session delegates a task to agy, which bills against a Google pool rather than your Claude pool, and the result comes back into the session you were already in.

# Claude Code, installed from Anthropic's own installer
curl -fsSL https://claude.ai/install.sh | bash

# then, inside a session, delegate to Google's agent with a community plugin
/agy:delegate refactor the pane cycling logic and report the diff
/agy:ask which of these two approaches survives a 20-pane session

# headless, the same shape on both sides
claude -p "review the changed files for retain cycles"
agy -p "summarize the failing snapshot tests"

In practice, simplybychris/antigravity-plugin-cc routes those slash commands through a subagent to agy -p using your own local binary, auth and config. Vit129/agy-plugin-cc, MIT licensed at v1.5.1, adds job tracking, background execution and a review gate that fires when the session stops.

Fair warning: these are community projects, not Google or Anthropic products. Read the code before you install one, the same way you would with any plugin that gets a shell.

Where Antigravity genuinely wins

Browser-verified frontend work, and it is not close. The browser subagent opens a managed Chrome profile through an extension, runs your dev server, clicks through the app, then records video and screenshots before and after the change. Google's walkthrough docs describe it operating on browser tabs as needed, with a model specialized for browsing rather than the one driving your main agent.

And yes, the containment is sensible. It runs in a separate Chrome profile rather than your personal one, it asks permission to start a debugging session, and the whole capability has an off switch plus URL allowlists and denylists in User Settings.

Then there is the Agent Manager. One agent instance per task, a dashboard showing every agent's status, the artifacts it produced and the approvals waiting on you, with Planning and Fast modes per agent. One guide describes running five tasks at once and checking back when convenient.

Claude Code reaches the same parallelism with subagents, background agents and one session per pane, and it reaches browser testing through its Chrome integration or an MCP server. DataCamp's comparison notes that browser work with Claude Code typically goes through MCP plugins.

Honestly, that is more wiring than clicking a toggle, and anyone who says otherwise has not done it.

Why the terminal still wins on a laptop

Because the measurements have not changed, and nobody in this comparison seems to run both on one machine for a full day. Here's the thing: the IDE is not free. Antigravity IDE with one agent running, its managed Chrome profile open and a dev server attached sat around 2.4 GB resident on our M2 Air.

Twenty AITerm panes streaming agent output, on the same laptop, total about 140 MB. Keystroke latency stayed under 8 ms with every pane busy, and the whole app is 8 MB of Swift.

Turns out a terminal that does not ship a browser engine leaves room for the agents.

That difference buys you concurrency you can actually use. Three agent sessions is the median we see in our daily ping, and three sessions plus an Electron-class editor plus a browser profile is where a 16 GB machine starts swapping. For the wider field, our comparison of the AI coding agents has the per-tool numbers, and the Gemini CLI migration story explains how Google got from an Apache 2.0 terminal client to agy in the first place.

Tip

Run both, in panes, not in windows. Claude Code in one pane for the work that has to merge, agy in another for the exploratory pass on Google's quota, and the browser subagent for the screens you need to see. AITerm keeps the live status of each session visible so the blocked one does not sit waiting while you read the other.

Which one belongs in your week

So, our rule after a month of running both: antigravity vs claude code is a lane decision, not a replacement decision. The tool with the build gate owns anything that merges. Antigravity owns the work you need to watch happen in a browser, and if you are still shopping, the editor-first alternatives are a different conversation again. So is AWS's spec-first take, which we cover in Kiro vs Claude Code.

Claude Code

Refactors, migrations, test suites, CI runs, anything behind a build gate, anything you need metered before a deadline, and parallel sessions on worktrees.

Antigravity

Interface work you want recorded, flows that need clicking through, prototypes, and the exploratory passes you would rather not bill to your Claude pool.

Honestly, neither

A workflow that depends on free frontier Claude models inside Antigravity. That tier has a date on it, and the date is November 2.

If you only take one thing: make the agent run your build as its last step, in whichever tool you picked, and judge it on the exit code. Then tell us what broke: hello@aiterm.app.

Going further

Sources

  1. Google Antigravity, Wikipedia, 2026: Antigravity 2.0 added in May 2026 as a standalone desktop app for managing agents alongside a command-line interface and an SDK, the original editor continuing as the separate Antigravity IDE, the availability of Anthropic and OpenAI models beside Gemini, and the history of generous Gemini 3 Pro rate limits refreshing every five hours.
  2. Antigravity IDE walkthrough, Google, 2026: the browser subagent operating on browser tabs as needed with a model specialized for browsing, artifacts including the task list, implementation plan, code diffs and walkthrough, and the Auxiliary Pane used to open them.
  3. Claude Code overview, Claude Code documentation, 2026: Claude Code described as an agentic coding tool available in the terminal, IDE, desktop app and browser with every surface on the same engine, the curl -fsSL https://claude.ai/install.sh | bash install command, subagents and background agents for parallel work, headless claude -p piping, CLAUDE.md and AGENTS.md memory, skills and hooks, and the statement that most surfaces require a Claude subscription.
  4. Claude pricing, Anthropic, 2026: Free at $0 without Claude Code, Pro at $20 monthly or $17 a month billed annually, Max from $100 with 5x and 20x options, Team Standard at $25 a seat monthly or $20 billed annually, Enterprise at $20 a seat billed annually plus usage at API rates, the statement that Claude Code is included in all paid plans and shares the same usage limits as the rest of your plan, and limits resetting on a rolling five-hour session window.
  5. Google Antigravity pricing, CloudZero, 2026: the individual tier at $0 with unlimited tab completions and command requests, Pro at $19.99, Ultra 5x at $99.99 and Ultra 20x at $199.99, organizations billed through Google Cloud with Business seats quoted from $30 a seat a month, and agent usage governed by a weekly limit Google does not quantify.
  6. Google Antigravity IDE review, preuve.ai, 2026: Google describing its Antigravity quotas in words rather than numbers and changing them several times during the year, the individual tier listed at $0 with basic weekly rate limits and no published end date, and the free tier reduced to Gemini models once the third-party models are removed on November 2, 2026.
  7. I tried Google's Antigravity for a week, and this limitation made me close it for good, XDA Developers, 2026: the free tier judged unusable for real work, a seven day lockout after roughly 20 to 30 minutes of agent use, and quota measured in compute effort with no way to see how close you are to the limit.
  8. Users protest as Google Antigravity price floats upward, DevClass, 13 March 2026: Pro subscribers reporting far lower weekly token throughput than before the change, and user protest over the revised Antigravity pricing and quotas.
  9. Google ups Gemini limits once again for Antigravity users, Android Authority, 2026: Varun Mohan announcing a tripling of Gemini limits across paid Antigravity tiers together with a reset of weekly quotas after criticism, and the higher limits applying only inside Antigravity.
  10. Gemini Pro reset period increased from 5 hours to 5 days on Antigravity, Google AI Developers Forum, 2026: paid users reporting the five hour refresh stretching to days, and a /usage panel showing weekly and five hour meters separately for Gemini and for Claude and GPT models.
  11. Inquiry regarding unexpected rate limit reached on Antigravity 2.0, google-antigravity/antigravity-cli, 14 June 2026: a report of hitting the rate limit almost immediately on Antigravity 2.0 while using only Gemini Flash, with no Claude or GPT models involved.
  12. Antigravity, Claude 5.5 models, Pro trial exclusion and the November 2 model retirement, SmartScope, 2026: Claude Opus 5.5 and Sonnet 5.5 appearing in the Antigravity model picker for paid Google AI Pro and Ultra accounts only, Pro access excluding plans obtained through a promotion, a discount or a free trial, and the model documentation listing Claude Opus 4.6, Claude Sonnet 4.6 and GPT-OSS-120B as removed on November 2, 2026.
  13. Claude Code vs Antigravity, DataCamp, 2026: Antigravity framed as an agent-first IDE with autonomous task orchestration against Claude Code as a terminal-first tool, Antigravity credited with parallel agents and a built-in browser subagent, Claude Code preferred for audit trails, approval steps and strict permissions, and browser testing with Claude Code typically going through MCP plugins.
  14. antigravity-plugin-cc, simplybychris, 2026, and agy-plugin-cc, Vit129, 2026: community Claude Code plugins that delegate to Google's agy CLI, with /agy:ask and /agy:delegate routing through a subagent to agy -p using your local binary, auth and config, and the second adding job tracking, background execution and a stop-time review gate at v1.5.1 under the MIT license.
  15. Antigravity vs Claude Code, Softr, 2026: the r/vibecoding account of a non-technical product manager getting better interface results from Antigravity than from Claude Code, alongside the recurring reliability complaint that Antigravity reports tasks as complete when they are not.

Frequently asked questions

Is Google Antigravity better than Claude?

On interface work and anything you need to watch happen in a browser, Antigravity has the better machinery, because the browser subagent drives a managed Chrome profile, records the run and hands you screenshots. On codebase work with a build gate, Claude Code wins on our own testing and on most published comparisons: DataCamp's head to head rates Claude Code higher on audit trail, approval steps and permissions, and a dev.to author who ran both on the same project described Claude Code as a breeze against a frustrating Antigravity run. The split is reliability, not intelligence. Both can call Claude models, so the model is rarely what separates them.

Can Claude Code work in Antigravity?

Not in that direction, and nothing in Google's documentation suggests it is coming. The supported path is the reverse: community plugins let Claude Code call Antigravity's agy CLI as a subagent. simplybychris/antigravity-plugin-cc adds slash commands like /agy:ask and /agy:delegate that route through to agy -p using your own local binary, auth and config, and Vit129/agy-plugin-cc (v1.5.1, MIT) adds job tracking, background runs and a review gate at stop time. These are community projects, not Google or Anthropic products, so read the code before you install one. What you get in practice is a second lane with its own quota, driven from the terminal you already live in.

Is Antigravity 2.0 free?

There is a free individual tier, and it is real, but it is not sized for a working day. Google lists the individual tier at $0 with unlimited tab completions and command requests, while agent usage runs against a weekly limit the company describes in words rather than numbers. An XDA Developers reviewer hit a seven day lockout after roughly 20 to 30 minutes of agent use, which is the gap between free and usable. A GitHub issue on the antigravity-cli repository from June 14, 2026 reports hitting the limit almost immediately on Antigravity 2.0 while running only Gemini Flash. Treat the free tier as a trial, not a plan.

How much does Antigravity AI cost?

There is no Antigravity-only subscription. Quota comes from a Google AI plan: CloudZero's breakdown lists $0 for individual, $19.99 for Pro, $99.99 for Ultra 5x and $199.99 for Ultra 20x, with organizations billed through Google Cloud and Business seats quoted from $30 a seat a month. Other trackers round those to $20, $100 and $200, which tells you how settled the pricing is. Claude Code is the simpler line item: included on every paid Claude plan, Pro at $20 a month or $17 a month billed annually, Max from $100, Team seats at $25 monthly or $20 billed annually. Both meter you. Only one publishes what you get.

Is there anything better than Claude Code?

For terminal-native work on an existing repository, we have not found one, and we test the alternatives for a living. Codex CLI is the serious second option if your team already bills through OpenAI, and we covered that comparison separately. Antigravity is better than Claude Code at browser-verified frontend work and at showing you several agents at once. Cursor remains better if you want an editor first and an agent second. Nothing on that list replaces Claude Code wholesale, which is why most teams we talk to run two tools and spend the second quota deliberately.

Does Antigravity use Claude models?

It did for free users, and that is ending. Claude Opus 5.5 and Sonnet 5.5 appeared in the Antigravity model picker for paid Google AI Pro and Ultra accounts only, with reports that Pro access excludes plans obtained through a promotion, a discount or a free trial. The model documentation lists Claude Opus 4.6, Claude Sonnet 4.6 and GPT-OSS-120B as removed on November 2, 2026, which leaves free and Google AI Plus accounts with Gemini models. If free Claude access inside a Google IDE was your reason to choose Antigravity, that reason has a date on it.

Which is faster, Antigravity or Claude Code?

Depends what you are timing, and most comparisons time the wrong thing. On raw agent throughput, Antigravity feels faster because the Agent Manager runs several tasks in parallel and you read the results later. On time to a merged, green commit, Claude Code was faster for us: 14 minutes against 23 on the same AITerm ticket, same afternoon, and the Antigravity run reported done with two of seven localization files untouched. Parallelism is not speed if you spend the saved minutes checking what the agent claimed.

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