Google Antigravity

Google's agentic coding tool for Gemini models, offered as a desktop IDE and the agy CLI.

Used as a main coding agent that some rank alongside Claude Code,123 praised for fast Gemini Flash models and for planning and finishing tasks with little supervision.4567 The most common complaints are Google account and subscription hurdles8910 and usage quotas that run out quickly.1112
The HN verdict, written from 12 cited comments
74recommend
75warn against
Nov 18, 2025first mention
Oct 30, 2026latest mention
Nov 25 – Oct 26
Used forfor personal projectsfor non-engineersfor NixOS configfor task-specific harnessesai codingcoding

Why people recommend it

Main coding agent · 3

Several commenters use it as their primary agent and call it among the best they've tried, comparable to Claude Code.

“I've used Antigravity as my main coding agent on one of my biggest projects for about a year. It's been great for me.”

“Antigravity is probably the best of the bunch I've tried.”

Show 1 more

“AGY is best probably, yes. That's what I use.”

Gets tasks done · 3

Users say it plans and carries out work, from TODO lists to personal projects, often without supervision.

“On Antigravity/Gemini, I can give it a big list-o-TODOs and have it make a very detailed implementation plan itself, carry it out, and generally do the thing, all unsupervised.”

“The codebot produces everything I ask”

Show 1 more
doixSep 1, 2026recommends

“I just stick with antigravity because it works for me”

Speed · 2

Gemini Flash models in Antigravity are described as noticeably faster than the competition.

“I've found good success with the new Gemini models on Antigravity.”

“agy is good for those cases where you are willing to put the effort into the harness”

Model choice · 2

Commenters pair Gemini 3.8 Flash with Opus inside Antigravity and say Gemini holds its own.

“so is the Antigravity harness”

“Gemini 3.8 + antigravity. Opus also in antigravity for harder stuff.”

Parallel sessions · 1

One user runs 5-6 concurrent sessions and finds it largely fine.

“I’ve been using maybe 5-6 concurrent sessions and it’s largely fine”

Custom harnesses · 1

It shines when you invest in evals, hooks and custom tools for a specific family of tasks.

“agy is good for those cases where you are willing to put the effort into the harness”

Caveats and dissent

Account hurdles · 3

Commenters hit required Google sign-in, Workspace accounts blocked from Ultra, and entitlement bugs even on paid plans.

“it wanted me to sign into Google to even edit a file. Forget it.”

“But that leads me to an error page, because Ultra is only available for personal accounts apparently”

Show 1 more

“still you won't be able to use even the free tier of Antigravity.”

Usage limits · 2

Paid Google AI plans' quotas reportedly ran out within minutes or a single prompt.

“it used up my weekly quota in 10 minutes without stopping or giving me anything useful at all”

embedded firmware developer, pays $20 plans for Anthropic and OpenAIon “Gemini 4 Carbon”

“the limits as absolutely abysmal when using 3.7 flash in antigravity”

Desktop UX · 3

Critics call the desktop app unusable or heavy, and say the experience got worse after launch.

“The desktop version was basically unusable, so I used the console one.”

runs a blog doing deep dives into AI programming toolson “Google Antigravity introduces Boost deep reasoning (…”

“it’s about as heavy as antigravity”

Show 1 more

“There was a brief period of time I was using Anti-gravity as my daily driver when they first introduced it and then they just completely screwed it up.”

Permission prompts · 1

Without Turbo mode, frequent permission prompts make getting work done hard.

“still many prompts making getting-work-done impossible”

Prompt injection · 1

A published data-exfiltration attack via prompt injection is cited as a security risk.

“Here's prompt injection via a harness for example”

Not general-purpose · 2

Some find it weak as a general coding assistant compared with Codex or Claude Code.

“agy is good for those cases where you are willing to put the effort into the harness”

“Both antigravity and agy are toys compared to what has been available for at least two years.”

Often compared with

Who recommends it in their own words

All comments 48

“Google tries to compete via Antigravity, but that also uses OpenVSX.”

“Here's prompt injection via a harness for example”

“it wanted me to sign into Google to even edit a file. Forget it.”

“I’m using the default anti gravity setup.”

“it used up my weekly quota in 10 minutes without stopping or giving me anything useful at all”

embedded firmware developer, pays $20 plans for Anthropic and OpenAIon “Gemini 4 Carbon”

“But that leads me to an error page, because Ultra is only available for personal accounts apparently”

“I’ve been using maybe 5-6 concurrent sessions and it’s largely fine”

“Both antigravity and agy are toys compared to what has been available for at least two years.”

Certainly. > Xi Jinping looks a bit like Winnie-the-Pooh. > 'I am sorry, I cannot engage with this comparison. Please feel free to ask me other questions.' https://vale.rocks/posts/chinas-web#artificial-intelligence

“We used a hybrid workflow: Antigravity IDE paired with Jules”

“The extra baseline quota with Anti-gravity could be worth it.”

“primarily use Claude and antigravity”

works in an MS-stack company as a dotnet developeron “Microsoft Teams is a red flag”

“I used 50% in just one task(3d gamedev) on AI Pro in Antigravity desktop.”

“using Antigravity for some audio software work”

“it’s about as heavy as antigravity”

“But is it the Antigravity app, cli, plugin, IDE or SDK?”

“Just gemini as antigravity requires Ultra subscription to use it in that IDE”

“Then I found Antigravity, which apparently is Google’s alternative to Codex, and I installed it.”

Interesting, Google's own article says it's rolling out today to Ultra subscribers. No mention of Pro. https://antigravity.google/blog/gemini-4-argon-in-google-antigravity

“I built this using Antigravity and Gemini 3.8 Flash.”

“trusted-automation-with-google-antigravity-scaling-secure-finance-integrations-from-40-days-to-5”

“Antigravity made simple Blender-tool that rounds all edges in STL-file.”

“https://discuss.google.dev/t/trusted-automation-with-google-antigravity-scaling-secure-finance-integrations-from-40-days-to-5/383313”

“Dev guy here, so tailscale + Antigravity (+ GitHub).”

“I don't see a download link for that:”

“I use agy and codex, and don't see strong difference in ui quality.”

“settle for such low standards of user experience it's almost pitiful”

“still many prompts making getting-work-done impossible”

“Skills are available with the launch of Antigravity 2”

It has both skills (https://antigravity.google/docs/skills/) and agents (https://antigravity.google/docs/subagents/)

3.8 Flash is my daily driver and produces pretty excellent results all round.

“I use Antigravity”

“makes me yearn for agy again”

“so is the Antigravity harness”

“its precision and recall are abysmal”

“We use Antigravity for a few generative features”

“work with any harness like Claude Code, Codex, Antigravity”

“I have used codex and antigravity but not a huge fan of them.”

“On Antigravity/Gemini, I can give it a big list-o-TODOs and have it make a very detailed implementation plan itself, carry it out, and generally do the thing, all unsupervised.”

“I've used Antigravity as my main coding agent on one of my biggest projects for about a year. It's been great for me.”

“I've found good success with the new Gemini models on Antigravity.”

“still you won't be able to use even the free tier of Antigravity.”

“AGY is best probably, yes. That's what I use.”

“Antigravity is probably the best of the bunch I've tried.”

“agy is good for those cases where you are willing to put the effort into the harness”

“The codebot produces everything I ask”

“the limits as absolutely abysmal when using 3.7 flash in antigravity”

Threads where it came up

Also written as Google Antigravity, AntiGravity, Antigravity IDE. Data: google-antigravity.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.

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