A decision for a beginner, not a spec sheet. Scores are our weights. Prices are the public plans, and anything marked verify on the tool page should be re-checked before you pay.
Pick Google Antigravity if you are trying an editor agent without a subscription.
Pick Windsurf if you want an editor agent at $20 with frontier models and cloud agents.
A free agent IDE, with higher quotas on Google AI Pro and Ultra.
Cheapest verified paid plan: Google AI Pro · $19.99/mo
The editor formerly called Windsurf, now sold as Devin Desktop.
Cheapest verified paid plan: Pro · $20/mo
Web app or SaaS
Mobile app
Game
Website or landing page
Automation or script
No code
I can follow a change
I already develop
Last verified 2026-10-19
Individual
Free
VerifiedUnlimited Tab and Command requests. Weekly agent quota. Gemini models, including Gemini 3.8 Flash, which the plans doc names as a core agent model. No published prompt count.
The Antigravity pricing page lists this at $0/mo.
Individual
$19.99/mo
VerifiedHigher Antigravity quota, refreshed every five hours until a weekly limit. AI credits can cover overage if you allow it. Also a Google One plan with storage and other Google AI benefits.
The dollar amount is the Google AI Pro price on Google One. Antigravity's own pricing page describes the higher limits and does not print $19.99.
Individual
$99.99/mo
VerifiedHighest Antigravity quota class, refreshed every five hours, plus third-party models. Google labels this 5x Pro Gemini usage.
Price is from Google One and Gemini subscription pages, which are the plans Antigravity docs say raise the quota.
Individual
$199.99/mo
VerifiedThe highest weekly limits Google documents for these plans, labeled 20x Pro Gemini usage.
Same source split as the 5x tier: quota rules on Antigravity docs, price on Google One.
Last verified 2026-10-19
Individual
Free
VerifiedLight agent quota, limited models, unlimited inline edits, and unlimited Tab. Quota size is not published.
Price and qualitative limits are from the Devin pricing page. The missing number is stated, not invented.
Individual
$20/mo
VerifiedDaily and weekly quotas, frontier models, free use of SWE-2, Devin Cloud, and extra usage at API pricing. One user. Quota size is not published.
Devin docs describe Pro as the entry individual plan at $20/mo. The pricing page lists free use of SWE-2 and does not print an end date for it.
Individual
$200/mo
VerifiedEverything in Pro with a significantly larger weekly quota and no daily cap. The quota multiple is not published as a number.
The no-daily-cap rule is on Devin's self-serve plan docs. The pricing page says significantly higher quotas and does not print a number.
Free quota refreshes weekly. Google AI Pro refreshes every five hours until a weekly limit. Ultra refreshes every five hours and has the highest weekly limits. Prompt counts are not published because heavier tasks spend more quota.
On the free plan, wait for the weekly refresh. There is no credit overage.
Pro has daily and weekly quotas. Max has a weekly quota and no daily cap. Cognition does not publish the size. Past the quota, paid plans can buy extra usage at API pricing.
Check the in-app quota before you assume you need a new tool. Pro resets daily and weekly. Max has no daily cap, so a heavy afternoon may not clear overnight.
Google Antigravity's cheapest paid plan the ranking counts is Google AI Pro at $19.99/mo. Windsurf's cheapest paid plan the ranking counts is Pro at $20/mo.
Google Antigravity is for trying an editor agent without a subscription, gemini-first coding on a weekly quota, and a $20-ish step up via Google AI Pro if the free week runs out.
Windsurf is for an editor agent at $20 with frontier models and cloud agents, developers comparing Windsurf with Cursor's current plans, and people who still search for Windsurf and need the current product name.
Google Antigravity scores 2 out of 5 for someone who does not want to read code. Windsurf scores 1 out of 5. Google Antigravity has the higher no-code score. Better than a pure terminal, and you are still in an IDE. You are in an IDE. Do not start here if you wanted a form.
Google Antigravity: Free. Unlimited Tab completions and Command requests, Gemini models, and a weekly agent quota. The quota is not a published prompt count. It refreshes weekly, not every five hours. Windsurf: A light agent quota, limited model access, unlimited inline edits, and unlimited Tab. Cognition does not publish the quota as a number.