Google Antigravity free plan after Nov 2: Claude leaves, Gemini 3.8 Flash stays
By Quotadex Research Desk · Published 2026-11-01 · Last verified 2026-11-01
On November 2, 2026, Google removes Claude Sonnet 4.6, Claude Opus 4.6 and GPT-OSS-120b from Antigravity. They were the Claude and GPT models on the free plan. Free keeps Gemini 3.8 Flash as the agent model, unlimited Tab completions and a quota that refreshes weekly. Claude after that means Sonnet 5.5 or Opus 5.5 on a paid (non-trial) Google AI Pro, Ultra or Enterprise plan. Full plan details: Google Antigravity.
What leaves the free plan on Nov 2
| Model | Free & Google AI Plus | After Nov 2 |
|---|---|---|
| Claude Sonnet 4.6 (thinking) | Yes | Removed |
| Claude Opus 4.6 (thinking) | Yes | Removed |
| GPT-OSS-120b | Yes | Removed |
| Gemini 3.8 Flash | Yes | Stays |
Google's models page marks all three with "Will be removed on November 2, 2026." GPT-OSS-120b goes from every plan, not only Free. The Claude 4.6 models also go from Google AI Pro.
What the free plan keeps
- Gemini 3.8 Flash as the core agent model
- Unlimited Tab completions
- All product features, including scheduled tasks and the CLI
- A "meaningful quota, refreshed weekly" plus a weekly rate limit
Google publishes no exact number for the free quota. It tracks how much work the agent does, so simple tasks get more prompts than complex ones, and Google says limits can change with capacity. You can see what's left on the Settings page.
Where Claude goes
| Plan | Claude Sonnet 5.5 / Opus 5.5 | Quota refresh |
|---|---|---|
| Free & Google AI Plus | No | Weekly |
| Google AI Pro | Yes, non-trial subscriptions only | Every 5 hours, until a weekly limit |
| Google AI Ultra | Yes | Every 5 hours, highest limits |
| Enterprise | Yes | Gemini Enterprise terms |
A Google AI Pro trial won't keep Claude: Google says Claude 5.5 on Pro is for non-trial subscriptions only, and you have to submit a request to switch from the trial to paid. Pro and Ultra users can also pay for extra usage with purchased AI credits. Free users can't, and there's no bring-your-own-key option on any plan.
Should free users switch?
If you used Antigravity's free plan mainly for Claude, that ends on Nov 2. You can stay on Gemini 3.8 Flash for free, move to a paid plan, or try another free option from our free AI coding tools list.
FAQ
Is Claude still free in Google Antigravity?
Until November 2, 2026. Google removes Claude Sonnet 4.6 and Claude Opus 4.6 from the free plan that day.
What do Antigravity free users keep?
Gemini 3.8 Flash as the agent model, unlimited Tab completions, all product features and a quota refreshed weekly.
How big is the Antigravity free quota?
Google publishes no exact number. It says the free quota is refreshed weekly, has a weekly rate limit, and depends on how much work the agent does.
Does a Google AI Pro trial include Claude 5.5 in Antigravity?
No. Claude Sonnet 5.5 and Opus 5.5 are available on Google AI Pro for non-trial subscriptions only, and on Ultra and Enterprise.
All prices come from official pricing pages and match our live tracker. Some links are affiliate links (disclosure).