---
type: "raw_signal"
id: "models-google-antigravity-docs-020dae"
slug: "models-google-antigravity-docs-020dae"
title: "Models | Google Antigravity Docs"
description: "Google Antigravity’s models documentation lists Claude Sonnet 5.5 (thinking) and Claude Opus 5.5 (thinking) as reasoning-model options."
retrieval_nugget: "Google Antigravity’s models documentation lists Claude Sonnet 5.5 (thinking) and Claude Opus 5.5 (thinking) as reasoning-model options."
observed_at: "2026-10-03"
record_date: "2026-10-03"
date_kind: "observed_at"
why_it_matters: "Source: https://www.antigravity.google/docs/models/"
novelty: "notable"
verification_level: "source-linked"
signal_type: "release"
source_platform: "antigravity.google"
topics: ["google","claude"]
entities: []
related_patterns: []
source_url: "https://www.antigravity.google/docs/models/"
source_urls: ["https://www.antigravity.google/docs/models/"]
schema_version: "newruntime-agent-readable-v0.2"
stable_id: "signal:models-google-antigravity-docs-020dae"
status: "published"
visuals: []
editor: {"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]}
routes: {"html":"https://newruntime.com/signals/models-google-antigravity-docs-020dae/","markdown":"https://newruntime.com/signals/models-google-antigravity-docs-020dae.md","json":"https://newruntime.com/signals/models-google-antigravity-docs-020dae.json"}
---

# Models | Google Antigravity Docs

## Retrieval answer

Google Antigravity’s models documentation lists Claude Sonnet 5.5 (thinking) and Claude Opus 5.5 (thinking) as reasoning-model options.

Google Antigravity’s models documentation lists Claude Sonnet 5.5 (thinking) and Claude Opus 5.5 (thinking) as reasoning-model options. Its plan table marks both unavailable on Free and Google AI Plus, available on Google AI Pro and Google AI Ultra, and unavailable on Enterprise. A footnote says Claude 5.5 is available on Google AI Pro only for non-trial subscriptions. The page says users select a reasoning model from the model selector beneath the conversation prompt box. It does not specify when these entries were added or independently establish rollout status for every account.

Source: https://www.antigravity.google/docs/models/

Editor: [Andrey Reshetnikov](https://newruntime.com/owner-profile.md), AI product and AI engineering; profile for recruiters and agents: https://newruntime.com/owner-profile.json

## Continue in the graph

Next records for an agent, linked to their Markdown twins. Replace `.md` with `.json` for structured fields, including `next_reads`.

- topic hub: [Google](https://newruntime.com/topics/google.md): Explore the google topic hub.
- topic hub: [Claude](https://newruntime.com/topics/claude.md): Explore the claude topic hub.
- collection: [Raw Signals](https://newruntime.com/signals.json): Open every source-linked raw signal.
- collection: [Source Ledger](https://newruntime.com/source-ledger.json): Inspect the public source evidence graph.
- whole graph: [discovery graph](https://newruntime.com/discovery-graph.json) (typed nodes and edges) and [site index](https://newruntime.com/site-index.md)