--- title: "Muse Code vs Antigravity: What Differs in 2026" url: https://helicon.sh/compare/antigravity description: "Muse Code vs the Google Antigravity IDE on price, platforms, editor and review. Helicon is a free Muse Code client, so this page says which fits your work." updated: 2026-10-20 site: Helicon --- # Muse Code vs Antigravity Helicon does not run its own agent. It is a free, MIT licensed client for Meta's Muse Code CLI, so the real choice is Muse Code, in Helicon or a terminal, against Google's Antigravity IDE. Choose Antigravity if you want an editor with an agent built in. Choose Muse Code if you already pay for it and want its sessions in a window. ## At a glance | | Helicon | Antigravity | Checked | | --- | --- | --- | --- | | Who ships it | Community, unofficial, not affiliated with Meta | Google | [20 October 2026](https://antigravity.google/) | | License | MIT | Not stated on the pages checked | | | Price | Free. Needs your own Muse Code plan, or pay-as-you-go billing on Meta's Model API | Available at no charge for developers | [20 October 2026](https://antigravity.google/) | | Platforms | Windows, macOS, Linux, the web and a VS Code extension | macOS, Windows, Linux and Googlebook | [20 October 2026](https://antigravity.google/download) | | Editor | Session window with inline diffs and a file viewer | Full IDE with a code editor and tab autocompletion | [20 October 2026](https://antigravity.google/product/antigravity-ide) | | Review of agent work | Inline diffs and approvals | Artifacts, so you manage higher level tasks rather than single tool calls | [20 October 2026](https://antigravity.google/product/antigravity-ide) | | Terminal | Runs on the muse CLI from Meta | Separate Antigravity CLI, installed by script | [20 October 2026](https://antigravity.google/download) | _Helicon compared with the Google Antigravity IDE. The Checked column links the docs or changelog page behind each sourced row._ ## What each one is This page compares the Antigravity IDE. Google describes Antigravity as its agentic development platform, and the IDE is a fully featured AI-powered editor with tab autocompletion, commands and agents. Google also ships an Antigravity App, a separate Antigravity CLI and an SDK. This page does not compare those. Muse Code is Meta's coding CLI. Helicon is a free, MIT licensed desktop and web client for it. It is community built and not affiliated with Meta. Helicon uses your own muse login and your own Muse Code subscription, and it is not a separate agent. ## Where they actually differ ### Editor or session window Antigravity is an IDE with a code editor. Helicon is a window for Muse Code sessions. It shows the files an agent touched in a viewer beside the conversation. ### Where the agent works In Antigravity, the agent works across the editor, terminal and browser. Helicon drives the Muse Code CLI in your project. ### Cost Helicon costs nothing. Your Muse Code subscription is the only bill. Google says Antigravity is available at no charge for developers. ### Openness Helicon is MIT licensed and its source is public. The Antigravity pages checked do not state a license. ## Choose the Google Antigravity IDE if - You want an editor and an agent in one Google app. - You want tab autocompletion while you type. - You do not have a Muse Code subscription. - You want the agent to work in a browser as well as the editor and terminal. ## Choose Helicon if - You already pay for Muse Code and want its sessions in a window. - You want approvals and inline diffs shown in each thread. - You want a free, MIT licensed client with no account. - You want one UI that also runs in a browser against a remote daemon. ## Can you use both? You can open both on the same project folder. Use the Antigravity editor for hand edits and Helicon for Muse Code threads, with their history and approvals. Helicon is one [Muse Code GUI](/muse-code-gui) of several, and that page lists the rest. [Helicon is free](/pricing) and MIT licensed, and you can [try Helicon in your browser](/try) on sample data before you install anything. ## Frequently asked questions ### Which Antigravity product does this page compare? The Antigravity IDE from Google. Google also ships an Antigravity App, a separate Antigravity CLI and an SDK. This page does not cover those. ### Is Antigravity free? Google says Antigravity is available at no charge for developers. Check Google's own pricing for current limits. ### Does Helicon replace the muse CLI? No. Helicon requires the muse CLI, signed in with your own muse login. It drives the CLI and does not replace it. ### Is Helicon official? No. It is an unofficial community project, MIT licensed, and not made, sponsored or endorsed by Meta. ## Related - [Muse Code GUI](https://helicon.sh/muse-code-gui): Yes, Muse Code has graphical interfaces. A standalone desktop and web app, VS Code extensions, ACP editor bridges and other open-source wrappers, compared honestly. - [Grok Build](https://helicon.sh/compare/grok-build): Muse Code vs Grok Build, xAI's terminal coding agent. Helicon is a free Muse Code client, so this page says what differs and which one fits your work. - [Other Muse GUIs](https://helicon.sh/compare/other-muse-code-guis): An honest look at the small field of Muse Code GUI wrappers, what separates them, and the specific things to check before trusting any client with shell access. - [The muse terminal](https://helicon.sh/compare/muse-code-terminal): How a Muse Code GUI differs from the muse CLI terminal interface: session history, inline diffs, approvals and cost, side by side with what the TUI already does well. - [VS Code extensions](https://helicon.sh/compare/vs-code-extension): A standalone Muse Code desktop app compared with running the muse CLI inside VS Code: where an editor panel wins, where a separate session home wins, and how to run both. - [Zed with ACP](https://helicon.sh/compare/zed-acp): Running Muse Code inside Zed through an Agent Client Protocol bridge, compared with a standalone Muse Code desktop app. Editor native versus session native. --- Helicon is a free, MIT licensed, unofficial community client for Meta's Muse Code CLI. Not made, sponsored or endorsed by Meta. Source: https://helicon.sh/. Machine readable index: https://helicon.sh/llms.txt