xAI's Grok Build is a terminal-based AI coding assistant that supports mouse clicks for navigation but requires an external editor like Visual Studio Code for direct code edits, unlike rivals such as Google's Antigravity that bundle a full IDE. Users can prompt it to explain a codebase, install dependencies, run a web app, or build one from scratch and get deployment guidance, then iterate with further prompts. Access depends on a Grok plan, with free users hitting token limits quickly and paid SuperGrok tiers ($30 to $300 monthly) offering higher weekly caps.
Google's new Antigravity coding assistant carries terms of service stating that using it through unauthorized third-party integrations may lead to suspension of a user's Google account. A Google representative pushed back publicly on claims mischaracterizing the policy, saying critics were misrepresenting how it actually works and noting internal discussions about eventually allowing the harness and subscription to work with other surfaces.
Google has introduced a new slash command, /boost, in Antigravity 2.0 and the Antigravity CLI that triggers a multi-agent reasoning pipeline for difficult coding problems like race conditions, complex refactors, and subtle bugs. The feature works through a three-phase process where an orchestrator agent breaks down the problem and dispatches specialized subagents to isolated workstreams, then verifies results across multiple rounds. The command is restricted to paid plan subscribers.
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