capital · May 18, 2026
xAI Unveils Grok Build Agentic AI Coding Tool to Compete with OpenAI and Anthropic
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xAI released Grok Build on May 15, 2026 as a CLI-based coding agent for multi-step workflows in professional software engineering. The tool offers plan mode for developers to review and approve logical plans before code changes and is available only to SuperGrok Heavy subscribers at $300 monthly. xAI partnered with Cursor for collaboration on the Colossus supercomputer following the February 2026 SpaceX acquisition that formed SpaceXAI. Executives urged staff to match Claude performance amid ongoing structural overhaul after high-profile departures.
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