Grok Build: xAI's Local-First Coding Agent with 8 Parallel Agents and Arena Mode — Complete Guide (April 2026)
xAI's Grok Build runs up to eight parallel AI agents simultaneously on a single prompt, evaluates outputs algorithmically via Arena Mode, and keeps all source code on-device. This guide covers the architecture, grok-code-fast-1 benchmarks, how it compares to Claude Code and Cursor, and how to get early access. Continue reading the full article on WowHow → Originally published at https://wowhow.cloud/blogs/grok-build-xai-local-first-parallel-agents-arena-mode-complete-guide-2026