product · May 21, 2026
xAI Launches Grok Build 0.1 Coding Agent with 256K Context Window
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xAI released Grok Build 0.1, an agentic coding model available initially to SuperGrok Heavy subscribers at $300 per month. The tool supports multi-step code implementation, file execution, automated testing, and self-correction loops. It includes 256K context length, 64K output tokens, function calling, structured outputs, and vision capabilities. Elon Musk publicly requested community feedback to improve the model on May 18, 2026.
Below validation threshold — auto-passed without scoring