The release emphasizes stronger first passes on visual and interactive projects, sustained work across codebases, and continued refinement through feedback. xAI reports training with curated reasoning and technical data, an improved optimizer, supervised fine-tuning, and reinforcement learning.
Grok 4.6 is available in Grok Build and Cursor, making it useful for developers who want an agent that can research, implement, test, and iterate. xAI also describes expanded safeguard evaluation for coding, vulnerability patching, and AI research use cases.

