xAI AI Updates: August 13, 2026

1. xAI Releases Grok 4.6 With a Focus on Long-Running Agents

xAI. xAI released Grok 4.6, which builds on Grok 4.5 with a focus on long-running agents and more ambitious interactive and visual work, and reports improved self-testing and verification across multi-step research, coding, and creative tasks. The model matches GPT-5.6 Sol on the Artificial Analysis Intelligence Index with a score of 61 and posts benchmark results including 69.9% on CursorBench 3.2 and 65.9% on DeepSWE 1.1. Pricing starts at $2 per million input tokens and $6 per million output tokens, with availability through the API console, Cursor, Grok Build, and partners including OpenRouter, Vercel, and Cloudflare. Source