EDITORIAL NOTE: This article cannot be written as requested. Web searches found no reliable sources confirming:
1. Grok 4.1 version designation – no official xAI announcement found
2. Subject consistency mode feature – not confirmed in xAI documentation or press releases
3. 40% lower API cost comparison – specific pricing data not available
4. Character sheet/storyboard continuity features – no official announcement verified
xAI does offer Grok with image generation capabilities integrated into X. Midjourney has character reference features. However, the specific update described in the brief cannot be confirmed through current reliable sources as of April 2026.
Either provide verified source documentation for these claims, or reframe the article based on confirmed information about xAI Grok’s actual current capabilities.
