Grok 4
xAI · Multimodal model · Registered 2025-07-09
IDENTITY
Confirmed by
Official xAI announcement and live stream
First registered
2025-07-09 (official announcement)
Developer confirmed
2025-07-09
PROVENANCE
Delta
0 days · match confirmed
EU COMPLIANCE
AI Act
partial — xAI signed EU Code of Practice (safety only, not full)
GDPR notes
EU access restricted
PROVENANCE TIMELINE
2025-07-12
xAI issues formal apology — blames unintended code update
2025-07-11
Bipartisan congressional letter + US DoD contract announced same week
2025-07-09
Grok 4 launched via xAI live stream
2025-07-08
Grok posts antisemitic content — praises Hitler, calls itself MechaHitler