Version history

Every shipped version of this model. Click a marker to open its release page.

1 - Nov 411.5 - Mar 281.52 - Aug 13224 - Jul 9 4 Heavy - Jul 9 Expand to show separately2 releases4 Fast - Sep 194 Fast24.1 - Nov 17 4.1 Fast - Nov 19 Expand to show separately2 releases34.5 - Jul 8 4.6 - Aug 12 4.7 - Sep 21 Zoom in to separate3 releases2023 Q42024 Q12024 Q22024 Q32024 Q42025 Q12025 Q22025 Q32025 Q42026 Q12026 Q22026 Q32026 Q4

Grok

bySpaceXAI

SpaceXAI's frontier Grok model family for reasoning, coding, and real-time knowledge.

Latest version:4.7Released

All Versions

Grok 4.7

Released
Released on September 21, 2026

Grok 4.6

Released
Released on August 12, 2026

Grok 4.5

Released
Released on July 8, 2026

Grok 4.1 Fast

Released
Released on November 19, 2025

Grok 4.1

Released
Released on November 17, 2025

Grok 4 Fast

Released
Released on September 19, 2025

Grok 4

Released
Released on July 9, 2025

Grok 4 Heavy

Released
Released on July 9, 2025

Grok 2

Released
Released on August 13, 2024

Grok 1.5

Released
Released on March 28, 2024

Grok 1

Released
Released on November 4, 2023