Grok

Release history (10)

1. Grok-imagine-video-1.5

   previewJun 9, 2026
   grok-imagine-video-1.5-preview

   Image-to-video preview on xAI API.

2. Grok Build 0.1

   previewJun 1, 2026
   grok-build-0.1

   Coding model, public beta on xAI API.

3. Grok 4.3

   Current stableCutting edgestableMay 19, 2026
   grok-4-3

   Current stable on web/iOS/Android, plus Hermes and OpenClaw availability.

4. Grok-4

   stableJul 9, 2025
   grok-4

   Frontier reasoning.

5. Grok-4 Heavy

   stableJul 9, 2025
   grok-4-heavy

   Multi-agent Grok-4.

6. Grok-3

   deprecatedFeb 17, 2025
   grok-3

   Gen-3 with Think mode.

7. Grok-2

   deprecatedAug 13, 2024
   grok-2

   Gen-2 Grok.

8. Grok-1.5

   deprecatedMar 28, 2024
   grok-1.5

   Long-context Grok.

9. Grok-1

   deprecatedNov 4, 2023
   grok-1

   Original Grok.

10. Grok-5

    unconfirmed—
    grok-5

    Current frontier xAI model. [Flagged: pre-release at time of seed; confirm before publishing.]