AI Model Release Tracker - Timeline of Major AI Models from 2022-2026
AI Model Release Tracker
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xAI
Models
10
First release
Nov 3 2023
(Grok‑1)
Latest release
Nov 19 2025
(Grok 4.1 Fast)
Active years
3
All Releases
2025
7 releases
Grok 4.1 Fast
Nov 19
Grok 4.1
Nov 17
Grok 4 Fast
Sep 1
Grok Code Fast 1
Aug 28
Grok 2.5
Aug 1
Grok 4
Jul 9
Grok 3
Feb 17
2024
2 releases
Grok‑2
Aug 14
Grok‑1.5
Mar 29
2023
1 release
Grok‑1
Nov 3
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