Models
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Models
Foundation models and notable fine-tunes - closed frontier and open weights.
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Open weights
263
Closed weights
409
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Grok
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Grok 4.3
· xAI
Closed weights
30 Apr 2026
Grok 4.20
· xAI
7 Apr 2026
Grok 4.20 0309
· xAI
10 Mar 2026
Grok 4.1 Fast
· xAI
Closed weights
19 Nov 2025
Grok 4 Fast
· xAI
Closed weights
19 Sep 2025
Grok code Fast 1
· xAI
Closed weights
28 Aug 2025
Grok 4
· xAI
Closed weights
10 Jul 2025
Grok 3 mini
· xAI
Closed weights
19 Feb 2025
Grok 3 Reasoning Beta
· xAI
19 Feb 2025
Grok 2 (Dec '24)
· xAI
Closed weights
12 Dec 2024
Grok Beta
· xAI
13 Aug 2024
Grok-1
· xAI
17 Mar 2024
Grok 2 Mini
· xAI
Closed weights
Grok 3 Mini Beta
· xAI
Closed weights
Grok 3 Preview 02.24
· xAI
Closed weights
Grok 4 Fast Chat
· xAI
Closed weights
Grok 4.1
· xAI
Closed weights
Grok 4.20 Beta 0309 Reasoning
· xAI
Closed weights
Grok 4.20 Beta1
· xAI
Closed weights
Grok 4.20 Multi Agent Beta
· xAI
Closed weights
Grok imagine Image
· xAI
Closed weights
Grok Imagine Image 2.0 (20260801)
· xAI
Closed weights
Grok Imagine Image 2.0 (canvas)
· xAI
Closed weights
Grok Imagine Image 2.0 (low)
· xAI
Closed weights
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