xAI Models
Real-time knowledge • Grok personality
7 Models
Latest: Grok 4.1
Grok 4.1
Released November 2025
xAI's enhanced model focusing on personality refinement and real-world usability improvements
Parameters
Not publicly disclosed
Context
2,000,000 tokens
Key Features
Enhanced Personality Real-world Usability 2M Context Window
+1 more
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Grok-4
Released July 2025
World's most intelligent model with native tool use and real-time search
Parameters
~2.4 trillion (estimated)
Context
256,000 tokens
Key Features
Native Tool Use Real-time Search Code Interpreter
+1 more
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Grok-3
Released February 2025
xAI's advanced model trained with 10x more compute than Grok-2
Parameters
~500 billion
Context
1,000,000 tokens
Key Features
Enhanced Reasoning Real-time Data Think Mode
+1 more
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Grok-2 mini
Released 2024-08-15
xAI's efficient smaller model with real-time capabilities
Parameters
~30 billion
Context
128,000 tokens
Key Features
Real-time Data Efficient Fast Response
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Grok-2
Released 2024-08-01
xAI's most advanced model with real-time information access
Parameters
~314 billion
Context
128,000 tokens
Key Features
Real-time Data X Integration Conversational
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Grok-1.5
Released 2024-03-01
Enhanced version of Grok with improved reasoning capabilities
Parameters
~314 billion
Context
16,000 tokens
Key Features
Real-time Data Enhanced Reasoning Long Context
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Grok-1
Released 2023-11-01
xAI's debut model with unique personality and real-time access
Parameters
~314 billion
Context
8,192 tokens
Key Features
Real-time Data Unique Personality X Integration
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