xAI Models
Real-time knowledge • Grok personality
6 Models
Latest: Grok-4
Grok-4
Released July 2025
xAI's most advanced model with multi-agent architecture and breakthrough reasoning
Parameters
~2.4 trillion (estimated)
Context
1,000,000 tokens
Key Features
Multi-agent Architecture Native Tool Use Real-time Search
+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 DeepSearch
+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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