Open model
Grok 4
131.1K ctx
Reasoning
Vision
xAI's flagship model. Strong reasoning with real-time knowledge via X platform integration.
Open model
Grok 4 Fast (Reasoning)
131.1K ctx
Reasoning
Fast reasoning variant of Grok 4. Optimized for speed while maintaining reasoning capabilities.
Open model
Grok 4.1 Fast (Reasoning)
131.1K ctx
Reasoning
Updated fast reasoning model with improved performance and cached input support.
Open model
Grok Code Fast 1
131.1K ctx
Specialized coding model from xAI. Optimized for code generation, review, and debugging.
Open model
Grok 2
General-purpose Grok model for chat and tools.
Open model
Grok 2 Mini
Compact Grok model for high-throughput use.
Open model
Grok 3
Frontier Grok model for reasoning and chat.
Open model
Grok 3 Mini
Smaller Grok model for fast responses.
Open model
Grok Fast
Fast, cost-efficient Grok variant for lightweight tasks.
