All Models

xAI AI Models

Elon Musk's AI company building Grok. Trained on real-time data with a focus on truthfulness and wit.

Founded 2023Austin, TX8 Models Website →
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Grok 4.1 Fast

xAI

Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window.

Context2.0M
Speed43 tok/s
InputText, Image
OutputText
ReasoningYes
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Grok 4 Fast

xAI

Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window.

Context2.0M
Speed149 tok/s
InputText, Image
OutputText
ReasoningYes
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Grok Code Fast 1

xAI

Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding.

Context256K
Speed322 tok/s
InputText
OutputText
ReasoningYes
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Grok 3 Mini

xAI

A lightweight model that thinks before responding.

Context131K
Speed193 tok/s
InputText
OutputText
ReasoningYes
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Grok 4

xAI

Grok 4 is xAI's latest reasoning model with a 256k context window.

Context256K
SpeedN/A
InputImage, Text
OutputText
ReasoningYes
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Grok 3

xAI

Grok 3 is the latest model from xAI.

Context131K
SpeedN/A
InputText
OutputText
ReasoningNo
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Grok 3 Mini Beta

xAI

Grok 3 Mini is a lightweight, smaller thinking model.

Context131K
Speed68 tok/s
InputText
OutputText
ReasoningYes
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Grok 3 Beta

xAI

Grok 3 is the latest model from xAI.

Context131K
SpeedN/A
InputText
OutputText
ReasoningNo