xAI: Grok 4 Fast Reasoning

Model:

x-ai/grok-4-fast-reasoning

Max words:

1047576

Cost:

8

per

100

words.

Capabilities:

Features:

Other features:

This model has been deprecated and it is no longer available to use.

xAI: Grok 4 Fast Reasoning Specialities

• Math and logic
• Coding

xAI: Grok 4 Fast Reasoning Main Advantages

• Can handle massive documents
• Long conversations

xAI: Grok 4 Fast Reasoning Model Limitations

• While it can process up to 1 million tokens, its precision decreases as the context gets longer.