# 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.