> ## Documentation Index
> Fetch the complete documentation index at: https://docs.timbal.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# xAI

> Grok 4.5 and Grok 4.3 models with specs, pricing, and capabilities

<Note>Source: [xAI model docs](https://docs.x.ai/docs/models). Search includes Web Search and X Search, priced at \$2.50-\$5/1K calls. Cached input: \$0.05/1M.</Note>

## Grok 4.5

<CardGroup cols={2}>
  <Card title="grok-4.5">
    <Icon icon="lightbulb" size={14} /> <Icon icon="lightbulb" size={14} /> <Icon icon="lightbulb" size={14} /> <Icon icon="lightbulb" size={14} /> <Icon icon="lightbulb" size={14} /> Reasoning · <Icon icon="bolt" size={14} /> <Icon icon="bolt" size={14} /> <Icon icon="bolt" size={14} /> Speed

    `xai/grok-4.5`

    xAI's July 2026 flagship for coding, agentic tool use, and knowledge work. Configurable reasoning effort (low / medium / high).

    * \$2 / \$6 (\$4 / \$12 above 200K prompt tokens)
    * <Icon icon="window-maximize" size={14} /> 500K context
    * <Icon icon="keyboard" size={14} /> Text, Image input
    * <Icon icon="brain" size={14} /> Configurable reasoning
    * <Icon icon="globe" size={14} /> Web search
  </Card>
</CardGroup>

***

## Grok 4.3

<CardGroup cols={2}>
  <Card title="grok-4.3">
    <Icon icon="lightbulb" size={14} /> <Icon icon="lightbulb" size={14} /> <Icon icon="lightbulb" size={14} /> <Icon icon="lightbulb" size={14} /> Reasoning · <Icon icon="bolt" size={14} /> <Icon icon="bolt" size={14} /> <Icon icon="bolt" size={14} /> Speed

    `xai/grok-4.3`

    Production mid-tier for coding, agents, and general workloads. Replacement for the retired Grok 4 Fast / 4.1 Fast slugs (removed May 15, 2026).

    * \$1.25 / \$2.50
    * <Icon icon="window-maximize" size={14} /> 1M context
    * <Icon icon="keyboard" size={14} /> Text, Image input
    * <Icon icon="brain" size={14} /> Reasoning
    * <Icon icon="globe" size={14} /> Web search
  </Card>
</CardGroup>