Grok 4.5

SpaceXAI's intelligent coding model for agentic software, engineering, and workflow tasks. Trained in SpaceXAI's data centers in Memphis with new datasets spanning science, engineering, and math.

At a glance

• Modalities: text, image → text
• Context window: 500,000 tokens
• Model name: grok-4.5
• Aliases: grok-4.5-latest, grok-build-latest

Capabilities

• Function calling: Yes
• Structured outputs: Yes
• Reasoning: Yes

Pricing

Type	< 200k prompt tokens (per 1M tokens)	≥ 200k prompt tokens (per 1M tokens)
Input	$2.00	$4.00
Cached input	$0.50	$1.00
Output	$6.00	$12.00

Requests whose prompt reaches 200k tokens are billed at the higher rate for all tokens in the request.

Rate limits

Limit	Value
Requests per second	150
Tokens per minute	50,000,000

Regions

Available in: us-east-1, us-west-2