grok-4.5

Context

500K

Input price

$2/1M tokens

Output price

$6/1M tokens

Capabilities

Show unsupported (5)

Reasoning & Interaction

Reasoning

Tool Calling

Infrastructure

Streaming

Details

Model IDspacexai/grok-4.5

ProviderVercel AI Gateway

Creatorspacexai

License—

Status—

Typechat

Input modalitiestext, image

Output modalitiestext

Open weight—

Parameters—

Architecture—

Context window500K tokens

Max input—

Max output—

Reasoning tokens—

Knowledge cutoff—

Release date—

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Pricing

Input

$2

Output

$6

Cache write

—

Cache read

—

Batch in

—

Batch out

—

Family Comparison: grok-4.5

Model	Caps	Perf	Speed	Context	Max out	Pricing
grok-4.5	RTS	—	—	500K	—	$2$6
grok-4.5	RTJJMSB	—	—	500K	—	$2$6

API

GET/v1/models/vercel/spacexai/grok-4.5