grok-4.5

Context
500K
Input price
$2/1M tokens
Output price
$6/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Infrastructure
Streaming

Details

Model IDspacexai/grok-4.5
Provider Vercel AI Gateway
Creator spacexai
Familygrok-4.5
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

ModelContextMax outPricing
grok-4.5500K—$2$6
grok-4.5500K—$2$6

API

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

grok-4.5

spacexai/grok-4.5
Changes · 2 entries
spacexai/grok-4.5createca7a400Nov 2, 2026, 03:02 AM
spacexai/grok-4.5createe3d7dedAug 31, 2026, 04:13 AM