Grok 4.5

Name: Grok 4.5
Author: Cursor

Intelligence

Speed

Context

256K

Input price

$2/1M tokens

Output price

$6/1M tokens

Capabilities

Show unsupported (5)

Reasoning & Interaction

Reasoning

Tool Calling

Infrastructure

Streaming

Details

Model IDgrok-4.5

ProviderCursor

Creatorcursor

Familygrok-4.5

License—

Status—

Typechat

Input modalitiestext

Output modalitiestext

Open weight—

Parameters—

Architecture—

Context window256K tokens

Max input—

Max output—

Reasoning tokens—

Knowledge cutoff—

Release date—

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Pricing

Input

Output

Cache write

—

Cache read

$0.5

Batch in

—

Batch out

—

Jointly trained by Cursor and SpaceXAI

Family Comparison: grok-4.5

Model	Caps	Perf	Speed	Context	Max out	Pricing
Grok 4.5	RTS			256K	—	$2$6
Grok 4.5 (Fast)	RS	—	—	—	—	$4$18

API

GET/v1/models/cursor/grok-4.5

Grok 4.5

grok-4.5

Changes · 3 entries

grok-4.5createca7a400Nov 2, 2026, 03:02 AM

grok-4.5update49ce653Oct 19, 2026, 06:45 AM

page_urlhttps://cursor.com/docs/models-and-pricing#grok-4-5→https://cursor.com/docs/models-and-pricing#grok-4.5

grok-4.5create3cddff5Aug 13, 2026, 02:54 AM