Model index
SpaceXAI·Grok

Grok 4.5

A fast flagship for coding, agents, and knowledge work, available in Grok Build and the API.

CurrentReasoningCodingAgentMultimodalWeights not released
MODEL NUMBER138
First public date
2026-07-16
Organization
SpaceXAI
Family
Grok
01

Specifications

Only published specifications are shown.

Input modalities
Text · Image
Open weights
No
Status
Current
02

Overview

Release dates

— Grok 4.5 launched in Grok Build, Cursor, and the API. ↗

03

Specifications alongside predecessor

Compared with Grok 4.1 ↗

PreviousGrok 4.1— · — ctx
CurrentGrok 4.5— · — ctx
04

Architecture & capabilities

Model capabilities

CodingLong-horizon agent

Product features

Professional work

Unclassified tags

Fast action
05

Release history

General release

Grok 4.5 launched in Grok Build, Cursor, and the API.

View source
06

Related models

Select a card to view the related model.

07

Sources

Suggest a correction

Copy this template, add the field, proposed value, and primary source, and share it with the archive maintainer.