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 NUMBER088

Specifications

Only published specifications are shown.

Input modalities

Text · Image

Open weights

Status

Current

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

Compared with Grok 4.1 ↗

PreviousGrok 4.1— · — ctx

CurrentGrok 4.5— · — ctx

New capabilities Coding Long-horizon agent Professional work Fast action

CodingLong-horizon agentProfessional workFast action

2026-07-16General release

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

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