grok-4

Name: grok-4
Author: Azure AI Foundry

Capabilities

Show unsupported (6)

Reasoning & Interaction

Tool Calling

Infrastructure

Streaming

CreatorxAI

License—

Status—

Typechat

Input modalitiestext

Output modalitiestext

Open weight—

Parameters—

Architecture—

Context window—

Max input—

Max output—

Reasoning tokens—

Knowledge cutoff—

Release date—

Sourceofficial

Function Callingfunction_calling

Call external functions and APIs

Model	Caps	Perf	Speed	Context	Max out
grok-4-20-non-reasoning Preview	RTS	—	—	—	—
grok-4-20-reasoning Preview	RTS	—	—	—	—
grok-4-fast-non-reasoning Preview	RTJJMSB	—	—	2M	—
grok-4-fast-reasoning Preview	RTJJMSB	—	—	2M	—
grok-4	TS	—	—	—	—

GET/v1/models/azure/grok-4