grok-4-20-reasoning Preview

Name: grok-4-20-reasoning Preview
Author: Azure AI Foundry

reasoning

Capabilities

Show unsupported (5)

Reasoning & Interaction

Reasoning

Tool Calling

Infrastructure

Streaming

Model IDgrok-4-20-reasoning

CreatorxAI

License—

Status—

Typereasoning

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-4-20-reasoning

grok-4-20-reasoning

Changes · 2 entries

grok-4-20-reasoningupdate6231fb5Apr 22, 2026, 02:50 AM

namegrok-4-20-reasoning→grok-4-20-reasoning Preview

grok-4-20-reasoningcreate5c578c7Apr 8, 2026, 03:30 PM