grok-4.20-reasoning-beta

Name: grok-4.20-reasoning-beta
Author: Vercel AI Gateway

Context

Input price

$1.25/1M tokens

Output price

$2.5/1M tokens

Capabilities

Show unsupported (5)

Reasoning & Interaction

Reasoning

Tool Calling

Infrastructure

Streaming

Details

Model IDspacexai/grok-4.20-reasoning-beta

ProviderVercel AI Gateway

Creatorspacexai

Familygrok-4.20

License—

Status—

Typechat

Input modalitiestext, image

Output modalitiestext

Open weight—

Parameters—

Architecture—

Context window2M tokens

Max input—

Max output—

Reasoning tokens—

Knowledge cutoff—

Release date—

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Pricing

Input

$1.25

Output

$2.5

Cache write

—

Cache read

—

Batch in

—

Batch out

—

Family Comparison: grok-4.20

Model	Caps	Perf	Speed	Context	Max out	Pricing
grok-4.20-multi-agent-beta	RTS	—	—	2M	—	$1.25$2.5
grok-4.20-multi-agent	RTS	—	—	2M	—	$1.25$2.5
grok-4.20-non-reasoning-beta	TS	—	—	2M	—	$1.25$2.5
grok-4.20-non-reasoning	TS	—	—	2M	—	$1.25$2.5
grok-4.20-reasoning-beta	RTS	—	—	2M	—	$1.25$2.5
grok-4.20-reasoning	RTS	—	—	2M	—	$1.25$2.5
grok-4.20-multi-agent-beta	RTS	—	—	2M	—	$1.25$2.5
grok-4.20-multi-agent	RTS	—	—	2M	—	$1.25$2.5
grok-4.20-non-reasoning-beta	TS	—	—	2M	—	$1.25$2.5
grok-4.20-non-reasoning	TS	—	—	2M	—	$1.25$2.5
grok-4.20-reasoning-beta	RTS	—	—	2M	—	$1.25$2.5
grok-4.20-reasoning	RTS	—	—	2M	—	$1.25$2.5

API

GET/v1/models/vercel/spacexai/grok-4.20-reasoning-beta

grok-4.20-reasoning-beta

spacexai/grok-4.20-reasoning-beta

Changes · 2 entries

spacexai/grok-4.20-reasoning-betacreateca7a400Nov 2, 2026, 03:02 AM

spacexai/grok-4.20-reasoning-betacreatee3d7dedAug 31, 2026, 04:13 AM