SpaceXAI: Grok 4.20 Multi-Agent

proprietary

Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows.

Context
2M
Max output
1.8M
Input price
$1.25/1M tokens
Output price
$2.5/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Output Control
Structured Output
JSON Mode

Details

Model IDx-ai/grok-4.20-multi-agent
Provider OpenRouter
Creator xAI
Familygrok-4.20
Licenseproprietary
Status—
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window2M tokens
Max input—
Max output1.8M tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Pricing

Input
$1.25
Output
$2.5
Cache write
—
Cache read
$0.2
Batch in
—
Batch out
—

Family Comparison: grok-4.20

ModelContextMax outPricing
SpaceXAI: Grok 4.20 Multi-Agent2M1.8M$1.25$2.5
SpaceXAI: Grok 4.202M1.8M$1.25$2.5
xAI: Grok 4.20 Beta2M—$2$6
xAI: Grok 4.20 Multi-Agent Beta2M—$2$6

API

GET/v1/models/openrouter/x-ai/grok-4.20-multi-agent

SpaceXAI: Grok 4.20 Multi-Agent

x-ai/grok-4.20-multi-agent

Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows.

Changes · 5 entries
x-ai/grok-4.20-multi-agentupdateca7a400Nov 2, 2026, 03:02 AM
namexAI: Grok 4.20 Multi-Agent→SpaceXAI: Grok 4.20 Multi-Agent
descriptionGrok 4.20 Multi-Agent is a variant of xAI’s Grok 4.20 des...→Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.2...
pricinginput$2→$1.25output$6→$2.5
max_output_tokens1800000
x-ai/grok-4.20-multi-agentupdatee3d7dedAug 31, 2026, 04:13 AM
max_output_tokens1800000
x-ai/grok-4.20-multi-agentupdate19c9fe3Aug 5, 2026, 03:04 PM
namexAI: Grok 4.20 Multi-Agent→SpaceXAI: Grok 4.20 Multi-Agent
descriptionGrok 4.20 Multi-Agent is a variant of xAI’s Grok 4.20 des...→Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.2...
x-ai/grok-4.20-multi-agentupdateab879c8Jun 18, 2026, 08:32 AM
pricinginput$2→$1.25output$6→$2.5
x-ai/grok-4.20-multi-agentcreate22fb110Apr 1, 2026, 10:05 AM