Grok 4.20

Name: Grok 4.20
Author: xAI

GrokCurrent

xAI(ai lab)

Released March 31, 2026

Run this model yourself API Docs Playground

Context2M tokens

Price (In / Out)$2.00/M / $6.00/M

CategoryMultimodal LLM

About Grok 4.20

Grok 4.20 is a multimodal llm from xAI. Supports up to 2,000,000 token context window. Available from $2.00/M input tokens.

Capabilities

textvisioncode

Input Modalities

textimagefile

Output Modalities

text

Technical Details

API Identifier: x-ai/grok-4.20
Category: Multimodal LLM
Context Window: 2,000,000 tokens

Run this model yourself

Local and cloud setup for Grok 4.20, with exact configurations, sources and clear evidence limits.

Find a model for your hardware

No reviewed setup guide is available for this model yet. Explore configurations with documented support in the hardware finder.

Benchmarks

Performance scores for Grok 4.20 across standard benchmarks.

GPQA DiamondArtificial Analysis

91.1%

Pricing

Token pricing for Grok 4.20 API usage.

Input Tokens

$2.00/M

per million tokens

Output Tokens

$6.00/M

per million tokens

Cache read: $0.2000/M tokens

xAIai lab

Understand the Universe

3 Tools5 ModelsFounded 2023Palo Alto, California

View full profile

3 Tools·5 Models

Tools by xAI

Other AI tools from the same organization.

Grok xAI

Conversational AI

Grok by xAI: Advanced Conversational AI with Multimodal Capabilities

Grok

AI Assistant

Explore Career Opportunities and Advanced AI Solutions at xAI

grok-build

Developer Tools

grok-build - Local activity recorder for AI agents

AI Models by xAI

AI models from the same organization.

Model	Context Window	Price (In / Out per M)	Capabilities
Grok 4.7Current	500K	$2.00 / $6.00	codingreasoningvisiontool use+3
Grok 4.20 Multi-AgentCurrent	2.0M	$2.00 / $6.00	textvisioncode
Grok 4.1 FastDeprecated	2.0M	Deprecated	textvisioncode
Grok 4 FastDeprecated	2.0M	Deprecated	textvisioncode