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Grok 4.20

GrokCurrent
byxAIxAI(ai lab)
Released March 31, 2026
API DocsPlayground
70
OpenTools Scorenormalized /100
17.4
Valuescore / $M
OpenTools Score
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

Tags

multimodallong-context

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

Pricing Calculator

Input cost$2.00
Output cost$3.00
Estimated monthly cost$5.00

Cache read: $0.2000/M tokens

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1 Tools4 ModelsFounded 2023Palo Alto, California
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AI Models by xAI

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ModelContext WindowPrice (In / Out per M)
Grok 4.20 Multi-AgentCurrent2.0M$2.00 / $6.00
Grok 4.1 FastCurrent2.0M$0.20 / $0.50
Grok 4 FastCurrent2.0M$0.20 / $0.50

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