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Grok 4.20

Multimodalby xAI·Model page

xAI's Grok 4.20 multimodal model with a 2M-token context for text, image, and document tasks.

Max output

Most tokens the model can return in a single response.

1.8Mtokens
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Design Arena

Design Arena ranks models on real-world front-end and design tasks — websites, UI components, data viz, SVG and more — through head-to-head human votes, scored as an ELO rating.
CategoryELOWin rateRank
Website124352.0%#38
Code123852.1%#39
Data viz123652.2%#39
3D122552.5%#39
Game dev122151.0%#41

Pricing

per 1M tokens
Input$1.25 /1M
Output$2.5 /1M
Cache read$0.2 /1M
Web search$0.0050

Model Description

Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...

Author
X
xAI
Organization
x-ai
Details
Downloads
Likes
AccessClosed Source
Context2M tokens
Input price$1.25 /1M
Output price$2.5 /1M
Knowledge cutoffSep 1, 2025
CreatedMar 31, 2026
Updated
View on Hugging Face
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Grok 4.20 — AI Model Details | Applied